ꢀ
ꢁ
ꢂ
ꢃ
ꢄ
ꢅ
ꢆ
ꢂ
ꢇ
ꢈ
ꢉ
ꢀ
ꢁ
ꢇ
ꢃ
ꢊ ꢆꢋꢄꢌ ꢋ ꢍꢄꢁꢀ ꢎꢄꢍꢏ ꢁꢋ ꢐꢑꢋ ꢒꢎ ꢏ ꢌꢄꢋꢆ ꢅ ꢏ
ꢄ
ꢅ
ꢆ
ꢂ
ꢇ
ꢈ
ꢀ
ꢀ
ꢓ ꢔꢋ ꢅ ꢈ ꢑꢀꢋꢄꢋ ꢏ ꢊ ꢕꢋ ꢎ ꢕꢋ
SCLS242K − OCTOBER 1995 − REVISED JANUARY 2004
recommended operating conditions (see Note 3)
SN54AHC573 SN74AHC573
UNIT
MIN
2
MAX
MIN
2
MAX
V
V
Supply voltage
5.5
5.5
V
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 2 V
= 3 V
1.5
2.1
3.85
1.5
2.1
3.85
High-level input voltage
IH
= 5.5 V
= 2 V
0.5
0.9
0.5
0.9
= 3 V
V
IL
Low-level input voltage
V
= 5.5 V
1.65
5.5
1.65
5.5
V
V
Input voltage
0
0
0
0
V
V
I
Output voltage
V
CC
V
CC
O
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 2 V
−50
−4
−8
50
4
−50
−4
−8
50
4
mA
= 3.3 V 0.3 V
= 5 V 0.5 V
= 2 V
I
High-level output current
Low-level output current
OH
mA
mA
= 3.3 V 0.3 V
= 5 V 0.5 V
= 3.3 V 0.3 V
= 5 V 0.5 V
I
OL
mA
8
8
100
20
125
100
20
85
∆t/∆v
Input transition rise or fall rate
Operating free-air temperature
ns/V
T
−55
−40
°C
A
NOTE 3: All unused inputs of the device must be held at V
or GND to ensure proper device operation. Refer to the TI application report,
CC
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
T
A
= 25°C
TYP
2
SN54AHC573 SN74AHC573
PARAMETER
TEST CONDITIONS
V
UNIT
CC
MIN
1.9
MAX
MIN
1.9
MAX
MIN
1.9
MAX
2 V
3 V
2.9
3
2.9
2.9
I
= −50 mA
OH
4.5 V
3 V
4.4
4.5
4.4
4.4
V
V
OH
OL
2.58
2.48
2.48
I
I
= −4 mA
= −8 mA
OH
4.5 V
2 V
3.94
3.8
3.8
OH
0.1
0.1
0.1
0.1
0.1
0.5
0.1
0.1
3 V
I
= 50 mA
OL
4.5 V
3 V
0.1
0.1
V
V
0.36
0.44
I
I
= 4 mA
= 8 mA
OL
4.5 V
0 V to 5.5 V
5.5 V
0.36
0.1
0.25
4
0.5
1*
0.44
1
OL
I
I
I
V = 5.5 V or GND
mA
mA
mA
pF
pF
I
I
V = V or V , V = V
or GND
I = 0
O
2.5
40
2.5
40
10
OZ
CC
I
IL
IH
O
CC
V = V
or GND,
or GND
5.5 V
I
CC
CC
C
C
V = V
5 V
2.5
3.5
10
i
I
V
= V
O CC
or GND
5 V
o
* On products compliant to MIL-PRF-38535, this parameter is not production tested at V
= 0 V.
CC
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
