The Microchip 44AC3543 is a 4Kbit serial EEPROM designed for low-power applications, operating at a clock frequency of 2MHz. It features a memory organization of 256 x 16 bits and utilizes a standard 3-wire serial interface, making it compatible with various microcontroller systems. The device supports a supply voltage range of 4.5V and is compliant with RoHS standards. It is housed in an 8-pin TSSOP package, suitable for space-constrained designs. The EEPROM offers a data retention period exceeding 200 years and can endure up to 1,000,000 erase/write cycles, ensuring reliability for long-term data storage. Additionally, it includes power-on/off data protection circuitry and self-timed erase/write cycles, enhancing its usability in various applications.
EEPROM Memory IC 4Kb (256 x 16) SPI 2MHz 8-TSSOP
Manufacturer: Microchip Technology
Win Source Part Number: 1320851-93C66B-I/ST
Category: Integrated Circuits (ICs)>Memory>Memory
Packaging: Tube
Standard Package: 100
Mounting: Surface Mount
Technology: EEPROM
Memory Type: Non-Volatile
Memory Size: 4Kb (256 x 16)
Voltage - Supply: 4.5V ~ 5.5V
Supplier Device Package: 8-TSSOP
Temperature Range - Operating: -40°C ~ 85°C
Case / Package: 8-TSSOP (0.173", 4.40mm Width)
Memory Format: EEPROM
Clock Frequency: 2 MHz
Write Cycle Time - Word, Page: 2ms
Memory Interface: Microwire
ECCN: EAR99
Fake Threat In the Open Market: 67
MSL Level: 1 (Unlimited)
REACH Status: REACH Unaffected
HTSUS: 8542.32.0051
Other Part Number: 93C66B-I/ST-NDR
Base Product Number: 93C66B
RoHS Status: ROHS3 Compliant
IC EEPROM 4KBIT MICROWIRE 8TSSOP Product overview: 93C66B-I/ST from Microchip Technology is a Memory IC and Storage Component for data storage, firmware boot, embedded logging, industrial controllers, computing modules, and replacement sourcing. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include memory IC, Flash, SRAM, DRAM, storage module, Memory IC and Storage Component, Memory ICs Products. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 774-93C66B-I/ST can be used for catalog matching and distributor lookup.
IC EEPROM 4KBIT SPI 2MHZ 8TSSOP
EEPROM Memory IC 4Kbit Microwire 2 MHz 8-TSSOP
IC EEPROM 4KBIT MICROWIRE 8TSSOP
EEPROM, 4KBIT, SERIAL, 2MHZ, TSSOP-8; Memory Size:4Kbit; EEPROM Memory Configuration:256 x 16bit; Memory Interface Type:Serial Microwire; Clock Frequency:2MHz; Memory Case Style:TSSOP; No. of Pins:8Pins; Supply Voltage Min:4.5V; RoHS Compliant: Yes
| DigiKey | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | Lingto Electronic Limited | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|
| Product Category | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips | Memory Chips |
| Product Number | 93C66B-I/ST-ND | 1320851-93C66B-I/ST | 774-93C66B-I/ST | 93C66B-I/ST | 93C66B-I/ST | 93C66B-I/ST | 44AC3543 |
| Product Name | Memory | Integrated Circuits (ICs) - Memory - Memory | Memory IC and Storage Component | Memory | Memory | Integrated Circuits (ICs) - Memory - Memory | Eeprom, 4Kbit, Serial, 2Mhz, Tssop-8; Memory Size Microchip |
| Memory Category | EEPROM | EEPROM; Non-Volatile | EEPROM | EEPROM; EEPROM | EEPROM; EEPROM | EEPROM; Non-Volatile | EEPROM |
| Operating Temperature | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 C (-40 F) | -40 to 85 C (-40 to 185 F) | |||
| Package Type | TSSOP; "8-TSSOP (0.173"", 4.40mm Width)" | SOP; SSOP; TSSOP; 8-TSSOP (0.173", 4.40mm Width) | SSOP; TSSOP; 8-TSSOP (0.173\", 4.40mm Width) | SSOP; TSSOP | TSSOP | ||
| Supply Voltage | 4.5V ~ 5.5V | 4.5V ~ 5.5V | -4.5V; 4.5 | 4.5V ~ 5.5V | -40degC ~ 85degC (TA) | ||
| Cycle Time | 2.00E6 ns | 2.00E6 ns |
