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S-25A640B - OPERATION SPI SERIAL E2PROM

Download the S-25A640B datasheet PDF. This datasheet also covers the S-25A640A variant, as both devices belong to the same operation spi serial e2prom family and are provided as variant models within a single manufacturer datasheet.

Description

2.

Pin No.

1 SO WP 1 GND SI 1 SCK 1 HOLD 1 VCC Table 4 Description Chip sel

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (S-25A640A_Seiko.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
S-25A640B SPI SERIAL E2PROM ABLIC
S-25A640A SPI SERIAL E2PROM ABLIC
S-25A010A SPI SERIAL E2PROM ABLIC
S-25A020A SPI SERIAL E2PROM ABLIC
S-25A040A SPI SERIAL E2PROM ABLIC

Other Datasheets by Seiko Instruments

Part Number Description
S-25A640A OPERATION SPI SERIAL E2PROM
S-25A010A SPI SERIAL E2PROM
S-25A020A SPI SERIAL E2PROM
S-25A040A SPI SERIAL E2PROM
S-25A080A SPI SERIAL E2PROM

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.
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