25AA256
Overview
The Microchip Technology Inc. 25AA256/25LC256 (25XX256*) are 256 Kbit Serial Electrically Erasable PROMs. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus.
- Max. Clock 10 MHz
- Low-Power CMOS Technology: - Max. Write Current: 5 mA at 5.5V, 10 MHz - Read Current: 6 mA at 5.5V, 10 MHz - Standby Current: 1 A at 5.5V
- 32,768 x 8-bit Organization
- 64-Byte Page
- Self-Timed Erase and Write Cycles (5 ms max.)
- 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
- High Reliability: - Endurance: 1,000,000 erase/write cycles - Data retention: > 200 years - ESD protection: > 4000V
- Temperature Ranges Supported: - Industrial (I): - Automotive (E): -40°C to +85°C -40°C to +125°C
