TC74ACT138P/F/FT

2012-02-29

4

Electrical Characteristics

DC Characteristics

Test Condition

Ta = 25°C

Ta = −40 to

85°C

Characteristics

Symbol

(V)

Min

Typ.

Max

Min

Max

Unit

High-level input

voltage

―

4.5

to

5.5

2.0

―

―

2.0

―

V

Low-level input

voltage

―

4.5

to

5.5

―

―

0.8

―

0.8

V

High-level output

voltage

4.5

4.5

5.5

4.4

3.94

―

4.5

―

―

―

―

―

4.4

3.80

3.85

―

―

―

V

Low-level output

voltage

(Note)

4.5

4.5

5.5

―

―

―

0.0

―

―

0.1

0.36

―

―

―

―

0.1

0.44

1.65

V

Input leakage

current

5.5

―

―

±0.1

―

±1.0

μA

5.5

―

―

8.0

―

80.0

μA

Quiescent supply

current

5.5

―

―

1.35

―

1.5

mA

Note:

This spec indicates the capability of driving 50 Ω transmission lines.

One output should be tested at a time for a 10 ms maximum duration.

Test Condition

Ta = 25°C

Ta = −40 to

85°C

Characteristics

Symbol

Min

Typ.

Max

Min

Max

Unit

Propagation delay

time

(A, B, C- Y)

―

5.0 ± 0.5

―

6.7

10.1

1.0

11.5

ns

Propagation delay

time

(G1- Y)

―

5.0 ± 0.5

―

6.8

10.5

1.0

12.0

ns

Propagation delay

time

( 2

G- Y)

―

5.0 ± 0.5

―

6.9

11.0

1.0

12.5

ns

Input capacitance

―

―

5

10

―

10

pF

Power dissipation

capacitance

(Note)

―

55

―

―

―

pF

Note:

current consumption without load.

Average operating current can be obtained by the equation: