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S-25A640A Dataheets PDF



Part Number S-25A640A
Manufacturers Seiko
Logo Seiko
Description OPERATION SPI SERIAL E2PROM
Datasheet S-25A640A DatasheetS-25A640A Datasheet (PDF)

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 t.

  S-25A640A   S-25A640A



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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 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-25A640A, S-25A640B  Block Diagram CS SCK SI HOLD WP SO Voltage Detector Clock Counter Data Register Mode Decoder Output Control Circuit Address Register Status Register Read Circuit Rev.3.2_00 Step-up Circuit Page Latch Memory Cell Array Status Memory Cell Array Y Decoder VCC GND Figure 1  AEC-Q100 Qualified This IC supports AEC-Q100 for operation temperature grade 1. Contact our sales office for details of AEC-Q100 reliability specification.  Product Name Structure 1. Product name 1. 1 S-25A640A S-25A640A 0A − J8T2 U D Fixed Environmental code U: Lead-free (Sn 100%), halogen-free Package name (abbreviation) and IC packing specification*1 J8T2: 8-Pin SOP (JEDEC), Tape Fixed Product name S-25A640A: 64 K-bit 2 Seiko Instruments Inc. Rev.3.2_00 FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM S-25A640A, S-25A640B .


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