HD74LV21A

Rev.3.00 Jun. 01, 2004 page 4 of 8

DC Electrical Characteristics

Ta = –40 to 85°C

Item

Symbol

Min

Typ

Max

Unit

Test Conditions

2.0

1.5

—

—

2.3 to 2.7

× 0.7

—

—

3.0 to 3.6

× 0.7

—

—

4.5 to 5.5

× 0.7

—

—

2.0

—

—

0.5

2.3 to 2.7

—

—

× 0.3

3.0 to 3.6

—

—

× 0.3

Input voltage

4.5 to 5.5

—

—

× 0.3

V

Min to Max

—

—

µA

2.3

2.0

—

—

3.0

2.48

—

—

4.5

3.8

—

—

Min to Max

—

—

0.1

µA

2.3

—

—

0.4

3.0

—

—

0.44

Output voltage

4.5

—

—

0.55

V

Input current

0 to 5.5

—

—

±1

Quiescent supply

current

5.5

—

—

20

Output leakage

current

0—

—

5

Input capacitance

3.3

—

3.5

—

pF

Note:

For conditions shown as Min or Max, use the appropriate values under recommended operating conditions.

Switching Characteristics

Ta = 25°C

Ta = –40 to 85°C

Item

Symbol

Min

Typ

Max

Min

Max

Unit

Test

Conditions

FROM

(Input)

TO

(Output)

—

7.9

12.0

1.0

14.0

Propagation

delay time

—

10.3

15.7

1.0

19.0

ns

A, B, C,

or D

Y

Ta = 25°C

Ta = –40 to 85°C

Item

Symbol

Min

Typ

Max

Min

Max

Unit

Test

Conditions

FROM

(Input)

TO

(Output)

—

4.8

7.0

1.0

8.5

Propagation

delay time

—

7.3

10.5

1.0

12.0

ns

A, B, C,

or D

Y

Ta = 25°C

Ta = –40 to 85°C

Item

Symbol

Min

Typ

Max

Min

Max

Unit

Test

Conditions

FROM

(Input)

TO

(Output)

—

3.3

5.0

1.0

6.0

Propagation

delay time

—

4.8

7.0

1.0

8.0

ns

A, B, C,

or D

Y