Datasheet

SN54165, SN54LS165A, SN74165, SN74LS165A
PARALLEL-LOAD 8-BIT SHIFT REGISTERS
SDLS062D – OCTOBER 1976 – REVISED FEBRUARY 2002
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LS165A and SN74LS165A switching characteristics, V
CC
= 5 V, T
A
= 25°C (see Figure 2)
PARAMETER
†
FROM
(INPUT)
TO
(OUTPUT)
TEST CONDITIONS MIN TYP MAX
UNIT
f
max
25 35 MHz
t
PLH
LD
Any
R
L
=2k C
L
=15
p
F
21 35
ns
t
PHL
LD
Any
R
L
=
2
k
,
C
L
=
15
pF
26 35
ns
t
PLH
CLK
Any
R
L
=2k C
L
=15
p
F
14 25
ns
t
PHL
CLK
Any
R
L
=
2
k
,
C
L
=
15
pF
16 25
ns
t
PLH
H
Q
H
R
L
=2k C
L
=15
p
F
13 25
ns
t
PHL
H
Q
H
R
L
=
2
k
,
C
L
=
15
pF
24 30
ns
t
PLH
H
Q
H
R
L
=2k C
L
=15
p
F
19 30
ns
t
PHL
H
Q
H
R
L
=
2
k
,
C
L
=
15
pF
17 25
ns
†
f
max
= maximum clock frequency, t
PLH
= propagation delay time, low-to-high-level output, t
PHL
= propagation delay time, high-to-low-level output
The SN54165 and SN74165 devices
are obsolete and are no longer supplied
.