IN74LV245
1
O
CTAL
B
US
T
RANSCEIVER
(3-S
TATE
)
By pinning IN74LV245 are compatible with IN74HC245A and
IN74HCT245A series. Input voltage levels are compatible with
standard CMOS levels.
Output voltage levels are compatible with input levels of CMOS,
NMOS and TTL IC
S
Supply voltage range: 2.0 to 3.2 V
Low input current: 1.0 ; 0.1 at = 25
Output current 8 m
Latch current value: not less 150 m at = 125
ESD acceptable values: not less than 2000 V as per HBM and
not less 200 V as per
N SUFFIX
PLASTIC
D SUFFIX
SOIC
1
20
1
20
ORDERING INFORMATION
IN74LV245N Plastic DIP
IN74LV245D SOIC
T
A
= -40
to 125 C
for all packages
PIN ASSIGNMENT
245
DIR
01
A
0
02
A
1
03
A
2
04
A
3
05
A
4
06
A
5
07
A
6
08
A
7
09
GND
10
20
19
18
17
16
15
14
13
12
11
B
0
B
1
B
2
B
3
B
4
B
5
B
6
B
7
OE
V
CC
FUNCTION TABLE
Inputs Inputs/Output
s
OE DIR
L L
A=B
input
L H
input
B=A
H X Z Z
BLOCK DIAGRAM
18
B
0
03
17
B
1
A
1
04
16
B
2
A
2
05
15
B
3
A
3
06
14
B
4
A
4
07
13
B
5
A
5
08
12
B
6
A
6
09
11
B
7
A
7
01
DIR
02
A
0
19
OE
Pin 20=V
CC
Pin 10 = GND
IN74LV245
2
ABSOLUTE MAXIMUM RATINGS*
Symbol Parameter Rating
Unit
V
CC
Supply voltage
-0.5 to +5.0
V
I
IK
*
1
Input diode current
20
m
I
OK
*
2
Output diode current
50
m
I
O
*
3
Output source or sink current
35
m
I
CC
V
CC
current
70
m
I
GND
GND
current
70
m
P
D
Power dissipation per package:
Plastic DIP *
4
SOIC *
4
750
500
mW
Tstg
Storage temperature range
-65 to +150
C
*
In absolute maximum ratings modes functioning is not guaranteed. Vpon lifting the
absolute maximum ratings functioning is guaranteed at the recommended operating
conditions.
*
1
Provided V
I
< -0.5 V or V
I
> V
CC
+ 0.5 V.
*
2
Provided V
O
< -0.5 V or V
O
> V
CC
+ 0.5 V.
*
3
Provided -0.5 V < V
O
< V
CC
+ 0.5 V.
*
4
When operating in the temperature range of 70
to 125C power dissipation value
decreases:
- for Plastic DIP by 12 mW/
C
- for SOIC by 8 mW/
C
RECOMMENDED OPERATING CONDITIONS
Symbol Parameter Min
Max
Unit
V
CC
Supply
voltage
1.2 3.6 V
V
IN
Input
voltage
0 V
CC
V
V
OUT
Output
voltage
0 V
CC
V
T
A
Operating ambient temperature range. For all
package types
-40 125
C
t
LH
, t
HL
Input rise and fall times
V
CC
=1.2 V
V
CC
=2.0 V
V
CC
=3.0 V
V
CC
=3.6 V
0 1000
700
500
400
ns
IN74LV245
4
AC CHARACTERISTICS(C
L
=50 pF, t
LH
= t
HL
= 6.0 ns)
Test
V
CC
,
Limits
Symbol Parameter
condition
s
V
25
C -40C to
85
C
125
C
Uni
t
min ma
x
min max mi
n
max
t
PHL,
t
PLH
from An to
Bn,
from Bn to
An
Propagation
delay
Figure 1
1.2
2.0
3.0
-
-
-
100
23
14
-
-
-
125
28
18
-
-
-
140
34
21
ns
t
PHZ
t
PLZ
from OE,
DIR to An,
Bn
3-state output
enable time
Figure 2
1.2
2.0
3.0
-
-
-
120
30
20
-
-
-
140
37
24
-
-
-
160
43
28
ns
t
PZH
t
PZL
from OE to
An, Bn
3-state output
disable time
Figure 2
1.2
2.0
3.0
-
-
-
120
28
17
-
-
-
140
35
21
-
-
-
160
43
26
t
THL,
t
TLH
HIGH-to-LOW
and LOW-to
HIGH
transition time
Figure 1
1.2
2.0
3.0
-
-
-
60
15
10
-
-
-
75
20
13
-
-
-
90
24
15
C
I
Input
capacitance
For inputs
01,19
3.0
-
7 - - - - pF
C
I/
Input
capacitance
For
inputs/
outputs
02-09,
11-18
3.0
-
20 - - -
-
C
PD
Power
dissipation
capacitance
(per one
channel)
V
I
= 0 V or
V
CC
3.0
-
50 - - -
-
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