BQ2022A eprom equivalent, 1-kbit serial eprom.
* 1024 bits of one-time programmable (OTP) EPROM for storage of user-programmable configuration data
* Factory-programmed unique 64-bit identification number
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* Security encoding
* Inventory tracking
* Product-revision maintenance
* Battery-pack identification
SP.
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 S.
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