HD74LS245

Rev.3.00, Jul.15.2005, page 3 of 5

Electrical Characteristics

(Ta = –20 to +75 °C)

Item

Symbol

min.

typ.*

max.

Unit

Condition

2.0

—

—

Input voltage

—

—

0.8

V

Hysteresis

T

–

0.2

0.4

—

V

2.4

—

—

2

—

—

V

—

—

0.4

Output voltage

—

—

0.5

V

—

—

20

Off-state output current

—

—

–200

µA

—

—

20

µA

—

—

–0.2

mA

A or B

—

—

0.1

Input

current

DIR or

G

—

—

0.1

mA

Short-circuit output

current

–40

—

–225

mA

—

48

70

—

62

90

Supply current**

—

64

95

mA

Input clamp voltage

—

—

–1.5

V

disabled.

Switching Characteristics

Item

Symbol

min.

typ.

max.

Unit

Condition

—

8

15

Propagation delay time

—

11

15

—

27

40

Output enable time

—

25

40

Ω

—

15

25

Output disable time

—

15

25

ns

Ω

Note:

Refer to Test Circuit and Waveform of the Common Item "TTL Common Matter (Document No.: REJ27D0005-

0100)".