HD74LV273A
Octal D-type Flip-Flops with Clear
ADE-205-273 (Z)
1st Edition
April 1999
Description
The HD74LV273A has eight edge trigger D-type flip-flops with clear in a 20-pin package. Data on the D
input having the specified setup and hold times is transferred to the Q output on the low to high transition
of the clock input. The clear input when low, sets all outputs to a low state. Low-voltage and high-speed
operation is suitable for battery-powered products (e.g., notebook computers), and the low-power
consumption extends the battery life.
Features
鈥?/div>
V
CC
= 2.0 V to 5.5 V operation
鈥?/div>
All inputs V
IH
(Max.) = 5.5 V (@V
CC
= 0 V to 5.5 V)
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
All outputs V
O
(Max.) = 5.5 V (@V
CC
= 0 V)
Typical V
OL
ground bounce < 0.8 V (@V
CC
= 3.3 V, Ta = 25掳C)
Typical V
OH
undershoot > 2.3 V (@V
CC
= 3.3 V, Ta = 25掳C)
Output current
卤6
mA (@V
CC
= 3.0 V to 3.6 V),
卤16
mA (@V
CC
= 4.5 V to 5.5 V)
Function Table
Inputs
CLR
L
H
H
H
CLK
X
鈫?/div>
鈫?/div>
鈫?/div>
D
X
H
L
X
Output Q
L
H
L
Q
0
Note: H: High level
L: Low level
X: Immaterial
鈫?
Low to high transition
鈫?
High to low transition
Q
0
: Output level before the indicated steady state input conditions were established.
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