HD74LV2G74A_15 Datasheet, PDF (4/11 Pages) Renesas Technology Corp – Single D–type Flip Flops with Preset and Clear

HD74LV2G74A
Function Table
Inputs
Outputs
PRE
CLR
CLK
D
Q
Q
L
H
X
X
H
L
H
L
X
X
L
H
L
L
X
X
H ^*1
H ^*1
H
H
↑
H
H
L
H
H
↑
L
L
H
H
H
↓
X
Q₀
Q₀
H : High level
L : Low level
X : Immaterial
↑ : Low to high transition
↓ : High to low transition
Q₀ : The level of Q immediately before the input conditions shown in the above table are determined.
Note : 1. Q and Q will remain high as long as preset and clear are low, but Q and Q are unpredictable, if preset and
clear go high simultaneously.
Pin Arrangement
CLK 1
D2
Q3
GND 4
8 V_CC
7 PRE
6 CLR
5Q
(Top view)
Rev.5.00 Apr 07, 2006 page 2 of 8