25AA040
Overview
The Microchip Technology Inc. 25AA040/25LC040/ 25C040 (25XX040*) is a 4 Kbit serial Electrically Erasable PROM. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus.
- Low-power CMOS technology: - Write current: 3 mA, typical - Read current: 500 μA, typical - Standby current: 500 nA, typical
- 512 x 8-bit organization
- 16 byte page
- Write cycle time: 5 ms max.
- Self-timed Erase and Write cycles
- 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: 1M cycles - Data retention: > 200 years - ESD protection: > 4000V
- 8-pin PDIP, SOIC and TSSOP packages
