BQ2022 Datasheet (Texas Instruments)

BQ2022, 1-Kbit Serial EPROM

The bq2022 is a 1K-bit 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 bq2022 SDQ interface (TI’s proprietary serial communications

BQ2022 Features

* D 1024 bits of One-Time Programmable (OTP) EPROM For Storage Of User-Programmable Configuration Data D Factory-Programmed Unique 64-Bit Identification Number D Bus-Interface Architecture Allowing Multiple bq2022s Attached to a Single Host D Single-Wire Interface to Reduce Circuit Board Routing D Syn