DESCRIPTION

The IS93C46B is a low-cost 1kb non-volatile, ISSI ® serial EEPROM. It is fabricated using an enhanced CMOS design and process. The IS93C46B contains power-efficient read/write memory, and organization of 64 words of 16 bits. The IS93C46B is fully backward compatible with IS93C46.

FEATURES

• Industry-standard Microwire Interface

— Non-volatile data storage

— Low voltage operation: Vcc = 2.5V to 5.5V

— Full TTL compatible inputs and outputs

— Auto increment for efficient data dump

• x16 bit organization

• Hardware and software write protection

— Defaults to write-disabled state at power-up

— Software instructions for write-enable/disable

• Enhanced low voltage CMOS E2PROM technology

• Versatile, easy-to-use Interface

— Self-timed programming cycle

— Automatic erase-before-write

— Programming status indicator

— Word and chip erasable

— Chip select enables power savings

• Durable and reliable

— 40-year data retention after 1M write cycles

— 1 million write cycles

— Unlimited read cycles

— Schmitt-trigger inputs

• Industrial and Automotive Temperature Grade