Description
ELM415 Up/Down Interface .
The ELM415 is an 8 pin device that simplifies the connections between a pushbutton type human interface and many counter-based circuits.
Features
* Low power CMOS design
* Wide supply range
* 3.0 to 5.5 volts
* Fully debounced switch inputs
* Internal pullup resistors provided
* Protection from simultaneous key presses
* High current drive outputs
* User selectable automatic repe
Applications
* Digital audio potentiometer controls
* Variable voltage or temperature circuits
* Motor positioning controls
* Single-stepping control circuits
* Reset circuits
VDD 1 Up/Down 2
Count 3 Invert 4
8 VSS 7 DownSw 6 UpSw 5 Repeat
Block Diagram
VDD
7
DownSw
VD