Microchip 25LC320A-I/SN, 32kbit Serial EEPROM Memory, 160ns 8-Pin SOIC Serial-SPI

Microchip’s 25AA320A/25LC320A family of devices are 32 Kbit SPI Serial EEPROMs available in a variety of package, temperature and power supply variants.

The Serial Peripheral Interface (SPI) is utilised to provide the required Clock Input (SCK), Data In (SI) and Data Out (SO) signals. The operation of these devices can be paused via a Hold pin (HOLD) which causes inputs to be ignored with the exception higher priority interrupts defined via the Chip Select (CS) pin.

Max. Clock 10 MHz
Maximum write current 5 mA
Read current: 5 mA (typical)
Standby current: 5 μA (typical)
4096 x 8-bit Organization
32-Byte Page
Self-Timed Erase and Write Cycles, 5 ms (maximum)
Block Write Protection: Protect none, 1/4, 1/2 or all of array
Built-In Write Protection: Power-on/off data protection circuitry, Write enable latch, Write-protect pin
Sequential Read
Endurance: >1,000,000 erase/write cycles
Data retention: >200 years
ESD protection: >4000V

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EEPROM Serial Access - Microchip