SN54/74LS137
FUNCTION TABLE
INPUTS
OUTPUTS
ENABLE
G1
SELECT
GL
G2
C
B
A
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
X
X
X
L
H
X
X
X
X
X
X
X
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
L
L
L
L
L
L
H
H
L
H
L
L
H
H
H
H
L
H
H
H
H
L
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
H
H
L
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
L
H
H
H
H
L
H
H
H
L
H
H
Output corresponding to stored
address, L; all others, H
H
H
L
X
X
X
H = high level, L = low level, X = irrelevant
FAST AND LS TTL DATA
5-226