Professional IC Distribution & Technical Solutions

The 93C56B1 is a serial Electrically Erasable Programmable Read-Only Memory (EEPROM) manufactured by STMicroelectronics (ST). Below are the key specifications, descriptions, and features:

Specifications:

• Memory Size: 2Kbit (256 x 8-bit or 128 x 16-bit organization)
• Interface: Microwire (3-wire serial interface)
• Supply Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Time: 5ms (typical)
• Endurance: 1,000,000 write cycles
• Data Retention: 100 years
• Package Options: SO-8, TSSOP-8

Descriptions:

• The 93C56B1 is a low-power, high-reliability EEPROM designed for serial data storage.
• It supports both 8-bit and 16-bit word configurations via an ORG pin.
• Features a sequential read operation for faster data access.
• Includes built-in write protection (software and hardware options).

Features:

• Low Power Consumption:
• Active current: 1mA (typical)
• Standby current: 1µA (max)
• Self-Timed Programming Cycle (no external timing required).
• Microwire-Compatible Serial Interface (CS, SK, DI, DO).
• Software & Hardware Write Protection (WP pin for hardware protection).
• Page Write Mode (up to 16 bytes in a single operation).

This device is commonly used in automotive, industrial, and consumer electronics for parameter storage and configuration data.

Would you like additional details on pinout or timing characteristics?