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HD74LS248 Datasheet, PDF (3/7 Pages) Hitachi Semiconductor – BCD-to-Seven-Segment Decoders/Drivers(internal pull-up outputs)
HD74LS248
Block Diagram
A
B
Inputs
C
D
BI/BRO
Blanking Input or
Ripple Blanking
Output
Lamp Test
Input
RBI
Ripple Blanking
Input
a
b
c
d Outputs
e
f
g
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage
VCC
7
V
Input voltage
VIN
7
V
Power dissipation
Storage temperature
PT
Tstg
400
mW
–65 to +150
°C
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Rev.3.00, Jul.15.2005, page 3 of 6