80
TRUTH TABLE (HC4053)
INPUT STATES
”ON” CHANNELS
INHIBIT A or B or C
L L ax or bx or cx
L H ay or by or cy
H X NONE
X: DON’T CARE
PIN No SYMBOL NAME AND FUNCTION
2, 1 bx, by Independent Input/Outputs
5, 3 cx, cy Independent Input/Outputs
6 INH INHIBIT Input
7V
EE
Negative Supply Voltage
11, 10, 9 A, B, C Select Inputs
12, 13 ax, ay Independent Input/Outputs
14, 15, 4 ax TO cy Common Output/input
8 GND Ground (0V)
16 V
CC
Positive Supply Voltage
CONTROL
INPUT
LOGIC
PROGRAM/ERASE
HIGH VOLTAGE
WRITE
STATE
MACHINE
(WSM)
STATE
REGISTER
MX29LV400T/B
FLASH
ARRAY
X-DECODER
ADDRESS
LATCH
AND
BUFFER
Y-PASS GATE
Y-DECODER
ARRAY
SOURCE
HV
COMMAND
DATA
DECODER
COMMAND
DATA LATCH
I/O BUFFER
PGM
DATA
HV
PROGRAM
DATA LATC H
SENSE
AMPLIFIER
Q0-Q15/A-1
A0-A17
CE
OE
WE
RESET
IC30 : M74HC4053
IC40 : M29W400DT
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