25AA1024

25AA1024 1 Mbit SPI Bus Serial EEPROM Device Selection Table Part Number 25AA1024 VCC Range 1.8-5.5V Page Size 256 Byte Temp. Ranges I Packages P, SM, MF Features 20 MHz Maximum Clock Speed Byte and Page-level Write Operations: - 256 byte page - 6 ms maximum write cycle time - No page or sector erase required Low-Power CMOS Technology: - Maximum Write current: 7 mA at 5.5V - Maximum Read current: 10 mA at 5.5V, 20 MHz - Standby current: 1 µA at 2.5V, 85°C (Deep Power-down) Electronic Signature for Device ID Self-Timed Erase and Write Cycles: - Page Erase (6 ms maximum) - Sector Erase (10 ms maximum) - Chip Erase (10 ms maximum) Sector Write Protection (32K byte/sector): - 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 High Reliability: - Endurance: 1M erase/write cycles - Data Retention: >200 years - ESD Protection: 4000V Temperature Ranges Supported: - Industrial (I):-40°C to +85°C RoHS Compliant Pin Function Table Name Function CS SO WP VSS SI SCK HOLD VCC Chip Select Input Serial Data Output Write-Protect Ground Serial Data Input Serial Clock Input Hold Input Supply Voltage Description The Microchip Technology Inc. 25AA1024 is a 1024 Kbit serial EEPROM memory with byte-level and page-level serial EEPROM functions. It also features Page, Sector and Chip erase functions typically associated with Flash-based products. These functions are not r...