SDAS138B – DECEMBER 1983 – REVISED JANUARY 1995
recommended operating conditions
MIN NOM
MAX
UNIT
V
V
V
V
Supply voltage
4.5
2
5
5.5
CC
High-level input voltage
Low-level input voltage
High-level output current
Low-level output current
Clock frequency
V
IH
0.8
–2
20
70
V
IL
I
I
f
mA
mA
MHz
OH
OL
clock
0
4
CLK high
t
w
t
su
t
h
Pulse duration
ns
CLR low
7.2
3.5
8
Data before CLK↑
SH/LD before CLK↑
CLR high before CLK↑
Data after CLK↑
SH/LD after CLK↑
ns
Setup time
6
1
Hold time
ns
0
T
A
Operating free-air temperature
0
70
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
†
PARAMETER
TEST CONDITIONS
MIN TYP
MAX
UNIT
V
V
V
V
V
V
= 4.5 V,
I = –18 mA
–1.2
V
V
V
IK
CC
CC
CC
I
= 4.5 V to 5.5 V,
= 4.5 V,
I
= –2 mA
= 20 mA
V
CC
–2
OH
OL
OH
OL
I
0.35
0.5
0.2
0.1
40
SH/LD
I
I
I
V
CC
V
CC
V
CC
= 5.5 V,
= 5.5 V,
= 5.5 V,
V = 7 V
I
mA
µA
I
All others
SH/LD
V = 2.7 V
I
IH
IL
All others
SH/LD
20
–1
V = 0.4 V
I
mA
All others
–0.5
–112
51
‡
I
I
I
V
CC
V
CC
V
CC
= 5.5 V,
= 5.5 V
= 5.5 V
V = 2.25 V
O
–30
mA
mA
mA
O
32
36
CCH
CCL
57
†
‡
All typical values are at V
= 5 V, T = 25°C.
A
CC
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
.
OS
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
