Rev.1.0
_01
125°C OPERATION SPI SERIAL E
2
PROM
FOR AUTOMOTIVE ELECTRIC COMPONENT
S-25A010A/020A/040A
The S-25A010A/020A/040A are high-speed, low-power-
consumption, SPI serial E
2
PROMs that operate over a wide
range. Their capacities are 1 Kbit, 2 Kbits, and 4 Kbits, and
their organizations are 128 words
×
8 bits, 256 words
×
8
bits, and 512 words
×
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
6.5 MHz (4.5 V to 5.5 V, at
−40°C
to
+125°C)
•
Operation frequency
•
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:
10
6
cycles/word
*1
(at
+85°C)
8
×
10
5
cycles/word
*1
(at
+105°C)
5
×
10
5
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.
1
SII [ SEIKO INSTRUMENTS INC ]
