General Description

The NM24Wxx devices are 2048/4096/8192/16,384 bits, respectively, of CMOS non-volatile electrically erasable memory. These devices conform to all specifications in the IIC 2-wire protocol and are designed to minimize device pin count, and simplify PC board layout requirements.

特性 Features

■ Hardware Write Protect for entire memory

■ Low Power CMOS

200μA active current typical

10μA standby current typical

1μA standby typical (L)

0.1μA standby typical (LZ)

■ IIC Compatible interface

— Provides bidirectional data transfer protocol

■ Sixteen byte page write mode

— Minimizes total write time per byte

■ Self timed write cycle

— Typical write cycle time of 6ms

■ Endurance: 1,000,000 data changes

■ Data retention greater than 40 years

■ Packages available: 8-pin DIP, 8-pin SO, and 8-pin TSSOP

■ Available in three temperature ranges

- Commercial: 0° to +70°C

- Extended (E): -40° to +85C

- Automotive (V): -40° to +125°C