Microchip Technology, Inc. Datasheets for IC Clocks

IC clocks are semiconductor integrated circuits (ICs) that are designed to keep time.
IC Clocks: Learn more

Product Name Notes
High-Bandwidth's SY89426 Multi-Output Phase Locked Loop (PLL) is a SONET compliant clock generator providing 622.08MHz, 155.52MHz and retimed reference clock outputs. The PLL produces low jitter OC-12/STS-12 and OC-3/STS-3 rate...
MX852BB0020 CMIC™ (clock management IC) is a member of the ClockWorks® FUSION family of devices that integrates the crystal, synthesizer and fanout buffers in a single 5mm x 7mm LGA...
MX852EB0027 CMIC™ (clock management IC) is a member of the ClockWorks® FUSION family of devices that integrates the crystal, synthesizer and fanout buffers in a single 5mm x 7mm LGA...
The DSA2311 is a crystal-less clock generator that is factory configurable to simultaneously output two separate frequencies from 2.3 to 170 MHz. The clock generator uses proven silicon MEMS technology...
The DSC557-03 is a crystal-less, two output PCI express clock generator meeting Gen1, Gen2, Gen3 and Gen4 specifications. The clock generator uses proven silicon MEMS technology to provide 100MHz differential...
The DSC557-04 is a Crystal-less™, three output PCI express clock generator meeting Gen1, Gen2, Gen3 and Gen4 specifications. The clock generator uses proven silicon MEMS technology to provide excellent jitter...
The DSC557-05 is a Crystal-less™, four output PCI express clock generator meeting Gen1, Gen2, Gen3 and Gen4 specifications. The clock generator uses proven silicon MEMS technology to provide excellent jitter...
The DSC612 family of devices is industry’s smallest MEMS clock generator that can replace up to two crystals and oscillators on a board, reducing timing component board space by up...
The DSC613 family of devices is industry’s smallest MEMS clock generator that can replace up to three crystals and oscillators on a board, reducing timing component board space by up...
The MCP79400 general purpose I2CTM Compatible real-time clock/calendar (RTCC) is highly integrated with memory and advanced features normally found in higher priced devices. These features include a battery switchover...
The MCP79401 general purpose I2CTM Compatible real-time clock/calendar (RTCC) is highly integrated with memory and advanced features normally found in higher priced devices. These features include a...
The MCP79402 general purpose I2CTM Compatible real-time clock/calendar (RTCC) is highly integrated with memory and advanced features normally found in higher priced devices. These features include a...
The MCP7940M I2CTM compatible real-time clock/calendar (RTCC) includes SRAM and a digital trimming circuit for accuracy which is normally found in higher priced devices. Using a low-cost...
The MCP7940N series of low-power Real-Time Clocks (RTC) uses digital timing compensation for an accurate clock/calendar, a programmable output control for versatility, and a power sense circuit that automatically switches...
The MCP79410 general purpose I2C™Compatible real-time clock/calendar (RTCC) is highly integrated with nonvolatile memory and advanced features normally found in higher priced devices. These features include a battery...
The MCP79411 general purpose I2C™Compatible real-time clock/calendar (RTCC) is highly integrated with nonvolatile memory and advanced features normally found in higher priced devices. These features include a battery...
The MCP79412 general purpose I2C™Compatible real-time clock/calendar (RTCC) is highly integrated with nonvolatile memory and advanced features normally found in higher priced devices. These features include a battery...
The MCP79510 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for...
The MCP79511 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for...
The MCP79512 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for...
The MCP79520 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for...
The MCP79521 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for...
The MCP79522 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for...
The MCP795W10 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for...
The MCP795W11 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for...
The MCP795W12 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for...
The MCP795W20 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for...
The MCP795W21 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for...
The MCP795W22 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for...
The MIC1555 IttyBitty® CMOS RC timer/oscillator and MIC1557 IttyBitty® CMOS RC oscillator are designed to provide rail-to-rail pulses for precise time delay or frequency generation.The devices are similar in function...
The MX85XXX family is an ultra-low jitter clocking solution that integrates the crystal, generator, and fanout buffer to reduce system bill of materials, simplify end system design, and improve total...
The PL602-03 is a low cost, high performance and low phase noise XO, providing less than -130dBc at 10kHz offset in the 48MHz to 100MHz operating range.The very low jitter...
The PL602-04 is a low cost, high performance and low phase noise XO, providing less than -125dBc at 10kHz offset in the 96MHz to 200MHz operating range.The very low jitter...
The PL602-37 (LVCMOS), PL602-38 (LVPECL), and PL602-39 (LVDS) are high performance and low phase noise XO IC chips. They provide phase noise performance as low as –127dBc at 10kHz offset...
The PL602-XX is the smallest, high performance, lowest power differential output clock IC available for HCSL timing applications. The PL602-XX offers -130dBc at 10kHz offset at 100MHz, with a very...
The PL60203X is the smallest, high performance, lowest power, 2 differential output clock IC available for HCSL timing applications. PL60203X offers -130dBc at 10kHz offset at 100MHz, with a very...
The PL602041 is a member of the ClockWorks™ family of devices from Micrel and provides an extremely low-noise timing solution for PCI Express clock signals.The device operates from a 3.3V...
The PL602081 and PL602082 are members of the PCI-Express family of devices from Micrel and provide an extremely low-noise timing solution for PCI-Express clock signals. They are based upon a...
The PL607041 is a member of the ClockWorks™ family of devices from Micrel and provides an extremely low-noise Spread-Spectrum clock for PCI-Express requirements.The device operates from a 3.3V or 2.5V...
The PL607081 and PL607082 are members of the PCI Express family of devices from Micrel and provide extremely low-noise spread-spectrum clocks for PCI Express requirements.The devices operate from a 3.3V...
The PL610 is a high performance general purpose clock that uses a single die to cover outputs up to 130MHz, eliminating the need for multiple ICs to cover a wide...
The PL611-01 is a low-cost general purpose frequency synthesizer and a member of Programmable Clock family. PL611-01 product family offers the versatility of using a single Crystal or Reference Clock...
The PL611-30 is a low-cost general purpose frequency synthesizer and a member of Programmable Clock family. PL611-30 product family can generate any output frequency up to 400MHz from fundamental crystal...
The PL611-31-xxx is a low-cost, general purpose frequency synthesizer and a member of Micrel’s factoryprogrammable Quick Turn Clock (QTC) family. The PL611-31-xxx product family can generate any output frequency up...
The PL611s-18-xxx is a general purpose frequency synthesizer and a member of the PicoPLL family, the world’s smallest programmable clocks. PL611s-18-xxx offers the versatility of using a single crystal (MHz)...
The PL611s-19 is a low-cost general purpose frequency synthesizer and a member of ‘Quick Turn Clock (QTC)’ family. PL611s-19 offers the versatility of using a single reference clock input and...
The PL613-21 is an advanced three PLL design based on PicoPLL, the world’s smallest programmable clock technology. This advanced technology allows the PL613-21 to fit in to a small 3mm...
The PL671-01-xxx is an advanced programmable Spread Spectrum clock generator (PSSCG), and a member of PicoPLL™ Programmable Clock family.The PL671-01 offers up to three 200MHz outputs, and allows for programming...
The PL671-02 is an advanced Spread Spectrum clock generator (SSCG), and a member of PicoPLL™ Programmable Clock family.The PL671-02 offers up to three 200MHz outputs, and allows for programming the...
The PL671-29 is a high performance programmable spread spectrum clock. It allows for programming the modulation type (Center or Down Spread) and 16 modulation magnitudes (±0.125% to ±2.0% or -0.25%...
The PL671-30 is a high performance programmable spread spectrum clock. It allows for programming the modulation type (Center or Down Spread) and 16 modulation magnitudes (±0.125% to ±2.0% or -0.25%...
The PL902xxx series is a low-power, small form-factor, high-performance OTP-based device and a member of Micrel’s JitterBlocker, factory programmable jitter attenuators. The JitterBlocker product family cleans any deterministic jitter, thereby...
The PL903xxx series is a small form factor, high performance OTP-base device and a member of Micrel’s JitterBlocker, factory programmable jitter attenuators. The JitterBlocker product family cleans deterministic jitter by...
The PL904xxx series is a small form-factor, high performance, programmable device and a member of Micrel's JitterBlocker factory programmable jitter attenuators. The JitterBlocker product family cleans deterministic jitter by attenuating...
The SM802120 is a member of the ClockWorks™ family of devices from Micrel and provides an extremely low-noise timing solution. It is based upon a unique patented RotaryWave® architecture...
The SM802xxx series is a member of the ClockWorks™ family of devices from Microchip and provide an extremely low-noise timing solution for applications such as (1-100) Gigabit Ethernet, SONET, Wireless...
The SM803xxx is a dual PLL clock generator that achieves ultra-low, 75fs RMS phase jitter. With 12 total outputs and dividers on each output, this device can generate 12 different...
The SM813xxx is a dual PLL clock generator that achieves ultra-low, <115fs RMS phase jitter at 12KHz to 20MHz. With 8 total outputs and dividers on each output, this device...
The SM840004-11 clock synthesizer was designed for Gigabit Ethernet applications. The device design is optimized for 62.5MHz and 125MHz using a standard 25MHz fundamental parallel resonant crystal, with unparalleled stability...
The SM843256 provides a low-noise timing solution for high speed, high accuracy synthesis of clock signals. Common applications include SONET, Gigabit Ethernet, 10 Gigabit Ethernet, and similar networking standards.Power supplies...
The SM844256 provides a low-noise timing solution for high speed, high accuracy synthesis of clock signals. Common applications include SONET, Gigabit Ethernet, 10 Gigabit Ethernet, and similar networking standards.Power supplies...
The SM84xxxx provides a low-noise timing solution for high speed, high accuracy synthesis of clock signals. Power supplies of either 3.3V or 2.5V are supported, with superior jitter and phase...
The SY10/100E111 are low skew 1-to-9 differential drivers designed for clock distribution in new, highperformance ECL systems. They accept one differential or single-ended input, with V,sub>BB used for single-ended operation.
The SY10/100E111A/L are low skew 1-to-9 differential driver designed for clock distribution in mind. The SY10/100E111A/L's function and performance are similar to the popular SY10/100E111, with the improvement of lower...
The SY10/100E111AE/LE are low skew 1-to-9 differential drivers designed for clock distribution in mind. The SY10/ 100E111AE/LE's function and performance are similar to the popular SY10/100E111, with the improvement of...
The SY10/100E112 are quad drivers designed for use in new, high-performance ECL systems. The E112 has two pairs of OR/NOR outputs from each gate and a common, buffered enable input.
The SY10/100E212 are scannable registered ECL drivers typically used as fan-out memory address drivers for ECL cache driving. In a VLSI array-based CPU design, use of the E212 allows the...
The SY10/100EL15 are low skew 1:4 clock distribution chips designed explicitly for low skew clock distribution applications. The device can be driven by either a differential or single-ended ECL or,...
The SY10/100EL34/L are low skew ÷2, ÷4, ÷8 clock generation chips designed explicitly for low skew clock generation applications. The internal dividers are synchronous to each other, therefore, the common...
The SY10/100EL38/L are low skew ÷2, ÷4/6 clock generation chips designed explicitly for low skew clock generation applications. The internal dividers are synchronous to each other, therefore, the common output...
The SY10/100H841 are single supply, low skew translating 1:4 clock drivers.The devices feature a 24mA TTL output stage, with AC performance specified into a 50pF load capacitance. A latch is...
The SY10/100H842 are single supply, low skew translating 1:4 clock drivers.The devices feature a 24mA TTL output stage, with AC performance specified into a 50pF load capacitance. A HIGH on...
The SY100EL14V is a low skew 1:5 clock distribution chip designed explicitly for low skew clock distribution applications. The device can be driven by either a differential or single-ended ECL...
The SY100EL15L is a low skew 1:4 clock distribution IC designed explicitly for low skew clock distribution applications. The device can be driven by either a differential or single-ended ECL...
The SY100EP16V is a 3.3/5V, high-speed, fully differential ECL Receiver/Driver that can process clock signals as fast as 3GHz or data patterns up to 2.5Gbps. The differential input includes an...
The SY100EP210U is a high-speed, precision low skew 1-to-5 dual differential clock driver. HSTL inputs can be used when the EP210U is operating in PECL mode.The EP210U specifically guarantees critical...
The SY100S313 offers four drivers with two OR and two NOR outputs, designed for use in high-performance ECL systems. The four drivers are controlled by a common Enable signal which...
The SY100S325 are hex translators for converting 100K ECL logic levels to TTL logic levels. Inputs can be used as inverting, non-inverting or differential receivers. An internal reference voltage generator...
The SY100S815 is a low skew 1-to-4 PECL differential driver designed for clock distribution in new, highperformance PECL systems. It accepts either a PECL clock input or a TTL input...
The SY100S834/L is low skew (÷1, ÷2, ÷4) or (÷2, ÷4, ÷8) clock generation chip designed explicitly for low skew clock generation applications. The internal dividers are synchronous to each...
The SY100S891 is a 5-bit registered transceiver containing five bus transceivers with both transmit and receive registers. The bus outputs (BUS0 - BUS4) are specified for driving a 25 ohm...
The SY10EL1189 is a differential receiver, differential transmitter specifically designed to drive coaxial cables. It incorporates the output cable driver capability of the SY10EL89 Coaxial Cable Driver with additional circuitry...
The SY10EL89 is a differential fanout gate specifically designed to drive coaxial cables. The device is especially useful in Digital Video Broadcast applications. For this application, since the system is...
The SY10EP89V is a differential fanout gate specifically designed to drive coaxial cables. The device is especially useful in digitial video broadcasting applications; for this application, since the system is...
The SY54011R is a fully differential, low voltage 1.2V/1.8V CML 1:2 fanout buffer. It is optimized to provide two identical output copies with less than 15ps of skew and less...
The SY54016AR is a fully differential, low voltage 1.2V/1.8V CML Line Driver/Receiver. The SY54016AR can process clock signals as fast as 3.2GHz or data patterns up to 3.2Gbps.The differential input...
The SY54016AR is a fully-differential, low-voltage 1.2V/1.8V CML Line Driver/Receiver. The SY54016AR can process clock signals as fast as 3.2GHz or data patterns up to 3.2Gbps.The differential input includes Micrel's...
The SY54016R is a fully differential, low voltage 1.2V/1.8V CML Line Driver/Receiver with Fail-Safe Input. The SY54016R can process clock signals as fast as 2.5GHz or data patterns up to...
The SY54017AR is a fully differential, low voltage 1.2V/1.8V CML 2:1 MUX. The SY54017AR can process clock signals as fast as 3.2GHz or data patterns up to 3.2Gbps.The differential input...
The SY54017R is a fully differential, low voltage 1.2V/1.8V CML 2:1 MUX with Fail Safe Inputs. The SY54017R can process clock signals as fast as 2.5GHz or data patterns up...
The SY54023AR is a fully differential, low voltage 1.2V/1.8V CML 2x2 Crosspoint Switch. The SY54023AR can process clock signals as fast as 3.2 GHz or data patterns up to 3.2Gbps.The...
The SY54023R is a fully differential, low voltage 1.2V/1.8V CML 2x2 Crosspoint Switch with Fail Safe Inputs. The SY54023R can process clock signals as fast as 2.5GHz or data patterns...
The SY56016R is a fully differential, low voltage 1.2V/1.8V/2.5V CML Line Driver/Receiver with input equalization. The SY56016R can process clock signals as fast as 5.0GHz or data patterns up to...
The SY58016L is a high-speed, current mode logic (CML) differential receiver. It is ideal for interfacing with high frequency sources. It can be used as a Line Receiver, Line Driver,...
The SY58052AU is an ultra-fast, precision, low jitter data- to-clock resynchronizer with a guaranteed maximum data throughput of 10.7Gbps and a maximum clock of 10.7GHz. The SY58052AU is an ideal...
The SY58626L high-speed, low jitter transmit buffer is optimized for backplane and transmission line data-path management applications in Automatic Test Equipment (ATE) and Test & Measurement (T&M) systems. The buffer...
The SY87729L is a complete rate independent frequency synthesizer integrated circuit. From a single reference source, this device generates a differential PECL reference frequency for Micrel's SY87721L 10Mbps to 2.7Gbps...
The SY87739L is a complete rate independent frequency synthesizer integrated circuit. From a single reference source, this device generates a differential PECL output frequency from 10MHz up to 729MHz.The SY87739L...
The SY89307V is a differential receiver with a variable output swing. It is functionally equivalent to the SY100EP16VS but in an ultra-small 8-lead MLF® package that features a 70% smaller...
The SY89420V device consists of two identical, low jitter, digital Phase Locked Loops based on Micrel-Synergy's differential PLL technology. Each of the PLLs (PLLA and PLLB) is capable of operating...
The SY89421V is a digital Phase Locked Loop based on Micrel-Synergy's differential PLL technology. It is capable of operating in the 30MHz to 560MHz reference input frequency range, and up...
The SY89531L programmable clock synthesizer/driver is part of a 3.3V, high-frequency, precision PLL-based clock synthesizer family optimized for multi-frequency, multi-processor server, enterprise networking and other computing applications that require the...
The SY89532 and SY89533L programmable clock synthesizer/drivers are a 3.3V, high-frequency, precision PLL-based clock driver family optimized for multi-frequency, multi-processor server and synchronous computing applications that require the highest precision.
The SY89534L and SY89535L programmable clock synthesizers are a 3.3V, high-frequency, precision PLL-based family optimized for multi-frequency, large clock-tree applications that require the highest precision. These devices integrate the following...
The SY89536L programmable clock synthesizer is part of a 3.3V, high-frequency, precision PLL-based clock synthesizer family optimized for multi-frequency, large clock-tree applications. This device integrates the following blocks into a...
The SY89537L integrated programmable clock synthesizer and fanout is part of a precision PLL-based clock generation family optimized for enterprise switch, router, and multiprocessor server applications. This family is ideal...
The SY89610L is a 3.3V, fully differential frequency synthesizer jitter attenuating that accepts a noisy clock between 19.44MHz and 694MHz, depending on I/O frequency selection, and provides an ultra-low jitter...
The SY89808L is a High-Performance Bus Clock Driver with 9 differential HSTL (High-Speed Transceiver Logic) 1.5V compatible output pairs. The part is designed for use in lowvoltage (3.3V/1.8V) applications which...
The SY89809AL is a high-performance bus clock driver with nine differential High-Speed Transceiver Logic (HSTL) output pairs. The part is designed for use in low-voltage (3.3V/1.8V) applications, which require a...
The SY89823L is a high-performance bus clock driver with 22 differential High-Speed Transceiver Logic (HSTL), 1.5V compatible output pairs. The device is designed for use in low-voltage (3.3V/1.8V) applications that...
The SY89824L is a High Performance Bus Clock Driver with 22 differential HSTL (High Speed Transceiver Logic) output pairs. The part is designed for use in low voltage (3.3V/1.8V) applications...
The SY89825U is a High Performance Bus Clock Driver with 22 differential LVPECL output pairs. This part is designed for use in low voltage (2.5V, 3.3V) applications which require a...
The SY89827L is a High Performance Bus Clock Driver with dual 1:10 or single 1:20 HSTL (High Speed Transceiver Logic) output pairs. The part is designed for use in low...
This 2.5V low-skew, low-jitter, precision LVDS output clock divider accepts any high-speed differential clock input (AC or DC-coupled) CML, LVPECL, HSTL or LVDS and divides down the frequency using a...
This 3.3V low-skew, low-jitter, precision LVDS output clock divider accepts any high-speed differential clock input (AC- or DC-coupled) CML, LVPECL, HSTL or LVDS and divides down the frequency using a...