HD74LV2G74A Datasheet, PDF (2/12 Pages) Hitachi Semiconductor – Single D-type Flip Flops with Preset and Clear

HD74LV2G74A
Outline and Article Indication
• HD74LV2G74A
Index band
Lot No.
YMW
L74
Y : Year code
(the last digit of year)
M : Month code
W : Week code
SSOP–8
Type No.
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
Q : The level of Q immediately before the input conditions shown in the above table are determined.
0
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.
Rev.3, Jul. 2001, page 2 of 12