XL93LC56B

m o c . Preliminary Information U 4 t e e FEATURES h 1.8V to 5.5VS Operation a t Temperature Range: -40°C to +85°C Extended a User Selectable Word length D . State-of-the-Art Architecture wNonvolatile data — storage w— Fully TTL compatible inputs and outputs w — Auto increment for efficient data dump EXEL Microelectronics, Inc. XL93LC56B 2,048-Bit Serial Electrically Erasable PROM 1.8V to 5.5V Operation PIN CONFIGURATIONS Plastic Dual-in-line “P” Package CS 1 SK 2 DI 3 8 VCC Hardware and Software Write Protection — Defaults to write-disabled state at power up — Software instructions for write-enable/disable — VCC lockout inadvertent write protection (XL93LC56A) Low Power Consumption — 1mA active — 1µA standby Advanced 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 Durable and Reliable — 100-year data retention after 100K write cycles — Minimum of 100,000 erase/write cycles — Unlimited read cycles — ESD protection (EIAJ and JEDEC standard) OVERVIEW The XL93LC56B is a cost effective 2,048-bit, nonvolatile, serial E2 PROM. It is fabricated using EXEL’s advanced CMOS E2 PROM technology. The XL93LC56B provides efficient nonvolatile read/write memory arranged as 128 addresses of 16 bits each or 256 addresses of 8 bits each. Seven 11-bit instructions control the operation of the device, which include read, write, and mode...