74VHC245(2004) 查看數據表（PDF） - STMicroelectronics

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74VHC245
(Rev.:2004)

OCTAL BUS TRANSCEIVER (3-STATE)

STMicroelectronics 

74VHC245

Table 6: DC Specifications

Test Condition

Value

Symbol

Parameter

VIH High Level Input

Voltage

VIL Low Level Input

Voltage

VOH High Level Output

Voltage

VOL Low Level Output

Voltage

IOZ High Impedance

Output Leakage

Current

II

Input Leakage

Current

ICC Quiescent Supply

Current

VCC

TA = 25°C

-40 to 85°C -55 to 125°C Unit

(V)

Min. Typ. Max. Min. Max. Min. Max.

2.0

3.0 to

5.5

2.0

3.0 to

5.5

2.0

3.0

4.5

3.0

4.5

2.0

3.0

4.5

3.0

4.5

IO=-50 µA

IO=-50 µA

IO=-50 µA

IO=-4 mA

IO=-8 mA

IO=50 µA

IO=50 µA

IO=50 µA

IO=4 mA

IO=8 mA

1.5

0.7VCC

1.5

1.5

0.7VCC

0.7VCC

V

0.5

0.3VCC

0.5

0.3VCC

0.5

0.3VCC V

1.9 2.0

1.9

1.9

2.9 3.0

2.9

2.9

4.4 4.5

4.4

4.4

V

2.58

2.48

2.4

3.94

3.8

3.7

0.0 0.1

0.1

0.1

0.0 0.1

0.1

0.1

0.0 0.1

0.1

0.1 V

0.36

0.44

0.55

0.36

0.44

0.55

5.5

VI = VIH or VIL

VO = VCC or GND

±0.25

± 2.5

± 2.5 µA

0 to

5.5

VI = 5.5V or GND

± 0.1

±1

± 1 µA

5.5 VI = VCC or GND

4

40

40 µA

3/12

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