Datasheet

 
   
SCLS456C − FEBRUARY 2001 − REVISED APRIL 2005
6
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 SN54LV166A SN74LV166A
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration
CLR low 8 9 9
ns
t
w
Pulse duration
CLK high or low
8.5 9 9
ns
CLK INH before CLK↑ 7 7 7
Data before CLK↑ 6.5 8.5 8.5
t
su
Setup time
SH/LD
before CLK↑ 7 8.5 8.5
ns
t
su
Setup time
SER before CLK↑ 8.5 9.5 9.5
ns
CLR↑ inactive before CLK↑ 6 7 7
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 SN54LV166A SN74LV166A
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration
CLR low 6 7 7
ns
t
w
Pulse duration
CLK high or low
6 7 7
ns
CLK INH before CLK↑ 5 5 5
Data before CLK↑ 5 6 6
t
su
Setup time
SH/LD
before CLK↑ 5 6 6
ns
t
su
Setup time
SER before CLK↑ 5 6 6
ns
CLR↑ inactive before CLK↑ 4 4 4
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 SN54LV166A SN74LV166A
UNIT
MIN MAX MIN MAX MIN4 MAX
UNIT
t
w
Pulse duration
CLR low 5 5 5
ns
t
w
Pulse duration
CLK high or low
4 4 4
ns
CLK INH before CLK↑ 3.5 3.5 3.5
Data before CLK↑ 4.5 4.5 4.5
t
su
Setup time
SH/LD
before CLK↑ 4 4 4
ns
t
su
Setup time
SER before CLK↑ 4 4 4
ns
CLR↑ inactive before CLK↑ 3.5 3.5 3.5
t
h
Hold time Data after CLK↑ 1 1 1 ns
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