m54hc109k1 STMicroelectronics, m54hc109k1 Datasheet - Page 2

• Manufacturer Part Number: m54hc109k1
• Description: Dual J-k Flip Flop With Preset And Clear
• Manufacturer: STMicroelectronics

M54HC109
IEC LOGIC SYMBOLS
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X : Don’t Care
2/10
CLR
H
H
H
H
H
H
L
L
PR
H
H
H
H
H
H
L
L
INPUTS
H
H
X
X
X
X
J
L
L
K
H
H
X
X
X
X
L
L
CK
X
X
X
PIN DESCRIPTION
2, 14, 3, 13
PIN N°
4, 12
6, 10
5, 11
1,15
7, 9
16
8
Qn
Qn
Qn
Q
H
H
H
L
L
OUTPUTS
1CLR, 2CLR
1J, 2J, 1K,
1CK, 2CK
1PR, 2PR
SYMBOL
1Q, 2Q
1Q, 2Q
GND
Vcc
2K
Qn
Qn
Qn
Q
H
H
H
L
L
Asynchronous Reset
Direct Input
Synchronous Inputs;
Flip-Flops 1 and 2
Clock Input
Asynchronous Set Direct
Input (Active Low)
True Flip-Flop Outputs
Complement Flip-Flop
Outputs
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
NO CHANGE
NO CHANGE
FUNCTION
TOGGLE
PRESET
CLEAR
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