S-25A640A Datasheet (Seiko) - OPERATION SPI SERIAL E2PROM

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 8 2 7 3 6 4 5 Figure 3 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

S-25A640A, S-25A640B www.ablic.com www.ablicinc.com © ABLIC Inc., 2008-2014 FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM Rev.3.2_02 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, conta

S-25A640A 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:

* Sequen