M54HC266 Datasheet, PDF (2/11 Pages) STMicroelectronics – HC266 QUAD EXCLUSIVE NOR GATE WITH OPEN DRAIN HC7266 QUAD EXCLUSIVE NOR GATE

M54/M74HC266/7266
INPUT AND OUTPUT EQUIVALENT CIRCUIT
(HC266)
INPUT AND OUTPUT EQUIVALENT CIRCUIT
(HC7266)
PIN DESCRIPTION
PIN No
1, 5, 8, 12
2, 6, 9, 13
3, 4, 10, 11
7
14
SYMBOL
1A to 4A
1B to 4B
1Y to 4Y
GND
VCC
NAME AND FUNCTION
Data Inputs
Data Inputs
Data Outputs
Ground (0V)
Positive Supply Voltage
IEC LOGIC SYMBOLS
HC266
TRUTH TABLE
A
B
L
L
L
H
H
L
H
H
Z: High Impedance
Y
7266
266
H
Z
L
L
L
L
H
Z
HC7266
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