HD74LS126A

Rev.3.00, Jul.13.2005, page 2 of 3

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Supply voltage

Vcc

7

V

Input voltage

7

V

Power dissipation

400

mW

Storage temperature

Tstg

–65 to +150

°C

Note:

Voltage value, unless otherwise noted, are with respect to network ground terminal.

Recommended Operating Conditions

Item

Symbol

Min

Typ

Max

Unit

Supply voltage

4.75

5.00

5.25

V

High level output current

—

—

–2.6

mA

Low level output current

—

—

24

mA

Operating temperature

Topr

–20

25

75

°C

Electrical Characteristics

(Ta = –20 to +75 °C)

Item

Symbol

min.

typ.*

max.

Unit

Condition

2.0

—

—

V

Input voltage

—

—

0.8

V

2.4

—

—

V

—

—

0.5

Output voltage

—

—

0.4

V

—

—

20

Off-state output

current

—

—

–20

µA

—

—

20

µA

—

—

–0.4

A input

—

—

–0.4

mA

C input

Input current

—

—

0.1

mA

Short-circuit output

current

–40

—

–225

mA

Supply current

—

12

22

mA

Input clamp voltage

—

—

–1.5

V

Switching Characteristics

Item

Symbol

min.

typ.

max.

Unit

Condition

—

9

15

Propagation delay time

—

8

18

ns

—

16

25

Output enable time

—

21

35

ns

Ω

—

—

25

Output disable time

—

—

25

ns

Ω

Note:

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

0100)".