This document describes the features and characteristics of Microchip Technology Inc. 93LC46AX/BX series products, including single supply operation, low power CMOS technology, 128 x 8 bit or 64 x 16 bit organization, self-timed erase and write cycles, automatic erase before write, power on/off data protection circuitry, industry standard 3-wire serial interface, etc.
This document is a technical datasheet for the Microchip Technology Inc. 93LC46AX/BX series of low voltage serial Electrically Erasable PROMs. The devices feature a single supply operation down to 2.5V with low power CMOS technology, offering either 1K x 8 bit (93LC46A) or 64 x 16 bit (93LC46B) organization.
The datasheet details the electrical characteristics for commercial and industrial temperature ranges, including maximum ratings, DC/AC parameters, and timing specifications. It also provides a comprehensive description of the functional operation, pin definitions, instruction sets for both device variants, and data protection features.
| Memory Organization (93LC46A) | 128 x 8 bit |
|---|---|
| Memory Organization (93LC46B) | 64x 16 bit |
| Operating Voltage Range | +2.5V to +6.0V |
| Endurance | 1,000,000 cycles |
| Data Retention | > 200 years |
| Active Current (Typical) | 1 mA |
The device supports operation down to 2.5V.
1,000,000 E/W cycles are guaranteed at 25°C and Vcc = 5.0V.
The DO pin will be high to indicate the device is ready.