8.InternalBlockDiagramofICs

74HC374

24

74HCU04

BA6287F

BU4052

Y01
Y22
COMMON
Y3
Y34
Y15
INH 6
VEE 7
VSS 8
16
15
14
13
12
11
10
9
VDD
X2
X1
X
X0
X3
A
B
Y0
B
Y
OUT / IN
INH
VEE
X
OUT / IN
A
COMMON
Y2
Y3
Y1
X2
X1
X0
X3