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DS8884A Scheda tecnica(PDF) 1 Page - National Semiconductor (TI) |
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DS8884A Scheda tecnica(HTML) 1 Page - National Semiconductor (TI) |
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1 / 4 page ![]() TLF5847 May 1986 DS8884A High Voltage Cathode DecoderDriver 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 02 mA to 12 mA range for multiplex operation The output current is adjusted by connecting an external program resistor (RP) from VCC to the program in- put in accordance with the programming curve Unused out- puts must be tied to VCC Features Y Usable with AC or DC input coupling Y Current sink outputs Y High output breakdown voltage Y Low input load current Y Intended for multiplex operation Y Input pullups increase noise immunity Y Commadpt drive Connection Diagram Dual-In-Line Package TLF5847 – 2 Top View Order Number DS8884AN See NS Package Number N18A C1995 National Semiconductor Corporation RRD-B30M105Printed in U S A |
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