AT21CS01 datasheet(1/47 Pages) MICROCHIP

部件名	AT21CS01

功能描述	Single-Wire, I/O Powered 1-Kbit (128 x 8) Serial EEPROM with a Unique, Factory-Programmed 64-Bit Serial Number

PDF	47 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

标志

1 / 47 page

AT21CS01/AT21CS11

Single-Wire, I/O Powered 1-Kbit (128 x 8) Serial EEPROM

with a Unique, Factory-Programmed 64-Bit Serial Number

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 Words of Eight 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:

–

15.4 kbps maximum bit rate in Standard Speed mode (AT21CS01 only)

–

125 kbps maximum bit rate in High-Speed mode (AT21CS01 and AT21CS11)

•

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 eight bytes contains a factory-programmed, read-only, 64

‑bit serial number that is

unique to all Microchip single

‑wire products

–

Next eight bytes are reserved for future use and will read FFh

–

Upper 16 bytes are user

‑programmable and permanently lockable

•

Self

‑Timed Write Cycle (5 ms maximum)

•

Manufacturer Identification Register:

–

Device responds with unique value for Microchip 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 (±8 kV Contact, ±15 kV Air Discharge)

•

Green (Lead-free/Halide-free/RoHS Compliant) Package Options

•

Die Sale Options in Wafer Form and Tape and Reel

Packages

2-pad XSFN, 3-lead SOT23, 8-lead SOIC and 4-ball thin WLCSP.

Datasheet

DS20005857A-page 1

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