93C56

M FEATURES 93C56A/B PACKAGE TYPE PDIP CS CLK DI DO 1 2 3 4 VCC 8 7 6 5 NC NC VSS 2K 5.0V Automotive Temperature Microwire® Serial EEPROM Single supply 5.0V operation Low power CMOS technology - 1 mA active current (typical) - 1 µA standby current (maximum) 256 x 8 bit organization (93C56A) 128 x 16 bit organization (93C56B) Self-timed ERASE and WRITE cycles (including auto-erase) Automatic ERAL before WRAL Power on/off data protection circuitry Industry standard 3-wire serial interface Device status signal during ERASE/WRITE cycles Sequential READ function 100,000 E/W cycles guaranteed Data retention > 200 years 8-pin PDIP and SOIC packages Available for the following temperature ranges: - Automotive (E): -40°C to +125°C 93C56A/B SOIC CS CLK DI DO 1 8 VCC NC NC VSS 93C56A/B 2 3 4 7 6 5 BLOCK DIAGRAM MEMORY ARRAY ADDRESS DECODER DESCRIPTION The Microchip Technology Inc. 93C56A/B is a 2K-bit, low-voltage serial Electrically Erasable PROM. The device memory is configured as 256 x 8 bits (93C56A) or 128 x 16 bits (93C56B). Advanced CMOS technology makes this device ideal for low-power, nonvolatile memory applications. The 93C56A/B is available in standard 8-pin DIP and surface mount SOIC packages. This device is only recommeded for 5V automotive temperature applications. For all commercial and industrial applications, the 93LC56A/B is recommended. ADDRESS COUNTER DATA REGISTER DI MEMORY DECODE LOGIC CLOCK GENERATOR VCC VSS OUTPUT BUFFER DO ...