HD74LVC2244A
Switching Characteristics
Item
Symbol VCC (V) Min
Typ
Propagation delay time tPLH
1.8±0.15 —
—
tPHL
2.5±0.2 —
—
2.7
—
—
3.3±0.3 1.5
—
5.0±0.5 —
—
Output enable time
tZH
1.8±0.15 —
—
tZL
2.5±0.2 —
—
2.7
—
—
3.3±0.3 1.0
—
5.0±0.5 —
—
Output disable time
tHZ
1.8±0.15 —
—
tLZ
2.5±0.2 —
—
2.7
—
—
3.3±0.3 1.5
—
5.0±0.5 —
—
Between output pin skew *1 tOSLH
1.8±0.15 —
—
tOSHL
2.5±0.2 —
—
2.7
—
—
3.3±0.3 —
—
5.0±0.5 —
—
Note: 1. This parameter is characterized but not tested.
tOSLH = |tPLHm–tPLHn|, tOSHL = |tPHLm–tPHLn|
Max
10.5
7.0
6.4
5.5
4.1
13.0
9.0
8.1
7.1
5.6
10.0
8.0
7.3
6.8
5.7
2.0
2.0
1.5
1.0
1.0
Unit
ns
ns
ns
ns
(Ta = –40 to 85°C)
FROM
TO
(Input) (Output)
A
Y
G
Y
G
Y
Rev.3.00 Aug. 20, 2004 page 5 of 9