ꢀ
ꢁ
ꢏ
ꢂ
ꢁ
ꢄ
ꢃ
ꢊ
ꢄ
ꢐ
ꢆ
ꢅ
ꢑ
ꢆ
ꢊ
ꢊ
ꢇ
ꢒ
ꢋ
ꢆ
ꢎ
ꢊ
ꢈ
ꢀ
ꢏ
ꢏ
ꢁ
ꢌ
ꢉ
ꢇ
ꢋ
ꢕ
ꢃ
ꢊ
ꢊ
ꢄ
ꢅ
ꢎ
ꢅ
ꢄ
ꢕ
ꢆ
ꢏ
ꢊ
ꢇ
ꢆ
ꢀ
ꢀ
ꢉ
ꢅ
ꢊꢋ
ꢌ
ꢊ
ꢍ
ꢋ
ꢁ
ꢀ
ꢎ
ꢋ
ꢍ
ꢓ
ꢔ
ꢊ
ꢑ
ꢀ
SCLS140D − DECEMBER 1982 − REVISED AUGUST 2003
recommended operating conditions (see Note 3)
SN54HC373
MIN NOM
SN74HC373
MIN NOM
UNIT
MAX
MAX
V
V
Supply voltage
2
1.5
5
6
2
1.5
5
6
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 2 V
= 4.5 V
= 6 V
3.15
4.2
3.15
4.2
High-level input voltage
V
V
IH
= 2 V
0.5
1.35
1.8
0.5
1.35
1.8
= 4.5 V
= 6 V
V
IL
Low-level input voltage
V
V
Input voltage
0
0
V
V
0
0
V
V
V
V
I
CC
CC
Output voltage
O
CC
CC
V
CC
V
CC
V
CC
= 2 V
1000
500
400
125
1000
500
400
85
= 4.5 V
= 6 V
∆t/∆v
Input transition rise/fall time
ns
T
A
Operating free-air temperature
−55
−40
°C
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
= 25°C
SN54HC373
SN74HC373
A
PARAMETER
TEST CONDITIONS
V
UNIT
CC
MIN
TYP
MAX
MIN
1.9
4.4
5.9
3.7
5.2
MAX
MIN
1.9
MAX
2 V
4.5 V
6 V
1.9 1.998
4.4 4.499
5.9 5.999
4.4
I
= −20 µA
OH
5.9
V
V = V or V
IH
V
OH
OL
I
IL
IL
I
I
= −6 mA
4.5 V
6 V
3.98
5.48
4.3
5.8
3.84
5.34
OH
= −7.8 mA
OH
2 V
0.002
0.001
0.001
0.17
0.15
0.1
0.1
0.1
0.1
0.26
0.26
100
0.5
8
0.1
0.1
0.1
0.1
4.5 V
6 V
I
= 20 µA
OL
0.1
0.1
V
V = V or V
V
I
IH
I
I
= 6 mA
4.5 V
6 V
0.4
0.33
0.33
1000
5
OL
= 7.8 mA
0.4
OL
I
I
I
V = V
I
or 0
6 V
1000
10
nA
µA
µA
pF
I
CC
V
O
= V
or 0
6 V
0.01
OZ
CC
CC
V = V
I
or 0,
I
O
= 0
6 V
160
10
80
CC
C
2 V to 6 V
3
10
10
i
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
