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S-25A128B Datasheet, PDF (2/26 Pages) Seiko Instruments Inc – Write protect function during the low power supply voltage
FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM
S-25A128B
 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.1.3_01
Step-up Circuit
Page Latch
Memory
Cell
Array
Status
Memory Cell Array
Y Decoder
VCC
GND
 AEC-Q100 Qualified
Figure 1
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
S-25A128B 0A − xxxx U 3
Fixed
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package name (abbreviation) and IC packing specification*1
J8T2: 8-Pin SOP (JEDEC), Tape
T8T2: 8-Pin TSSOP, Tape
Fixed
*1. Refer to the tape drawing.
Product name
S-25A128B: 128 K-bit
Remark This IC is wafer level burn-in specification.
2