S-25A256B Datasheet, PDF (1/23 Pages) Seiko Instruments Inc – Function to prevent malfunction by monitoring clock pulse

S-25A256B
www.sii-ic.com
© SII Semiconductor Corporation, 2011-2014
FOR AUTOMOTIVE 125°C OPERATION
SPI SERIAL E²PROM
Rev.1.2_01
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 Semiconductor
Corporation 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.
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