S-25A640A Datasheet, PDF (2/32 Pages) Seiko Instruments Inc – Function to prevent malfunction by monitoring clock pulse

FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E²PROM
S-25A640A, S-25A640B
 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.3.2_01
Step-up Circuit
Page Latch
Memory
Cell
Array
Status
Memory Cell Array
Y Decoder
VCC
GND
Figure 1
 AEC-Q100 Qualified
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
1. 1 S-25A640A
S-25A640A 0A − J8T2 U D
Fixed
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package name (abbreviation) and IC packing specification^*1
J8T2: 8-Pin SOP (JEDEC), Tape
Fixed
Product name
S-25A640A: 64 K-bit
2