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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

Click to expand full 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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