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25A010A Datasheet, PDF (1/32 Pages) Seiko Instruments Inc – AUTOMOTIVE ELECTRIC COMPONENT | |||
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Rev.1.0_01
125°C OPERATION SPI SERIAL E2PROM
FOR AUTOMOTIVE ELECTRIC COMPONENT
S-25A010A/020A/040A
The S-25A010A/020A/040A are high-speed, low-power-
consumption, SPI serial E2PROMs that operate over a wide
range. Their capacities are 1 Kbit, 2 Kbits, and 4 Kbits, and
their organizations are 128 words à 8 bits, 256 words à 8
bits, and 512 words à 8 bits, respectively. They feature
page writing and sequential reading.
 Features
⢠Wide range operation Read: 2.5 V to 5.5 V
Write: 2.5 V to 5.5 V
⢠Operation frequency
6.5 MHz (4.5 V to 5.5 V, at â40°C to +125°C)
⢠SPI mode (0, 0) and (1, 1)
⢠Page Write 16 bytes / page
⢠Sequential read
⢠Monitors Write to the memory by a status register
⢠Write protect:
Software, Hardware
⢠Protect area:
25%, 50%, 100%
⢠Write protect function during the low power supply
⢠Function to prevent malfunction by monitoring clock pulse
⢠CMOS schmitt input ( CS , SCK, SI, WP , HOLD )
⢠Endurance:
106cycles/word*1 (at +85°C)
8 à 105 cycles/word*1 (at +105°C)
5 à 105 cycles/word*1 (at +125°C)
*1. For each address (Word: 8-bit)
⢠Data retention:
100 years (at +25°C), 50 years (at +125°C)
⢠Memory capacitance:
S-25A010A 1 Kbit
S-25A020A 2 Kbits
S-25A040A 4 Kbits
⢠Data before shipment: Memory array FFh, BP1 = 0, BP0 = 0
⢠Lead-free product
 Package
Package name
8-Pin SOP (JEDEC)
Package
FJ008-A
Drawing code
Tape
FJ008-D
Reel
FJ008-D
Caution Before using the product in medical equipment or automobile equipment including car audio,
keyless entry and engine control unit, contact to SII is indispensable.
Seiko Instruments Inc.
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