HD74LS259

Rev.2.00, Feb.18.2005, page 3 of 7

Block Diagram

Clear

G

DA

B

C

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Supply voltage

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

—

—

–400

µA

Output current

—

—

8

mA

Operating temperature

Topr

–20

25

75

°C

Pulse width

15

—

—

ns

Data

20

↑

—

—

ns

Setup time

Address

20

↑

—

—

ns

Data

0

↑

—

—

ns

Hold time

Address

0

↑

—

—

ns