Datasheet
SN54ABT573, SN74ABT573A
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCBS190F − JANUARY 1991 − REVISED SEPTEMBER 2003
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
T
A
= 25°C SN54ABT573 SN74ABT573A
UNIT
PARAMETER TEST CONDITIONS
MIN TYP
†
MAX MIN MAX MIN MAX
UNIT
V
IK
V
CC
= 4.5 V, I
I
= −18 mA −1.2 −1.2 −1.2 V
V
CC
= 4.5 V, I
OH
= −3 mA
2.5 2.5 2.5
V
V
CC
= 5 V, I
OH
= −3 mA
3 3 3
V
V
OH
V 45V
I
OH
= −24 mA
2 2
V
V
CC
= 4.5 V
I
OH
= −32 mA
2* 2
V
V 45V
I
OL
= 48 mA
0.55 0.55
V
V
OL
V
CC
= 4.5 V
I
OL
= 64 mA
0.55* 0.55
V
V
hys
100 mV
I
I
V
CC
= 5.5 V, V
I
= V
CC
or GND ±1 ±1 ±1 μA
I
OZH
V
CC
= 5.5 V, V
O
= 2.7 V 10
‡
10
‡
10
‡
μA
I
OZL
V
CC
= 5.5 V, V
O
= 0.5 V −10
‡
−10
‡
−10
‡
μA
I
off
V
CC
= 0, V
I
or V
O
≤ 4.5 V ±100 ±100 μA
I
CEX
V
CC
= 5.5 V, V
O
= 5.5 V Outputs high 50 50 50 μA
I
O
§
V
CC
= 5.5 V, V
O
= 2.5 V −50 −100 −180 −50 −180 −50 −180 mA
V 55V I 0
Outputs high
1 250 250 250
μA
I
CC
V
CC
= 5.5 V, I
O
= 0,
V
I
=V
CC
or GND
Outputs low
24 30 30 30
mA
I
CC
V
I
=
V
CC
or
GND
Outputs disabled
0.5 250 250 250
μA
ΔI
CC
¶
V
CC
= 5.5 V, One input at 3.4 V,
Other inputs at V
CC
or GND
1.5 1.5 1.5 mA
C
i
V
I
= 2.5 V or 0.5 V 3.5 pF
C
o
V
O
= 2.5 V or 0.5 V 6.5 pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
†
All typical values are at V
CC
= 5 V.
‡
This data sheet limit may vary among suppliers.
§
Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
¶
This is the increase in supply current for each input that is at the specified TTL voltage level, rather than V
CC
or GND.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
SN54ABT573
V
CC
= 5 V,
T
A
= 25°C
MIN MAX
UNIT
MIN MAX
MIN
MAX
t
w
Pulse duration, LE high 3.3 3.3 ns
t
Setup time data before LE↓
High 1.9 2.5
ns
t
su
Setup time, data before LE
↓
Low 1.5 2.5
ns
t
h
Hold time, data after LE↓ 1 2.5 ns