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IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -40
Q7391: IS25C64A(64 kbit EEPROM)
BLOCK DIAGRAM
SI
CS
WP
SCK
PIN CONFIGURATION
TERMINAL DESCRIPTION
CS
SCK
SI
SO
GND
V
CC
WP
HOLD
NC
STATUS
REGISTER
DATA
REGISTER
MODE
DECODE
LOGIC
CLOCK
HOLD
CS
1
14
2
13
SO
NC
3
12
NC
4
11
5
10
NC
WP
6
9
GND
7
8
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
Power
Write Protect
Suspends Serial Input
No Connect
VCC
GND
8192 x 8/4096 x 8
MEMORY ARRAY
OUTPUT
ADDRESS
BUFFER
DECODER
VCC
HOLD
NC
NC
NC
SCK
SI
TX-SR875
so
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