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M54HC7245 Datasheet(PDF) 4 Page - STMicroelectronics

Part # M54HC7245
Description  OCTAL BUS TRANSCEIVER (3-STATE):HC7645 NONINVERTING HC7640 INVERTING ,HC7643 INVERTING/NONINVERTING
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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DC SPECIFICATIONS
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
VP
Positive
Threshold Voltage
(An, Bn inputs)
2.0
1
1.25
1.5
1
1.5
1
1.5
V
4.5
2.3
2.7
3.15
2.3
3.15
2.3
3.15
6.0
3
3.5
4.2
3
4.2
3
4.2
VN
Negative
Threshold Voltage
(An, Bn inputs)
2.0
0.3
0.65
0.9
0.3
0.9
0.3
0.9
V
4.5
1.13
1.6
2
1.13
2
1.13
2
6.0
1.5
2.3
2.6
1.5
2.6
1.5
2.6
VH
Hysteresiis
Voltage
(An, Bn inputs)
2.0
0.3
0.6
1
0.3
1
0.3
1
V
4.5
0.6
1.1
1.4
0.6
1.4
0.6
1.4
6.0
0.8
1.2
1.7
0.8
1.7
0.8
1.7
VIH
High Level Input
Voltage
(DIR, G inputs)
2.0
1.5
1.5
1.5
V
4.5
3.15
3.15
3.15
6.0
4.2
4.2
4.2
VIL
Low Level Input
Voltage
(DIR, G inputs)
2.0
0.5
0.5
0.5
V
4.5
1.35
1.35
1.35
6.0
1.8
1.8
1.8
VOH
High Level
Output Voltage
2.0
VI =
VIH
or
VIL
IO=-20
µA
1.9
2.0
1.9
1.9
V
4.5
4.4
4.5
4.4
4.4
6.0
5.9
6.0
5.9
5.9
4.5
IO=-6.0 mA
4.18
4.31
4.13
4.10
6.0
IO=-7.8 mA
5.68
5.8
5.63
5.60
VOL
Low Level Output
Voltage
2.0
VI =
VIH
or
VIL
IO=20
µA
0.0
0.1
0.1
0.1
V
4.5
0.0
0.1
0.1
0.1
6.0
0.0
0.1
0.1
0.1
4.5
IO= 6.0 mA
0.17
0.26
0.33
0.40
6.0
IO= 7.8 mA
0.18
0.26
0.33
0.40
II
Input Leakage
Current
6.0
VI =VCC or GND
±0.1
±1
±1
µA
IOZ
Quiescent Supply
Current
6.0
VI =VCC or GND
æ0.5
±5
±1
µA
ICC
Quiescent Supply
Current
6.0
VI =VCC or GND
4
40
80
µA
M54/M74HC7245/7640/7643/7645
4/10


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