Description
The ELM307 is a retriggerable one-shot circuit that has been designed for electronically controlling the shutter of a film or digital still camera. The circuit provides a variable pulse width timer, a variable delay reset timer, power control, and an LED status drive all in an 8 pin package.

Features
• Low power CMOS design - typically 1mA at 5V
• No external timing elements required
• Test mode assists with setup
• Single pushbutton control
• Auto power off saves batteries
• LED output shows status
• High current drive outputs - up to 25mA

Applications
• Security camera control
• Candid shots of animals or people
• Time lapse photography
• Remote triggering of cameras