This document details the features and characteristics of the M93C86, M93C76, M93C66 M93C56, M93C46 16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit (8-bit or 16-bit wide) MICROWIRE® Serial Access EEPROM, including Industry Standard MICROWIRE Bus, Single Supply Voltage, Dual Organization, Programming Instructions, Self-timed Programming Cycle with Auto-Erase, Ready/Busy Signal During Programming, 2MHz Clock Rate, Sequential Read Operation, Enhanced ESD/Latch-Up Behavior, More than 1 Million Erase/Write Cycles, More than 40 Year Data Retention.