HD74LS48 Datasheet, PDF (3/7 Pages) Hitachi Semiconductor – BCD-to-Seven-Segment Decoder Driver(Internal Pull-up outputs)

HD74LS48
Block Diagram
a
A
b
B
Inputs
C
c
D
Blanking Input or
Ripple Blanking
Output (BI/RBO)
Outputs
d
e
f
Lamp Test (LT)
Inputs
g
Ripple Blanking (RBI)
Absolute Maximum Ratings
Item
Symbol
Ratings
Supply voltage
VCC
7
Input voltage
VIN
7
Power dissipation
PT
400
Storage temperature
Tstg
–65 to +150
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Recommended Operating Conditions
Item
Supply voltage
Output current
Output current
Operating temperature
Symbol
VCC
IOH (a to g)
IOH (BI/RBO)
IOL (a to g)
IOL (BI/RBO)
Topr
Min
4.75
—
—
—
—
-20
Typ
5.00
—
—
—
—
25
Max
5.25
–100
–50
6
3.2
75
Unit
V
V
mW
°C
Unit
V
µA
µA
mA
mA
°C
Rev.3.00, Jul.22.2005, page 3 of 6