mm74hct74 Fairchild Semiconductor, mm74hct74 Datasheet - Page 2

• Manufacturer Part Number: mm74hct74
• Description: Dual D-type Flip-flop With Preset And Clear
• Manufacturer: Fairchild Semiconductor

©1984 Fairchild Semiconductor Corporation
MM74HCT74 Rev. 1.4.0
Connection Diagram
Logic Diagram
Pin Assignments for DIP, SOIC, SOP and TSSOP
2
Truth Table
Q0
were established.
Note:
1. This configuration is nonstable; that is, it will not persist
when preset and clear inputs return to their inactive
(HIGH) level.
PR
H
H
H
H
L
L
the level of Q before the indicated input conditions
CLR
H
H
H
H
L
L
Inputs
CLK
X
X
X
L
D
H
X
X
X
X
L
H
Q0
Q
H
H
L
L
(1)
Outputs
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H
Q0
Q
H
H
L
L
(1)