DM-8884A Datasheet | Dionics

Description : The DI-8884A is designed to decode four lines of BCD input and drive seven segment digits of gas- filled readout displays. Two separate inputs are provided for driving the decimal point and ma cathodes. 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 to 1.2 m A range for multiplex operation. The output current is adjusted by connecting an external program resistor (Rp ) from Vcc to the program input. Features : ü ü ü ü ü ü ü Reliable Dielectric Isolation Process Current Sink Outputs High Output Breakdown Voltage Low Input Load Current Intended For Multiplex Operation Replacement For National DM-8884A Standard 18-pin DIP Package Package Layout: 0.900 v Truth Table Function 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 - Decimal Point - ma Decimal Point 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 ma 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 D 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 X X C 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 X X B 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 X X A 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 X X a 0 1 0 0 1 0 0 0 0 0 1 1 0 0 1 1 X X b 0 0 0 0 0 1 1 0 0 0 1 1 0 1 1 1 X X c 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1 X X d 0 1 0 0 1 0 0 1 0 0 0 0 1 0 1 1 X X e 0 1 0 1 1 1 0 1 0 1 0 0 1 0 1 1 X X f 0 1 1 1 0 0 0 1 0 0 1 1 0 0 1 1 X X g Display 1 1 0 0 0 0 0 1 0 0 1 0 0 0 0 1 X X 09/2001 - Decimal point and ma can be displayed with or without any numeral. 0.250 0.020 DIONICS DI-8884A .. DI-8884A High Voltage Cathode Decoder/Driver v Absolute Maximum Ratings Input Voltage (Vcc) Segment Output Voltage Power Dissipation Transient Segment Output Current Operation Temperature Range Storage Temperature Range 7V 110V 600m W 50m A 0 0 C to 70 0C -65 0C to 150 0 C v Electrical Characteristics ( 0 0 C < Ta < 70 0 C - Unless otherwise noted; Vcc = 5V ± 5% ) Parameter Conditions Min. Logic "1" Input Voltage Vcc = 4.75V...