DM9368
DM9368 7-Segment Decoder/Driver/Latch with Constant Current Source Outputs
October 1988 Revised March 2000
DM9368 7-Se...
Description
DM9368 7-Segment Decoder/Driver/Latch with Constant Current Source Outputs
October 1988 Revised March 2000
DM9368 7-Segment Decoder/Driver/Latch with Constant Current Source Outputs
General Description
The DM9368 is a 7-segment decoder driver incorporating input latches and constant current output circuits to drive common cathode type LED displays directly.
Ordering Code:
Order Number DM9638N Package Number N16E Package Description 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Connection Diagram
Logic Symbol
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VCC = Pin 16 GND = PIN 8
Pin Descriptions
Pin Name A0–A3 RBO RBI a–g LE Description Address (Data) Inputs Ripple Blanking Output (Active LOW) Ripple Blanking Input (Active LOW) Segment Drivers-Outputs Latch Enable Input (Active LOW)
© 2000 Fairchild Semiconductor Corporation
DS009796
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DM9368
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Truth Table
*The RBI will blank the display only if a binary zero is stored in the latches. *The RBO used as an input overrides all other input conditions. H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial
Functional Description
The DM9368 is a 7-segment decoder driver designed to drive 7-segment common cathode LED displays. The DM9368 drives any common cathode LED display rated at a nominal 20 mA at 1.7V per segment without need for current limiting resistors. This device accepts a 4-bit binary code and produces output drive to the appropriate segments of the 7-segment displa...
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