Datasheet
SN54LV164A, SN74LV164A
8-BIT PARALLEL-OUT SERIAL SHIFT REGISTERS
SCLS403H − APRIL 1998 − 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 SN54LV164A SN74LV164A
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
Pulse duration
CLR low 6 6.5 6.5
ns
t
w
Pulse duration
CLK high or low
6.5 7.5 7.5
ns
t
Setup time
Data before CLK↑ 6.5 8.5 8.5
ns
t
su
Setup time
CLR
inactive 3 3 3
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 SN54LV164A SN74LV164A
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
Pulse duration
CLR low 5 5 5
ns
t
w
Pulse duration
CLK high or low
5 5 5
ns
t
Setup time
Data before CLK↑ 5 6 6
ns
t
su
Setup time
CLR
inactive 2.5 2.5 2.5
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 SN54LV164A SN74LV164A
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
Pulse duration
CLR low 5 5 5
ns
t
w
Pulse duration
CLK high or low
5 5 5
ns
t
Setup time
Data before CLK↑ 4.5 4.5 4.5
ns
t
su
Setup time
CLR
inactive 2.5 2.5 2.5
ns
t
h
Hold time
Data after CLK↑ 1 1 1 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 SN54LV164A SN74LV164A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
C
L
= 15 pF 55* 105* 50* 50
MHz
f
max
C
L
= 50 pF 45 85 40 40
MHz
t
pd
CLK
Q
C
L
=15pF
9.2* 17.6* 1* 20* 1 20
ns
t
PHL
CLR
Q
C
L
= 15 pF
8.6* 16* 1* 18* 1 18
ns
t
pd
CLK
Q
C
L
=50pF
11.5 21.1 1 24 1 24
ns
t
PHL
CLR
Q
C
L
= 50 pF
10.8 19.5 1 22 1 22
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.