Part Number : DM7447A
Function : BCD to 7-Segment Decoders/Drivers
Manufacturer : National ->Texas Instruments
Pinout :
Description
General Description
The 46A and 47A feature active-low outputs designed for driving common-anode LEDs or incandescent indicators directly. All of the circuits have full ripple-blanking input/output controls and a lamp test input. Segment identification and resultant displays are shown on a following page. Display patterns for BCD input counts above nine are unique symbols to authenticate input conditions.
Features
* All circuit types feature lamp intensity modulation capability
* Open-collector outputs drive indicators directly
* Lamp-test provision
* Leading/trailing zero suppression

