Datasheet Details
Part number:
S-25A640B, S-25A640A
Manufacturer:
Seiko
File Size:
507.36 KB
Description:
Operation spi serial e2prom.
Note:
This datasheet PDF includes multiple part numbers: S-25A640B, S-25A640A.
Please refer to the document for exact specifications by model.
S-25A640B, S-25A640A, OPERATION SPI SERIAL E2PROM
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 Table 4 Description Chip sel
S-25A640A, S-25A640B www.sii-ic.com © Seiko Instruments Inc., 2008-2014 FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM Rev.3.2_00 This IC is a SPI serial E2PROM which operates under the high temperature, at high speed, with the wide range operation for automotive components.
This IC has the capacity of 64 K-bit and the organization of 8192 words × 8-bit.
Page write and Sequential read are available.
Caution Before using the product in automobile control unit or medical equipment, contact t
S-25A640B Features
* 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.
* Write time S-25A640A: 4.0 ms max. S-25A640B: 5.0 ms max.
* SPI mode (0, 0) and (1, 1)
* Page
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