Datasheet
SDAS036D − APRIL 1982 − REVISED AUGUST 1995
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS873A SN74AS873A
UNIT
PARAMETER
TEST CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
V
IK
V
CC
= 4.5 V, I
I
= −18 mA −1.2 −1.2 V
V
CC
= 4.5 V to 5.5 V, I
OH
= −2 mA V
CC
−2 V
CC
−2
V
OH
V
CC
= 4.5 V
I
OH
= −12 mA 2.4 3.2
V
V
OH
V
CC
= 4.5 V
I
OH
= −15 mA 2.4 3.3
V
V
OL
V
CC
= 4.5 V
I
OL
= 32 mA 0.25 0.5
V
V
OL
V
CC
= 4.5 V
I
OL
= 48 mA 0.35 0.5
V
I
OZH
V
CC
= 5.5 V, V
O
= 2.7 V 50 50 µA
I
OZL
V
CC
= 5.5 V, V
O
= 0.4 V −50 −50 µA
I
I
V
CC
= 5.5 V, V
I
= 7 V 0.1 0.1 mA
I
IH
V
CC
= 5.5 V, V
I
= 2.7 V 20 20 µA
I
IL
V
CC
= 5.5 V, V
I
= 0.4 V − 0.5 − 0.5 mA
I
O
‡
V
CC
= 5.5 V, V
O
= 2.25 V −30 −112 −30 −112 mA
Outputs high 68 110 68 110
I
CC
V
CC
= 5.5 V
Outputs low 67 109 67 109
mA
I
CC
V
CC
= 5.5 V
Outputs disabled 80 129 80 129
mA
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.
‡
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
OS
.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
SN54AS873A SN74AS873A
UNIT
MIN MAX MIN MAX
UNIT
t
w
*
Pulse duration
CLR low 5 5
ns
t
w
* Pulse duration
LE high
6 5
ns
t
su
*
Setup time, data before LE↓
2 2 ns
t
h
* Hold time, data after LE↓ 4.5 4.5 ns
* On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested.