Microchip Technology, Inc. Datasheets for SRAM Memory Chips

Static random access memory (SRAM) chips do not need to be refreshed like DRAM chips. This makes SRAM chips faster and more reliable.
SRAM Memory Chips: Learn more

Product Name	Notes
23A1024-E/P 23A1024-E/SN 23A1024-E/ST 23A1024-I/P 23A1024-I/SN 23A1024-I/ST 23A1024T-E/SN 23A1024T-E/ST 23A1024T-I/SN 23A1024T-I/ST 23A256-I/P 23A256-I/SN 23A256-I/ST 23A256T-I/SN 23A256T-I/ST 23A512-E/P 23A512-E/SN 23A512-E/ST 23A512-I/P 23A512-I/SN 23A512-I/ST 23A512T-E/SN 23A512T-E/ST 23A512T-I/SN 23A512T-I/ST 23A640-I/P 23A640-I/SN 23A640-I/ST 23A640T-I/SN 23A640T-I/ST 23AA02M-I/P 23AA02M-I/SN 23AA02M-I/ST 23AA04M-I/P 23AA04M-I/SN 23AA04M-I/ST 23K256-E/P 23K256-E/SN 23K256-E/ST 23K256-I/P 23K256-I/SN 23K256-I/ST 23K256T-E/SN 23K256T-E/ST 23K256T-I/SN 23K256T-I/ST 23K640-E/P 23K640-E/SN 23K640-E/SNVAO 23K640-E/ST 23K640-I/P 23K640-I/SN 23K640-I/ST 23K640T-E/SN 23K640T-E/ST 23K640T-I/SN 23K640T-I/ST 23LC1024-E/P 23LC1024-E/SN 23LC1024-E/ST 23LC1024-I/P 23LC1024-I/SN 23LC1024-I/SNVAO 23LC1024-I/ST 23LC1024T-E/SN 23LC1024T-E/SNVAO 23LC1024T-E/ST 23LC1024T-I/SN 23LC1024T-I/SNVAO 23LC1024T-I/ST 23LC512-E/P 23LC512-E/SN 23LC512-E/ST 23LC512-I/P 23LC512-I/SN 23LC512-I/ST 23LC512T-E/SN 23LC512T-E/ST 23LC512T-I/SN 23LC512T-I/ST 23LCV02M-I/P 23LCV02M-I/SL 23LCV02M-I/ST 23LCV04M-I/P 23LCV04M-I/SL 23LCV04M-I/ST 23LCV1024-E/P 23LCV1024-E/SN 23LCV1024-E/ST 23LCV1024-I/P 23LCV1024-I/SN 23LCV1024-I/ST 23LCV1024T-E/SN 23LCV1024T-E/ST 23LCV1024T-I/SN 23LCV1024T-I/ST 23LCV512-E/P 23LCV512-E/SN 23LCV512-E/ST 23LCV512-I/P 23LCV512-I/SN 23LCV512-I/ST 23LCV512T-E/SN 23LCV512T-E/ST 23LCV512T-I/SN 23LCV512T-I/ST 47C04-E/P 47C04-E/SN 47C04-E/ST 47C04-I/P 47C04-I/S16K 47C04-I/SN 47C04-I/ST 47C04-I/W16K 47C04-I/WF16K 47C04T-E/SN 47C04T-E/ST 47C04T-I/SN 47C04T-I/ST 47C16-E/P 47C16-E/SN 47C16-E/SN16KVAO 47C16-E/ST 47C16-I/P 47C16-I/S16K 47C16-I/SN 47C16-I/ST 47C16-I/W16K 47C16-I/WF16K 47C16T-E/SN 47C16T-E/SN16KVAO 47C16T-E/ST 47C16T-I/SN 47C16T-I/ST 47L04-E/P 47L04-E/SN 47L04-E/ST 47L04-I/P 47L04-I/S16K 47L04-I/SN 47L04-I/ST 47L04-I/W16K 47L04-I/WF16K 47L04T-E/SN 47L04T-E/ST 47L04T-I/SN 47L04T-I/ST 47L16-E/P 47L16-E/SN 47L16-E/ST 47L16-I/P 47L16-I/S16K 47L16-I/SN 47L16-I/ST 47L16-I/W16K 47L16-I/WF16K 47L16T-E/SN 47L16T-E/ST 47L16T-I/SN 47L16T-I/ST 47L64-I/SN 48L256-I/SN 48L256T-I/SN 48L512-I/SN 48L512T-I/SN 48L640-I/SN 48L640T-I/MNY 48L640T-I/SN 48LM01-I/SM 48LM01T-I/SM AS6C1608-55TIN AS6C2008A-55TIN AS6C3216A-55BIN AS6C4008-55BIN AS6C6264-55PIN AS6C6416-55TIN AS6C8016-55TIN AS7C1026B-10TCNTR AS7C1026C-12TIN AS7C31025C-12TIN AS7C31026B-10JCN AS7C3256-10TIN AS7C3256-12TIN AS7C3256-15JCN AS7C3256-20JC AS7C34096A-15JIN AS7C34098-12TI AS7C34098A-20JIN AS7C513B-12TCN ATSAML11E14A-UUT DSPIC33EP64GS504-I/PT EDI88128CS25CB EDI88128LPS25LB EDI88128LPS25NB EDI88128LPS45TB EDI88130CS25FB EDI88130CS25LB EDI88130CS55CB EDI88512CA-20CB EDI88512CA-35CB EDI88512CA25MIG EDI88512LPA-20CI MCP7940MT-I/MNY MEC1418-SZ WS128K32N-15H1I WS128K32N-17H1I WS128K32N-20H1C WS128K32NV-17H1M WS128K32V-20G2UI WS512K32-20G2UM WS512K32N-20H1I WS512K32V-15G2UI WS512K8-35CM
256Kb SPI Serial EERAM - SRAM with EEPROM Back Up -- 48L256	EERAM is an SRAM that doesn't lose its content on a power disruption. Inside each memory cell, transparent to the user, are nonvolatile transistors that capture the SRAM content and...
Battery-Backed I2C Real-Time Clock/Calendar with SRAM and EEPROM -- MCP79400 Battery-Backed I2C Real-Time Clock/Calendar with SRAM and EEPROM -- en551550	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...
I2C Real-Time Clock/Calendar with SRAM -- MCP7940M I2C Real-Time Clock/Calendar with SRAM -- en557488	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...
Battery-Backed I2C Real-Time Clock/Calendar with SRAM -- MCP7940N Battery-Backed I2C Real-Time Clock/Calendar with SRAM -- en553414	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...
Battery-Backed I2C Real-Time Clock/Calendar with SRAM and EEPROM -- MCP79410 Battery-Backed I2C Real-Time Clock/Calendar with SRAM and EEPROM -- en550280	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...
4Kb 5V I2C Serial EERAM - SRAM with EEPROM Back Up -- 47C04	The Microchip Technology Inc 47C04 EERAM is a 4Kbit SRAM with EEPROM Backup. The I2C EERAM Memory is a Low-Cost NVSRAM that Eliminates the Need for an External Battery to...
16Kb 5V I2C Serial EERAM - SRAM with EEPROM Back Up -- 47C16	The Microchip Technology Inc 47C16 EERAM is a 16Kbit SRAM with EEPROM Backup. The I2C EERAM Memory is a Low-Cost NVSRAM that Eliminates the Need for an External Battery to...
4Kb 2.7-3.6V I2C Serial EERAM - SRAM with EEPROM Back Up -- 47L04	The Microchip Technology Inc 47L04 EERAM is a 4Kbit SRAM with EEPROM Backup. The I2C EERAM Memory is a Low-Cost NVSRAM that Eliminates the Need for an External Battery to...
16Kb 2.7-3.6V I2C Serial EERAM - SRAM with EEPROM Back Up -- 47L16	The Microchip Technology Inc 47L16 EERAM is a 16Kbit SRAM with EEPROM Backup. The I2C EERAM Memory is a Low-Cost NVSRAM that Eliminates the Need for an External Battery to...
1.7-2.2V 1Mb SPI Serial SRAM -- 23A1024 1.7-2.2V 1Mb SPI Serial SRAM -- en559063 2.5-5.5V 1Mb SPI Serial SRAM -- 23LC1024 2.5-5.5V 1Mb SPI Serial SRAM -- en559066	The Microchip Technology Inc. 23A1024/23LC1024 are 1 Mbit Serial SRAM devices. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus. The bus signals required are...
1.7-2.2V 512Kb SPI Serial SRAM -- 23a512 1.7-2.2V 512Kb SPI Serial SRAM -- en559067 2.5-5.5V 512Kb SPI Serial SRAM -- 23LC512 2.5-5.5V 512Kb SPI Serial SRAM -- en559068	The Microchip Technology Inc. 23A512/23LC512 are 512 Kbit Serial SRAM devices. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus. The bus signals required are...
1Mb SPI Serial SRAM with Battery Backup -- 23lcv1024 1Mb SPI Serial SRAM with Battery Backup -- en559069	The Microchip Technology Inc. 23LCV1024 are 1 Mbit Serial SRAM devices. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus. The bus signals required are...
512Kb SPI Serial SRAM with Battery Backup -- 23LCV512 512Kb SPI Serial SRAM with Battery Backup -- en559070	The Microchip Technology Inc. 23LCV512 are 512 Kbit Serial SRAM devices. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus. The bus signals required are...
1.5-1.95V 256Kb SPI Serial SRAM -- 23A256 1.5-1.95V 256Kb SPI Serial SRAM -- en539040 2.7-3.6V 256Kb SPI Serial SRAM -- 23K256 2.7-3.6V 256Kb SPI Serial SRAM -- en539039	The Microchip Technology Inc. 23X256 are 256 Kbit Serial SRAM devices. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus. The bus signals required are...
1.5-1.95V 64Kb SPI Serial SRAM -- 23a640 1.5-1.95V 64Kb SPI Serial SRAM -- en539046 2.7-3.6V 64Kb SPI Serial SRAM -- 23K640 2.7-3.6V 64Kb SPI Serial SRAM -- en539045	The Microchip Technology Inc. 23X640 are 64 Kbit Serial SRAM devices. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus. The bus signals required are...

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