Description
This device contains two independent positive-edge-triggered D flip-flops with complementary outputs The information on the D input is accepted by the flip-flops on the positive going edge of the clock pulse The triggering occurs at a voltage level and is not directly related to the transition time
Features
- Y Alternate military aerospace device (54LS74) is available Contact a National Semiconductor Sales Office Distributor for specifications
Connection Diagram
Dual-In-Line Package
Function Table
TL F 6373.
- 1
Order Number 54LS74DMQB 54LS74FMQB 54LS74LMQB DM54LS74AJ DM54LS74AW DM74LS74AM or DM74LS74AN See NS Package Number E20A J14A M14A N14A or W14B
Inputs
Outputs
PR
CLR
CLK
D
Q
Q
L
H
X
X
H
L
H
L
X
X
L
H
L
L
X
X
H
H
H
H
uH
H
L
H
H
u
L
L
H
H
H
L
X.
DM54LS74A Datasheet
