Datasheet

December 1990 4
Philips Semiconductors Product specification
8-input NAND gate 74HC/HCT30
Fig.4 Functional diagram;
Y=ABCDEFGH.
Fig.5 Logic diagram.
FUNCTION TABLE
Notes
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
INPUTS OUTPUT
ABCDEFGH Y
L
X
X
X
X
L
X
X
X
X
L
X
X
X
X
L
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
H
H
H
H
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
L
X
X
X
X
L
X
X
X
X
L
X
X
X
X
L
H
H
H
H
HHHHHHHH L