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S25A640 Datasheet, PDF (1/32 Pages) Seiko Instruments Inc – FOR AUTOMOTIVE 125C OPERATION | |||
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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 à 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.
ï® Features
ï® 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 à 105 cycle / word*2 (Ta = +125°C)
106 cycle / word*2 (Ta = +25°C)
3 à 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 = â40°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 Ã 6.0 Ã t1.75 mm)
⢠8-Pin TSSOP
5
8
4
1
(3.0 Ã 6.4 Ã t1.1 mm)
⢠TMSOP-8
5
8
4
1
(2.9 Ã 4.0 Ã t0.8 mm)
*1. Refer to "ï® Endurance" for details.
*2. For each address (Word: 8-bit)
*3. Refer to "ï® Product Name Structure" for details.
*4. Contact our sales office for details.
Remark Refer to "3. Product name list" in "ï® Product Name Structure" for details of package and product.
Seiko Instruments Inc.
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