DC SPECIFICATIONS

Symbol

Parameter

Test Con dition s

Value

Unit

(V)

Mi n.

Typ.

Max.

Min .

Max.

High Level Input Voltage

3.0

2.1

1.5

2.1

V

4.5

3.15

2.25

3.15

5.5

3.85

2.75

3.85

Low Level Input Voltage

3.0

1.5

0.9

0.9

V

4.5

2.25

1.35

1.35

5.5

2.75

1.65

1.65

High Level Output

Voltage

3.0

µA

2.9

2.99

2.9

V

4.5

µA

4.4

4.49

4.4

5.5

µA

5.4

5.49

5.4

3.0

2.56

2.46

4.5

3.86

3.76

5.5

4.86

4.76

Low Level Output

Voltage

3.0

µA0.002

0.1

0.1

V

4.5

µA0.001

0.1

0.1

5.5

µA0.001

0.1

0.1

3.0

0.36

0.44

4.5

0.36

0.44

5.5

0.36

0.44

Input Leakage Current

5.5

±0.1

±1

µA

Quiescent Supply

Current

5.5

8

80

µA

Dynamic Output Current

(note 1, 2)

5.5

75

mA

-75

mA

1) Maximum test duration 2ms, one output loaded at time

2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50

Ω.

74AC157

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