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AT21CS11 Datasheet EEPROM

Manufacturer: Microchip Technology

Download the AT21CS11 datasheet PDF. This datasheet also includes the AT21CS01 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AT21CS01-Microchip.pdf) that lists specifications for multiple related part numbers.

Overview

AT21CS01/AT21CS11 Single-Wire, I/O Powered 1-Kbit (128 x 8) Serial EEPROM with a Unique, Factory-Programmed 64-Bit Serial.

Key Features

  • Low‑Voltage Operation:.
  • AT21CS01 is self-powered via the 1.7V to 3.6V pull‑up voltage on the SI/O line.
  • AT21CS11 is self-powered via the 2.7V to 4.5V pull‑up voltage on the SI/O line.
  • Internally Organized as 128 x 8 (1 Kbit).
  • Industrial Temperature Range: -40°C to +85°C.
  • Single-Wire Serial Interface with I2C Protocol Structure:.
  • Device communication is achieved through a single I/O pin.
  • Standard Speed and High-Speed Mode Op.

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