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DS8884AN Datasheet

  • DS8884AN

  • High Voltage Cathode Decoder/Driver

  • 4頁

  • NSC

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DS8884A High Voltage Cathode Decoder Driver
May 1986
DS8884A High Voltage Cathode Decoder Driver
General Description
The DS8884A is designed to decode four lines of BCD input
and drive seven-segment digits of gas-filled readout dis-
plays
All outputs consist of switchable and programmable current
sinks which provide constant current to the tube cathodes
even with high tube anode supply tolerance Output currents
may be varied over the 0 2 mA to 1 2 mA range for multiplex
operation The output current is adjusted by connecting an
external program resistor (R
P
) from V
CC
to the program in-
put in accordance with the programming curve Unused out-
puts must be tied to V
CC
Features
Y
Y
Y
Y
Y
Y
Y
Usable with AC or DC input coupling
Current sink outputs
High output breakdown voltage
Low input load current
Intended for multiplex operation
Input pullups increase noise immunity
Comma d pt drive
Connection Diagram
Dual-In-Line Package
TL F 5847 鈥?2
Top View
Order Number DS8884AN
See NS Package Number N18A
C
1995 National Semiconductor Corporation
TL F 5847
RRD-B30M105 Printed in U S A

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