AT21CS01-STUM10-T， MICROCHIP，封装SOT-23。百分百原装正品，价格优惠，支持实单有量，可订货，先到先得！！！更多信息和型号可加QQ：3005150307！！！

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 I2

C 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

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