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93CS66LM Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
93CS66LMNS384Yes

93CS66LM** is a serial Electrically Erasable Programmable Read-Only Memory (EEPROM) manufactured by **National Semiconductor (NS)**.

The 93CS66LM is a serial Electrically Erasable Programmable Read-Only Memory (EEPROM) manufactured by National Semiconductor (NS). Below are its key specifications, descriptions, and features:

Specifications:

  • Memory Size: 4Kbit (512 x 8 or 256 x 16)
  • Interface: Microwire (3-wire serial interface)
  • Supply Voltage: 2.5V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Write Cycle Time: 5ms (typical)
  • Endurance: 1,000,000 write cycles
  • Data Retention: 100 years
  • Package Options: 8-pin SOIC, PDIP

Descriptions:

  • The 93CS66LM is a low-power, high-reliability EEPROM designed for serial data storage.
  • It supports both 8-bit and 16-bit word organizations.
  • Features a sequential read operation for faster access.
  • Includes built-in write protection via software control.

Features:

  • Low Power Consumption: Ideal for battery-powered applications.
  • Self-Timed Write Cycle: Simplifies programming.
  • Software-Controlled Write Protection: Prevents accidental data corruption.
  • Sequential Read Mode: Enhances data retrieval speed.
  • Wide Voltage Range: Compatible with 2.5V to 5.5V systems.

This EEPROM is commonly used in embedded systems, automotive electronics, and industrial applications requiring non-volatile memory storage.

(Note: National Semiconductor was acquired by Texas Instruments in 2011, but legacy NS parts like the 93CS66LM may still be available.)

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