This datasheet details the features and characteristics of STMicroelectronics' M93Cx6 series of MICROWIRE® serial access EEPROMs. The family includes 16 Kbit, 8 Kbit, 4 Kbit, 2 Kbit and 1 Kbit (8-bit or 16-bit wide) devices.
This document provides technical specifications for the M93C46, M93C56, M93C66, M93C76, and M93C86 electrically erasable programmable memory (EEPROM) devices. These devices are accessed via the MICROWIRE bus protocol and offer dual organization options, allowing configuration as either 8-bit bytes or 16-bit words. The datasheet details operating features including supply voltage ranges for standard, wide, and low-voltage variants, as well as power-up and power-down conditions.
| Memory Size (M93C86) | 16 Kbits |
|---|---|
| Memory Size (M93C66) | 4 Kbits |
| Memory Size (M93C56) | 2 Kbits |
| Memory Size (M93C46) | 1 Kbit |
| Clock Rate | 2 MHz |
| Programming Cycle Time | 5 ms |
| Write Cycles | More than 1 million |
| Data Retention | More than 40 years |
| Supply Voltage (Standard) | 4.5 V to 5.5 V |
The supply voltage range is 4.5 V to 5.5 V.
It is selected by the Organization Select (ORG) pin; unconnected or connected to VCC selects x16, while connected to Ground selects x8.