M93C86, M93C76, M93C66 M93C56, M93C46 16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit (8-bit or 16-bit wide) MICROWIRE® Serial Access EEPROM is industry standard MICROWIRE Bus single supply voltage 4.5 to 5.5V dual organization by Word (x16) or Byte (x8) programming instructions work on Byte, Word or Entire Memory self-timed programming cycle with auto-erase ready/busy signal speed 1MHz Clock Rate, 10ms Write Time sequential read operation enhanced ESD/Latch-Up Behaviour more than 1 Million Erase/Write Cycles more than 40 Year Data Retention
The M93Cx6 family of EEPROM devices offers 1 Kbit to 16 Kbit memory organized as either bytes (x8) or words (x16). They operate over a wide supply voltage range and support both 1 MHz and 2 MHz MICROWIRE clock rates, delivering fast write times while maintaining low power consumption.
The document contains a feature summary, package drawings, logic diagrams, signal definitions, memory organization tables, power‑on data protection details, a complete instruction set, timing diagrams, absolute maximum ratings, DC and AC characteristics, mechanical dimensions, part‑numbering scheme, and revision history. It serves as a reference for designers integrating these EEPROMs into their circuits.
| Supply Voltage (M93Cx6) | 4.5 V to 5.5 V |
|---|---|
| Supply Voltage (M93Cx6‑W) | 2.5 V to 5.5 V |
| Supply Voltage (M93Cx6‑R) | 1.8 V to 5.5 V |
| Clock Rate (standard product) | 1 MHz |
| Clock Rate (new product) | 2 MHz |
| Write Time (standard product) | 10 ms |
| Write Time (new product) | 5 ms |
| Erase/Write Cycle Endurance | > 1 Million cycles |
| Data Retention | > 40 years |
The M93C86 operates from 4.5 V to 5.5 V.
Newer versions support a 2 MHz clock rate with a 5 ms write time.
The devices are rated for more than one million erase/write cycles.
Data can be retained for more than 40 years.