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AT21CS01

Atmel
Part Number AT21CS01
Manufacturer Atmel
Description EEPROM
Published Oct 2, 2020
Detailed Description AT21CS01 Single-Wire, I/O Powered Serial EEPROM with a Unique, Factory Programmed 64-bit Serial Number 1-Kbit (128 x 8) ...
Datasheet PDF File AT21CS01 PDF File

AT21CS01
AT21CS01

Overview
AT21CS01 Single-Wire, I/O Powered Serial EEPROM with a Unique, Factory Programmed 64-bit Serial Number 1-Kbit (128 x 8) DATASHEET Features  Low voltage operation ̶ Device is self-powered via 1.
7V to 3.
6V pull-up voltage on the SI/O line  Internally organized as 128 words of 8 bits each (1-Kbit)  Single-Wire serial interface with I2C protocol structure ̶ Device communication is achieved through a single I/O pin  Standard Speed and High Speed Mode options ̶ 15.
4kbps maximum bit rate in Standard Speed Mode ̶ 125kbps maximum bit rate in High Speed Mode  8-byte Page Write or single Byte Writes allowed  Discovery Response feature for quick detection of devices on the bus  ROM Zone support ̶ Device is segmented into four 256-bit zones, each of which can be permanently made read-only (ROM)  256-bit Security Register ̶ Lower 8 bytes contains a factory programmed, read-only, 64-bit Serial Number that is unique to all Atmel Single-Wire products ̶ Upper 16 bytes are user-programmable and permanently lockable  Self-timed write cycle (5ms max)  Manufacturer Identification support ̶ Device responds with unique value for Atmel as well as density and revision information  High reliability ̶ Endurance: 1,000,000 write cycles ̶ Data retention: 100 years ̶ IEC 61000-4-2 Level 4 ESD Compliant (±8kV Contact, ±15kV Air Discharge)  Green (Lead-free/Halide-free/RoHS Compliant) package options ̶ 8-lead SOIC, 3-lead SOT23, and 4-ball Thin WLCSP  Die sale options in wafer form and tape and reel Description The Atmel® AT21CS01 provides 1,024 bits of Serial Electrically Erasable and Programmable Read-Only Memory (EEPROM) organized as 128 words of 8 bits each.
The device’s software addressing scheme allows up to eight devices to share a common Single-Wire bus.
The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operation are essential.
Some applications examples include analog sensor calibration data storage, ink and toner pr...


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