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M54HC109D 数据表(PDF) 2 Page - STMicroelectronics

部件名 M54HC109D
功能描述  RAD-HARD DUAL J-K FLIP FLOP WITH PRESET AND CLEAR
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M54HC109D 数据表(HTML) 2 Page - STMicroelectronics

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M54HC109
2/10
IEC LOGIC SYMBOLS
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X : Don’t Care
PIN N°
SYMBOL
NAME AND FUNCTION
1,15
1CLR,2CLR
Asynchronous Reset
Direct Input
2, 14, 3, 13
1J, 2J, 1K,
2K
Synchronous Inputs;
Flip-Flops 1 and 2
4, 12
1CK, 2CK
Clock Input
5, 11
1PR,2PR
Asynchronous Set Direct
Input (Active Low)
6, 10
1Q, 2Q
True Flip-Flop Outputs
7, 9
1Q,2Q
Complement Flip-Flop
Outputs
8
GND
Ground (0V)
16
Vcc
Positive Supply Voltage
INPUTS
OUTPUTS
FUNCTION
CLR
PR
JK
CK
Q
Q
L
H
XXX
L
H
CLEAR
H
L
X
X
X
H
L
PRESET
L
L
X
X
X
H
H
----
HH
L
H
Qn
QnNO CHANGE
H
H
L
L
L
H
----
HH
HH
H
L
----
HH
H
L
Qn
Qn
TOGGLE
HH
X
X
Qn
QnNO CHANGE



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