HD74LS48

Rev.3.00, Jul.22.2005, page 3 of 6

Block Diagram

Blanking Input or

Ripple Blanking

Output (BI/RBO)

Lamp Test (LT)

Ripple Blanking (RBI)

Outputs

Inputs

A

B

C

D

Inputs

a

b

c

d

e

f

g

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

—

—

–100

µA

Output current

—

—

–50

µA

—

—

6

mA

Output current

—

—

3.2

mA

Operating temperature

Topr

-20

25

75

°C