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Description
M54HC245 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
View to exact match
M54HC245
HC640 INVERTING, HC643 INVERTING/NON INVERTING OCTAL BUS TRANSCEIVER (3-STATE): HC245 NON INVERTING
STMicroelectronics
M54HC245 Datasheet PDF : 11 Pages
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M54/M74HC245/640/643
RECOMMENDED OPERATING CONDITIONS
Symbol
V
CC
V
I
V
O
T
op
t
r
, t
f
Parameter
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature:
M54HC
Series
M74HC
Series
Input Rise and Fall Time
V
CC
= 2 V
V
CC
= 4.5 V
V
CC
= 6 V
Value
2 to 6
0 to V
CC
0 to V
CC
-55 to +125
-40 to +85
0 to 1000
0 to 500
0 to 400
Unit
V
V
V
o
C
o
C
ns
DC SPECIFICATIONS
Symbol
Parameter
V
IH
High Level Input
Voltage
V
IL
Low Level Input
Voltage
V
OH
High Level
Output Voltage
V
OL
Low Level Output
Voltage
I
I
Input Leakage
Current
I
OZ
3 State Output
Off State Current
I
CC
Quiescent Supply
Current
Test Conditions
V
CC
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
V
I
=
V
IH
I
O
=-20
µ
A
6.0 or
4.5
V
IL
I
O
=-6.0 mA
6.0
I
O
=-7.8 mA
2.0
4.5
V
I
=
V
IH
I
O
= 20
µ
A
6.0 or
4.5
V
IL
I
O
= 6.0 mA
6.0
I
O
= 7.8 mA
6.0
V
I
= V
CC
or GND
T
A
= 25
o
C
54HC and 74HC
Min. Typ. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9 2.0
4.4 4.5
5.9 6.0
4.18 4.31
5.68 5.8
0.0 0.1
0.0 0.1
0.0 0.1
0.17 0.26
0.18 0.26
±
0.1
Value
-40 to 85
o
C
74HC
Min. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9
4.4
5.9
4.13
5.63
0.1
0.1
0.1
0.33
0.33
±
1
-55 to 125
o
C
54HC
Min. Max.
1.5
3.15
4.2
0.5
1.35
1.8
1.9
4.4
5.9
4.10
5.60
0.1
0.1
0.1
0.40
0.40
±
1
6.0 V
I
= V
IH
or V
IL
V
O
= V
CC
or GND
6.0 V
I
= V
CC
or GND
±
0.5
±
5.0
µ
A
4
40
80
Unit
V
V
V
V
µ
A
µ
A
4/11
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