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PDF DM74LS247 Data sheet ( Hoja de datos )

Número de pieza DM74LS247
Descripción BCD to 7-Segment Decoder/Driver with Open-Collector Outputs
Fabricantes Fairchild Semiconductor 
Logotipo Fairchild Semiconductor Logotipo



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No Preview Available ! DM74LS247 Hoja de datos, Descripción, Manual

March 1998
DM74LS247
BCD to 7-Segment Decoder/Driver with Open-Collector
Outputs
General Description
The ’LS247 has active LOW open-collector outputs guaran-
teed to sink 24 mA. It has the same electrial characteristics
and pin connections as the ’LS47. The only difference is that
the ’LS247 will light the top bar (segment a) for numeral 6
and the bottom bar (segment d) for number 9. For detailed
description and specifications please refer to the ’LS47 data
sheet.
Connection Diagram
Dual-In-Line Package
Logic Symbol
DS009822-1
Order Number DM74LS247M or DM74LS247N
See Package Number M16A or N16E
VCC = Pin 16
GND = Pin 8
Pin Names
A0–A3
RBI
LT
BI/RBO
a–g
Description
BCD Inputs
Ripple Blanking Input (Active LOW)
Lamp Test Input (Active LOW)
Blanking Input (Active LOW) or
Ripple Blanking Output (Active LOW)
Segment Outputs (Active LOW)
DS009822-2
© 1998 Fairchild Semiconductor Corporation DS009822
www.fairchildsemi.com

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