SN54ALS573C, SN54AS573A, SN74ALS573C, SN74AS573A
OCTAL D-TYPE TRANSPARENT LATCHES
WITH 3-STATE OUTPUTS
SDAS048D – DECEMBER 1989 – REVISED JANUARY 1995
†
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
CC
Input voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
I
Voltage applied to a disabled 3-state output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V
Operating free-air temperature range, T : SN54AS573A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55°C to 125°C
A
SN74AS573A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN54AS573A
MIN NOM MAX
SN74AS573A
MIN NOM MAX
UNIT
V
V
V
Supply voltage
4.5
2
5
5.5
4.5
2
5
5.5
V
V
CC
High-level input voltage
Low-level input voltage
High-level output current
Low-level output current
Pulse duration, LE high
Setup time, data before LE↓
Hold time, data after LE↓
Operating free-air temperature
IH
0.8
–12
32
0.8
–15
48
V
IL
I
I
mA
mA
ns
ns
ns
°C
OH
OL
t *
w
5.5
2
4.5
2
t
*
su
t *
3
3
h
T
A
–55
125
0
70
* On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
SN54AS573A
SN74AS573A
PARAMETER
TEST CONDITIONS
UNIT
‡
‡
MIN TYP
MAX
MIN TYP
MAX
V
V
V
= 4.5 V,
I = –18 mA
–1.2
–1.2
V
IK
CC
I
= 4.5 V to 5.5 V,
I
I
I
I
I
= –2 mA
= –12 mA
= –15 mA
= 32 mA
= 48 mA
= 2.7 V
V
–2
V
CC
–2
CC
OH
OH
OH
OL
OL
CC
2.4
V
OH
3.2
V
V
= 4.5 V
= 4.5 V
CC
CC
2.4
3.3
0.28
0.5
V
OL
V
V
0.33
0.5
50
I
I
I
I
I
I
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
V
50
–50
0.1
µA
µA
OZH
OZL
I
O
O
V
= 0.4 V
–50
0.1
V = 7 V
I
mA
µA
V = 2.7 V
I
20
20
IH
V = 0.4 V
I
–0.1
–112
93
–0.5
–112
93
mA
mA
IL
§
V
O
= 2.25 V
–30
–30
O
Outputs high
Outputs low
56
55
65
56
55
65
I
V
CC
= 5.5 V
90
90
mA
CC
Outputs disabled
106
106
‡
§
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
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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