BQ2022A Texas instruments

BQ2022A

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BQ2022A

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Описание

The BQ2022A is a 1-Kbit serial EPROM containing a factory-programmed, unique 48-bit identification number, 8-bit CRC generation, and the 8-bit family code (09h). A 64-bit status register controls write protection and page redirection.The BQ2022A SDQ™ interface requires only a single connection and a ground return. The DATA pin is also the sole power source for the BQ2022A.The small surface-mount package options saves printed-circuit-board space, while the low cost makes it ideal for applications such as battery pack configuration parameters, record maintenance, asset tracking, product-revision status, and access-code security.

1024 bits of one-time programmable (OTP) EPROM for storage of user-programmable configuration data
Factory-programmed unique 64-bit identification number
Single-wire interface to reduce circuit board routing
Synchronous communication reduces host interrupt overhead
15-KV IEC 61000-4-2 ESD compliance on data pin
No standby power required
Available in a 3-pin SOT-23 package and TO-92 package

Communication interface	SDQ
Features	1k-bit EPROM
Vin (typ) (V)	3.7
Vin (max) (V)	5.5
Power consumption (typ) (mW)	20
Operating temperature range (°C)	-20 to 70, 0 to 70
Rating	Catalog