HD74LV2G123A
Switching Characteristics
(cont)
•
V
CC
= 5.0 ± 0.5 V
Item
Symbol
T
a
= 25°C
Min
Propagation
delay time
Enable time
Disable time
t
PLH
t
PHL
t
ZH
t
ZL
t
HZ
t
LZ
—
—
—
—
—
—
—
90
0.9
Pulse width
Retrigger time
t
w
t
rr
5.0
—
—
Typ
7.3
8.5
5.9
7.5
7.3
8.7
140
100
1.0
—
20
0.95
Max
12.0
14.0
9.4
11.4
12.9
14.9
200
110
1.1
—
—
—
T
a
= –40 to 85°C
Min
1.0
1.0
1.0
1.0
1.0
1.0
—
90
0.9
5.0
—
—
Max
14.0
16.0
11.0
13.0
15.0
17.0
240
110
1.1
—
—
—
Unit Test
FROM
Conditions (Input)
ns
ns
ns
ns
µs
ms
ns
ns
µs
C
L
= 15 pF
C
L
= 50 pF
C
L
= 15 pF
C
L
= 50 pF
C
L
= 15 pF
C
L
= 50 pF
CLR
A
or B
TO
(Output)
Q
Q
CLR
Q
(Trigger)
Output pulse width t
wQ
C
L
= 50 pF,
Cext = 28 pF, Rext = 2 kΩ
C
L
= 50 pF,
Cext = 0.01
µF,
Rext = 10 kΩ
C
L
= 50 pF,
Cext = 0.1
µF,
Rext = 10 kΩ
A,
B or
CLR
A
or B
(Rext = 1 kΩ, Cext = 100 pF)
A
or B
(Rext = 1 kΩ, Cext = 0.01
µF)
Operating Characteristics
•
C
L
= 50 pF
Item
Symbol
V
CC
(V) T
a
= 25°C
Min
Power dissipation
capacitance
C
PD
3.3
5.0
—
—
Typ
28.0
31.0
Max
—
—
pF
f = 10 MHz
Unit
Test Conditions
Rev.3.00, Sep.30.2003, page 10 of 18