S-25A640A e2prom equivalent, operation spi serial e2prom.
* Packages
* Operating voltage range Read:
2.5 V ~ 5.5 V
Write:
2.5 V ~ 5.5 V
* Operation frequency S-25A640A:
5.0 MHz max.
S-25A640B:
6.5 MHz max.
.
Chip select input Serial data output Write protect input Ground Serial data input Serial clock input Hold input Power supply
2. 8-Pin TSSOP
Top view 1 2 3 4
Figure 3
8 7 6 5
Pin No.
1 2 3 4 5 6 7 8
Symbol
CS *1
SO WP *1 GND SI*1 SCK*1 HOLD *1
VCC.
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