Datasheet
SN54165, SN54LS165A, SN74165, SN74LS165A
PARALLEL-LOAD 8-BIT SHIFT REGISTERS
SDLS062D – OCTOBER 1976 – REVISED FEBRUARY 2002
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
†
SN54165 SN74165
UNIT
PARAMETER
TEST
CONDITIONS
†
MIN TYP
‡
MAX MIN TYP
‡
MAX
UNIT
V
IH
High-level input voltage 2 2 V
V
IL
Low-level input voltage 0.8 0.8 V
V
IK
Input clamp voltage V
CC
= MIN, I
I
= –12 mA –1.5 –1.5 V
V
OH
High-level output voltage
V
CC
= MIN,
V
IL
= 0.8 V,
V
IH
= 2 V,
I
OH
= –800 A
2.4 3.4 2.4 3.4 V
V
OL
Low-level output voltage
V
CC
= MIN,
V
IL
= 0.8 V,
V
IH
= 2 V,
I
OL
= 16 mA
0.2 0.4 0.2 0.4 V
I
I
Input current at maximum input voltage V
CC
= MAX, V
I
= 5.5 V 1 1 mA
I
IH
High level in
p
ut current
SH/LD
V
CC
= MAX
V
I
=24V
80 80
µA
I
IH
High
-
level
input
current
Other inputs
V
CC
=
MAX
,
V
I
=
2
.
4
V
40 40
µ
A
I
IL
Low level in
p
ut current
SH/LD
V
CC
= MAX
V
I
=04V
–3.2 –3.2
mA
I
IL
Low
-
level
input
current
Other inputs
V
CC
=
MAX
,
V
I
=
0
.
4
V
–1.6 –1.6
mA
I
OS
Short-circuit output current
§
V
CC
= MAX –20 –55 –18 –55 mA
I
CC
Supply current V
CC
= MAX, See Note 4 42 63 42 63 mA
NOTE 4: With the outputs open, CLK INH and CLK at 4.5 V, and a clock pulse applied to SH/LD, I
CC
is measured first with the parallel inputs
at 4.5 V, then with the parallel inputs grounded.
†
For conditions shown as MIN or MAX, use the appropriate values specified under recommended operating conditions.
‡
All typical values are at V
CC
= 5 V, T
A
= 25°C.
§
Not more than one output should be shorted at a time.
SN54165 and SN74165 switching characteristics, V
CC
= 5 V, T
A
= 25°C (see Figure 1)
PARAMETER
¶
FROM
(INPUT)
TO
(OUTPUT)
TEST CONDITIONS MIN TYP MAX
UNIT
f
max
20 26 MHz
t
PLH
LD
Any
C
L
=15
p
FR
L
= 400
21 31
ns
t
PHL
LD
Any
C
L
=
15
pF
,
R
L
=
400
27 40
ns
t
PLH
CLK
Any
C
L
=15
p
FR
L
= 400
16 24
ns
t
PHL
CLK
Any
C
L
=
15
pF
,
R
L
=
400
21 31
ns
t
PLH
H
Q
H
C
L
=15
p
FR
L
= 400
11 17
ns
t
PHL
H
Q
H
C
L
=
15
pF
,
R
L
=
400
24 36
ns
t
PLH
H
Q
H
C
L
=15
p
FR
L
= 400
18 27
ns
t
PHL
H
Q
H
C
L
=
15
pF
,
R
L
=
400
18 27
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
.