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S-25A640A

Seiko
Part Number S-25A640A
Manufacturer Seiko
Description OPERATION SPI SERIAL E2PROM
Published Aug 18, 2009
Detailed Description S-25A640A, S-25A640B www.sii-ic.com © Seiko Instruments Inc., 2008-2014 FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PR...
Datasheet PDF File S-25A640A PDF File

S-25A640A
S-25A640A

Overview
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.
• 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 • 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 S-25A640A: S-25A640B: 106 cycle / word*2 (Ta = +25°C) 5 × 105 cycle / word*2 (Ta = +125°C) 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: 64 K-bit • Initial delivery state: FFh, SRWD = 0, BP1 = 0, BP0 = 0 • Burn-in specification: 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) • 8-Pin TSSOP 5 8 4 1 (3.
0 × 6.
4 × t1.
1 mm) • TMSOP-8 5 8 4 1 (2.
9 × 4.
0 × t0.
8 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 ...


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