m54hc393d STMicroelectronics, m54hc393d Datasheet - Page 3

• Manufacturer Part Number: m54hc393d
• Description: M54hc390f1r M74hc390m1r M74hc390b1r M74hc390c1r
• Manufacturer: STMicroelectronics

Table 2: Truth Table
X : Don’t Care
CLOCK
X
INPUTS
COUNT
10
12
13
14
15
11
0
1
2
3
4
5
6
7
8
9
CLEAR
H
L
L
QD
QD
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
QC
QC
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
NO CHANGE
COUNT UP
OUTPUTS
OUTPUTS
QB
QB
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
M54HC393
QA
QA
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
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