Datasheet

 
   
SCLS457D − FEBRUARY 2001 − REVISED APRIL 2005
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range, V
CC
= 2.5 V ± 0.2 V
(unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54LV393A SN74LV393A
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration
CLK high or low 5 5 5
ns
t
w
Pulse duration
CLR high
5 5 5
ns
t
su
Setup time
CLR inactive before CLK↓ 6 6 6 ns
timing requirements over recommended operating free-air temperature range, V
CC
= 3.3 V ± 0.3 V
(unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54LV393A SN74LV393A
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration
CLK high or low 5 5 5
ns
t
w
Pulse duration
CLR high
5 5 5
ns
t
su
Setup time
CLR inactive before CLK↓ 5 5 5 ns
timing requirements over recommended operating free-air temperature range, V
CC
= 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54LV393A SN74LV393A
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration
CLK high or low 5 5 5
ns
t
w
Pulse duration
CLR high
5 5 5
ns
t
su
Setup time
CLR inactive before CLK↓ 4 4 4 ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 2.5 V ± 0.2 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 50* 90* 40* 40
MHz
f
max
C
L
= 50 pF 30 70 25 25
MHz
Q
A
7.1* 17.7* 1* 20.5* 1 20.5
t
pd
CLK
Q
B
8.5* 20.3* 1* 23.5* 1 23.5
t
pd
CLK
Q
C
C
L
= 15 pF
10* 22.5* 1* 26* 1 26
ns
Q
D
C
L
= 15 pF
11.1* 24.2* 1* 28* 1 28
ns
t
PHL
CLR Q
n
6.7* 14.8* 1* 17* 1 17
Q
A
9.3 21.3 1 24.5 1 24.5
t
pd
CLK
Q
B
10.9 23.9 1 27.5 1 27.5
t
pd
CLK
Q
C
C
L
= 50 pF
12.3 26.1 1 30 1 30
ns
Q
D
C
L
= 50 pF
13.4 27.8 1 32 1 32
ns
t
PHL
CLR Q
n
9.1 17.4 1 20 1 20
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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