X25644
Overview
8K x 8 Bit 4K x 8 Bit 2K x 8 Bit.
- Programmable Watchdog Timer with Reset Assertion -Reset Signal Valid to Vcc=1V -Power Up Reset Control
- Save Critical Data With Block LockTM Protection -Block LockTM Protect 0, 1/4, 1/2 or all of Serial E2PROM Memory Array
- In Circuit Programmable ROM Mode
- Long Battery Life With Low Power Consumption -<50µA Max Standby Current, Watchdog On -<1µA Max Standby Current, Watchdog Off -<5mA Max Active Current during Write -<400µA Max Active Current during Read
- 1.8V to 3.6V, 2.7V to 5.5V and 4.5V to 5.5V Power Supply Operation
- 2MHz Clock Rate
- Minimize Programming Time -32 Byte Page Write Mode -Self-Timed Write Cycle -5ms Write Cycle Time (Typical)
- SPI Modes (0,0 & 1,1)
- Built-in Inadvertent Write Protection -Power-Up/Power-Down Protection Circuitry -Write Enable Latch -Write Protect Pin
- High Reliability
