DSA00630240.pdf by Seiko Epson
- Real time clock module 4-bit REAL TIME CLOCK MODULE Product number (please refer to page 2) RTC-72421/ 72423 Q42 7 2 4 2 1 x x x x x 0 0 Q42 7 2 4 2 3 x x x x x 0 0 ¥ Built-in crystal unit all
- Original
- Unknown
- Unknown
- Unknown
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