M54HC7240 查看數據表（PDF） - STMicroelectronics

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M54HC7240

OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC7240: INVERTED - HC7241/7244 NON INVERTED

STMicroelectronics 

M54/M74HC7240/7241/7244

DC SPECIFICATIONS

Symbol

Parameter

Test Conditions

VCC

(V)

TA = 25 oC

54HC and 74HC

Value

-40 to 85 oC -55 to 125 oC Unit

74HC

54HC

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

VP High Level

2.0

Threshold

4.5

Voltage

6.0

1.0 1.25 1.5 1.0 1.5 1.0 1.5

2.3 2.7 3.15 2.3 3.15 2.3 3.15 V

3.0 3.5 4.2 3.0 4.2 3.0 4.2

VN Low Level

2.0

Threshold

4.5

Voltage

6.0

0.3 0.65 0.9 0.3 0.9 0.3 0.9

1.13 1.6 2.0 1.13 2.0 1.13 2.0

V

1.5 2.3 2.6 1.5 2.6 1.5 2.6

VH Hysteresis

2.0

Voltage

4.5

0.3 0.6 1.0 0.3 1.0 0.3 1.0

0.6 1.1 1.4 0.6 1.4 0.6 1.4

V

6.0

0.8 1.2 1.7 0.8 1.7 0.8 1.7

VOH High Level

Output Voltage

2.0

4.5

VI =

VIH

IO=-20 µA

1.9

4.4

2.0

4.5

1.9

4.4

1.9

4.4

6.0 or

5.9 6.0

5.9

5.9

V

4.5 VIL 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 2.0

0.0 0.1

0.1

0.1

Voltage

4.5

IO= 20 µA

0.0 0.1

0.1

0.1

6.0

0.0 0.1

0.1

0.1

V

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 = VIH or VIL

VO = VCC or GND

±0.1

±1

±1 µA

IOZ

3 State Output

Off State Current

6.0 VI = VCC or GND

±0.5

±5

±10 µA

ICC Quiescent Supply 6.0 VI = VCC or GND

Current

4

40

80 µA

5/12

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