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S-25A640B

Seiko
Part Number S-25A640B
Manufacturer Seiko
Description OPERATION SPI SERIAL E2PROM
Published Mar 9, 2016
Detailed Description S-25A640A, S-25A640B www.sii-ic.com © Seiko Instruments Inc., 2008-2014 FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PR...
Datasheet PDF File S-25A640B PDF File

S-25A640B
S-25A640B

Overview
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 to SII is indispensable.
 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 write: • Sequential read • Write protect: Protect area: 32 bytes / page Software, Hardware 25%, 50%, 100% • Monitoring of a write memory state by the status register • Function to prevent malfunction by mo...


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