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