M54HC163D1 데이터 시트보기 (PDF) - STMicroelectronics
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M54HC163D1 Datasheet PDF : 12 Pages
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M54HC163
IEC LOGIC SYMBOLS
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
INPUTS
CLEAR LOAD PE
TE CLOCK QA
L
X
X
X
L
H
L
X
X
A
H
H
X
L
H
H
L
X
H
H
H
H
H
X
X
X
X : Don’t Care
A, B, C, D: Logic level of data inputs
Carry : CARRY = TE·QA·QB·QC·QD
PIN DESCRIPTION
PIN N°
1
2
3, 4, 5, 6
7
10
9
14, 13, 12,
11
15
8
16
SYMBOL
CLEAR
CLOCK
A, B, C, D
PE
TE
LOAD
NAME AND FUNCTION
Asynchronous Master
Reset
Clock Input (LOW to
HIGH, Edge-triggered)
Data Inputs
Count Enable Input
Count Enable Carry Input
Parallel Enable Input
QA to QD Flip Flop Outputs
CARRY
GND
VCC
Terminal Count Output
Ground (0V)
Positive Supply Voltage
OUTPUTS
QB
QC
QD
L
L
L
B
C
D
NO CHANGE
NO CHANGE
COUNT UP
NO CHANGE
FUNCTION
RESET TO "0"
PRESET DATA
NO COUNT
NO COUNT
COUNT
NO COUNT
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