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9368

Fairchild
Part Number 9368
Manufacturer Fairchild
Description DM9368
Published Sep 5, 2005
Detailed Description DM9368 7-Segment Decoder/Driver/Latch with Constant Current Source Outputs October 1988 Revised March 2000 DM9368 7-Se...
Datasheet PDF File 9368 PDF File

9368
9368

Overview
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 www.
DataSheet4U.
com 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 www.
fairchildsemi.
com DM9368 www.
DataSheet4U.
com 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 display.
It has a hexadecimal decode format which produces numeric codes “0” thru “9” and alpha codes “A” through “F” using upper and lower case fonts.
Latches on the four data inputs are controlled by an active LOW latch enable LE.
When the LE is LOW, the state of the outputs is determined by the input data.
When the LE goes HIGH, the last data present at the inputs is stored in the latches and the outputs remain stable.
The LE pulse width necessary to accept and store data is typically 30 ns which a...


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