Datasheet

 
  
 
SCLS401G − APRIL 1998 − REVISED APRIL 2005
4
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 SN54LV174A SN74LV174A
UNIT
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration
CLR low 6 6.5 6.5
ns
t
w
Pulse duration
CLK high or low
7 7 7
ns
t
su
Setup time before CLK↑
Data 8.5 9.5 9.5
ns
t
su
Setup time before CLK↑
CLR
inactive 4 4 4
ns
t
h
Hold time, data after CLK↑ −0.5 0 0 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 SN54LV174A SN74LV174A
UNIT
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration
CLR low 5 5 5
ns
t
w
Pulse duration
CLK high or low
5 5 5
ns
t
su
Setup time before CLK↑
Data 5 6 6
ns
t
su
Setup time before CLK↑
CLR
inactive 3 3 3
ns
t
h
Hold time, data after CLK↑ 0 0 0 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 SN54LV174A SN74LV174A
UNIT
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration
CLR low 5 5 5
ns
t
w
Pulse duration
CLK high or low
5 5 5
ns
t
su
Setup time before CLK↑
Data 4.5 4.5 4.5
ns
t
su
Setup time before CLK↑
CLR
inactive 2.5 2.5 2.5
ns
t
h
Hold time, data after CLK↑ 0.5 0.5 0.5 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 SN54LV174A SN74LV174A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
max
C
L
= 15 pF 55* 115* 50* 50
MHz
f
max
C
L
= 50 pF 45 90 40 40
MHz
t
pd
CLR
Q
C
L
= 15 pF
6.3* 17.3* 1* 19.5* 1 19.5
ns
t
pd
CLK
Q
C
L
= 15 pF
8.4* 17.1* 1* 19* 1 19
ns
t
pd
CLR
Q
8.2 21.9 1 23.5 1 23.5
t
pd
CLK
Q
C
L
= 50 pF
10.8 20.6 1 23 1 23
ns
t
sk(o)
C
L
= 50 pF
2 2
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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