OPERATION SPI SERIAL E2PROM
S-25A256B
www.sii-ic.com © Seiko Instruments Inc., 2011-2014
FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM
Rev.1.2_...
Description
S-25A256B
www.sii-ic.com © Seiko Instruments Inc., 2011-2014
FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM
Rev.1.2_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 256 K-bit and the organization of 32768 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
Package
Operating voltage range Read:
2.5 V ~ 5.5 V
Write:
2.5 V ~ 5.5 V
Operation frequency: Write time: SPI mode (0, 0) and (1, 1) Page write: Sequential read Write protect:
Protect area:
5.0 MHz max. 5.0 ms max.
64 bytes / page
Software, Hardware 25%, 50%, 100%
Monitoring of a write memory state by the status register Function to prevent malfunction by monitoring clock pulse Write protect function during the low power supply voltage
CMOS schmitt input ( CS , SCK, SI, WP , HOLD )
Endurance*1:
106 cycle / word *2 (Ta = +25°C) 3 × 105 cycle / word *2 (Ta = +125°C)
Data retention:
100 years (Ta = +25°C)
50 years (Ta = +125°C)
Memory capacity:
256 K-bit
Initial delivery state:
FFh, SRWD = 0, BP1 = 0, BP0 = 0
Burn-in specifications:
Wafer level burn-in
Operation temperature range: Ta = −40°C to +125°C Lead-free (Sn 100%), halogen-free*3 AEC-Q100 qualified*4
8-Pin SOP (JEDEC)
5 8
4 1
(5.0 × 6.0 × ...
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