Datasheet
SCLS457D − FEBRUARY 2001 − REVISED APRIL 2005
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operation free-air temperature range,
V
CC
= 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
T
A
= 25°C SN54LV393A SN74LV393A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
max
C
L
= 15 pF 75* 130* 65* 65
MHz
f
max
C
L
= 50 pF 45 105 35 35
MHz
Q
A
5.1* 13.2* 1* 15.5* 1 15.5
t
pd
CLK
Q
B
6* 15.8* 1* 18.5* 1 18.5
t
pd
CLK
Q
C
C
L
= 15 pF
7* 18* 1* 21* 1 21
ns
Q
D
C
L
= 15 pF
7.7* 19.7* 1* 23* 1 23
ns
t
PHL
CLR Q
n
5.1* 12.3* 1* 14.5* 1 14.5
Q
A
6.7 16.7 1 19 1 19
t
pd
CLK
Q
B
7.8 19.3 1 22 1 22
t
pd
CLK
Q
C
C
L
= 50 pF
8.7 21.5 1 24.5 1 24.5
ns
Q
D
C
L
= 50 pF
9.5 23.2 1 26.5 1 26.5
ns
t
PHL
CLR Q
n
6.8 15.8 1 18 1 18
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
T
A
= 25°C SN54LV393A SN74LV393A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
max
C
L
= 15 pF 125* 185* 105* 105
MHz
f
max
C
L
= 50 pF 85 150 75 75
MHz
Q
A
3.7* 8.5* 1* 10* 1 10
t
pd
CLK
Q
B
4.3* 9.8* 1* 11.5* 1 11.5
t
pd
CLK
Q
C
C
L
= 15 pF
4.9* 11.2* 1* 13* 1 13
ns
Q
D
C
L
= 15 pF
5.3* 12.5* 1* 14.5* 1 14.5
ns
t
PHL
CLR Q
n
3.9* 8.1* 1* 9.5* 1 9.5
Q
A
4.9 10.5 1 12 1 12
t
pd
CLK
Q
B
5.6 11.8 1 13.5 1 13.5
t
pd
CLK
Q
C
C
L
= 50 pF
6.2 13.2 1 15 1 15
ns
Q
D
C
L
= 50 pF
6.6 14.5 1 16.5 1 16.5
ns
t
PHL
CLR Q
n
5.2 10.1 1 11.5 1 11.5
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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