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BQ2022A
SLUS724F – SEPTEMBER 2006 – REVISED JANUARY 2022
BQ2022A 1-Kbit Serial EPROM with SDQ Interface
1 Features
• 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
2 Applications
• Security encoding • Inventory tracking • Product-revision maintenance • Battery-pack identification
SPACER
SPACER
3 Description
The BQ2022A is a 1-Kbit serial EPROM containing a factory-programmed, unique 48-bit identification number, 8-bit CRC generation, a