EEPROM

93C56 - 256x8(2k) Serial CMOS EEPROM

Photograph

Features Low Voltage and Standard-Voltage Operation User Selectable Internal Organization, Word or Byte 3-wire Serial Interface 2 MHz Clock Rate Self-timed Write Cycle (10mS max) High-Reliability, 1 Million Write Cycles, 100 Year Data Retention

Pin Description Pin Number Description 1 CS - Chip Select 2 SK - Serial Data Clock 3 DI - Serial Data Input 4 DO - Serial Data Output 5 GND - Ground 6 ORG - Internal Organization 7 DC - Don't Connect 8 Vcc - Positive Power Supply

Pin Layout Dimensional Drawing

Technical Data Data Sheet Atmel - Data Sheet for AT93C56 Application Notes Atmel - Interfacing 93CXXX Serial EEPROMs with AT89CX051 MCU