(PDF) DS55493 Datasheet - Quad LED Segment Driver

Número de pieza	DS55493
Descripción	Quad LED Segment Driver
Fabricantes	National Semiconductor
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No Preview Available ! April 1990 DS55493 DS75493 Quad LED Segment Driver General Description The DS55493 DS75493 is a quad LED segment driver It is designed to interface between MOS IC’s and LED’s An ex- ternal resistor is required for each segment to drive the out- put current which is approximately equal to 0 7V RL and is relatively constant independent of supply variations Blank- ing can be achieved by taking the chip enable (CE) to a logical ‘‘1’’ level Features Y Low voltage operation Y Low input current for MOS compatibility Y Low standby power Y Display blanking capability Y Output current regulation Y Quad high gain circuits Schematic and Connection Diagrams Dual-In-Line Package Truth Table TL F 7561 – 1 CE VIN 01 00 1X X e Don’t care IOUT ON OFF OFF TL F 7561 – 2 Order Number DS55493J DS75493J or DS75493N See NS Package Number J16A or N16A C1995 National Semiconductor Corporation TL F 7561 RRD-B30M105 Printed in U S A 1 page

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PDF DS55493 Data sheet ( Hoja de datos )