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S-25A256B

Seiko
Part Number S-25A256B
Manufacturer Seiko
Description OPERATION SPI SERIAL E2PROM
Published Dec 20, 2011
Detailed Description S-25A256B www.sii-ic.com © Seiko Instruments Inc., 2011-2014 FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM Rev.1.2_...
Datasheet PDF File S-25A256B PDF File

S-25A256B
S-25A256B

Overview
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 × t1.
75 mm) *1.
Refer to " Endurance" for details.
*2.
For each address (Word: 8-bit) *3.
Refer to " Product Name Structure" for details.
*4.
Contact our sales office for details.
Remark Refer to "3.
Product name list" in " Product Name Structure" for details of package and product.
Seiko Instruments Inc.
1 X Decoder Input Control Circuit FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM S-25A256B  Block Diagram CS SCK SI HOLD WP SO Voltage Detector Clock Counter Data Register Mode De...


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