DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Limits
Symbol
V
IH
V
IL
V
T+
−V
T−
V
IK
V
OH
Parameter
Input HIGH Voltage
Input LOW Voltage
Hysteresis
Input Clamp Diode Voltage
Output HIGH Voltage
2.4
2.0
0.25
0.35
0.4
0.5
20
−200
A or B, DR or
E
I
IH
Input HIGH Current
DR or E
A or B
I
IL
I
OS
Input LOW Current
Output Short Circuit Current (Note 2)
Power Supply Current
Total, Output HIGH
I
CC
Total, Output LOW
−40
20
0.1
0.1
−0.2
−225
70
90
mA
V
CC
= MAX
0.2
0.4
−0.65
3.4
−1.5
Min
2.0
0.8
Typ
Max
Unit
V
V
V
V
V
V
V
V
μA
μA
μA
mA
mA
mA
mA
Test Conditions
Guaranteed Input HIGH Voltage for
All Inputs
Guaranteed Input LOW Voltage for
All Inputs
V
CC
= MIN
V
CC
= MIN, I
IN
=
−
18 mA
V
CC
= MIN, I
OH
=
−
3.0 mA
V
CC
= MIN, I
OH
= MAX
I
OL
= 12 mA
I
OL
= 24 mA
V
CC
= V
CC
MIN,
V
IN
= V
IL
or V
IH
per Truth Table
V
OL
I
OZH
I
OZL
Output LOW Voltage
Output Off Current HIGH
Output Off Current LOW
V
CC
= MAX, V
OUT
= 2.7 V
V
CC
= MAX, V
OUT
= 0.4 V
V
CC
= MAX, V
IN
= 2.7 V
V
CC
= MAX, V
IN
= 7.0 V
V
CC
= MAX, V
IN
= 5.5 V
V
CC
= MAX, V
IN
= 0.4 V
V
CC
= MAX
Total at HIGH Z
95
2. Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
(T
A
= 25°C, V
CC
= 5.0 V, T
RISE
/ T
FALL
≤
6.0 ns)
Limits
Symbol
t
PLH
t
PHL
t
PZH
t
PZL
t
PLZ
t
PHZ
Parameter
Propagation Delay, Data to Output
Output Enable Time to HIGH Level
Output Enable Time to LOW Level
Output Disable Time from LOW Level
Output Disable Time from HIGH Level
Min
Typ
8.0
8.0
25
27
15
15
Max
12
12
40
40
25
25
Unit
ns
ns
ns
ns
ns
C
L
= 5.0 pF,
R
L
= 667
Ω
C
L
= 45 pF,
R
L
= 667
Ω
Test Conditions
http://onsemi.com
2
SN74LS245
PACKAGE DIMENSIONS
N SUFFIX
PLASTIC PACKAGE
CASE 738−03
ISSUE E
−A−
20
1
11
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE MOLD
FLASH.
DIM
A
B
C
D
E
F
G
J
K
L
M
N
INCHES
MIN
MAX
1.010
1.070
0.240
0.260
0.150
0.180
0.015
0.022
0.050 BSC
0.050
0.070
0.100 BSC
0.008
0.015
0.110
0.140
0.300 BSC
0
_
15
_
0.020
0.040
MILLIMETERS
MIN
MAX
25.66
27.17
6.10
6.60
3.81
4.57
0.39
0.55
1.27 BSC
1.27
1.77
2.54 BSC
0.21
0.38
2.80
3.55
7.62 BSC
0
_
15
_
0.51
1.01
B
10
C
L
−T−
SEATING
PLANE
K
E
G
F
D
20 PL
N
J
0.25 (0.010)
M
20 PL
M
0.25 (0.010)
T A
M
M
T B
M
D SUFFIX
PLASTIC SOIC PACKAGE
CASE 751D−05
ISSUE F
D
A
11
X 45
_
q
NOTES:
1. DIMENSIONS ARE IN MILLIMETERS.
2. INTERPRET DIMENSIONS AND TOLERANCES
PER ASME Y14.5M, 1994.
3. DIMENSIONS D AND E DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
5. DIMENSION B DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE PROTRUSION SHALL
BE 0.13 TOTAL IN EXCESS OF B DIMENSION AT
MAXIMUM MATERIAL CONDITION.
DIM
A
A1
B
C
D
E
e
H
h
L
q
MILLIMETERS
MIN
MAX
2.35
2.65
0.10
0.25
0.35
0.49
0.23
0.32
12.65
12.95
7.40
7.60
1.27 BSC
10.05
10.55
0.25
0.75
0.50
0.90
0
_
7
_
H
M
B
M
20
10X
0.25
E
1
10
20X
B
0.25
M
B
T A
S
B
S
A
e
SEATING
PLANE
h
18X
A1
T
C
http://onsemi.com
3
L
SN74LS245
PACKAGE DIMENSIONS
M SUFFIX
SOEIAJ PACKAGE
CASE 967−01
ISSUE O
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS D AND E DO NOT INCLUDE MOLD
FLASH OR PROTRUSIONS AND ARE MEASURED
AT THE PARTING LINE. MOLD FLASH OR
PROTRUSIONS SHALL NOT EXCEED 0.15 (0.006)
PER SIDE.
4. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
5. THE LEAD WIDTH DIMENSION (b) DOES NOT
INCLUDE DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08 (0.003)
TOTAL IN EXCESS OF THE LEAD WIDTH
DIMENSION AT MAXIMUM MATERIAL CONDITION.
DAMBAR CANNOT BE LOCATED ON THE LOWER
RADIUS OR THE FOOT. MINIMUM SPACE
BETWEEN PROTRUSIONS AND ADJACENT LEAD
TO BE 0.46 ( 0.018).
DIM
A
A
1
b
c
D
E
e
H
E
L
L
E
M
Q
1
Z
MILLIMETERS
MIN
MAX
−−−
2.05
0.05
0.20
0.35
0.50
0.18
0.27
12.35
12.80
5.10
5.45
1.27 BSC
7.40
8.20
0.50
0.85
1.10
1.50
10
_
0
_
0.70
0.90
−−−
0.81
INCHES
MIN
MAX
−−−
0.081
0.002
0.008
0.014
0.020
0.007
0.011
0.486
0.504
0.201
0.215
0.050 BSC
0.291
0.323
0.020
0.033
0.043
0.059
10
_
0
_
0.028
0.035
−−−
0.032
20
11
L
E
Q
1
M
_
L
DETAIL P
E H
E
1
10
Z
D
e
A
VIEW P
c
b
0.13 (0.005)
M
A
1
0.10 (0.004)
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