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ELM304 Datasheet

Part Number ELM304
Manufacturers ELM Electronics
Logo ELM Electronics
Description NTSC Video Generator
Datasheet ELM304 DatasheetELM304 Datasheet (PDF)

ELM304 NTSC Video Generator Description The ELM304 is a low-cost NTSC video signal generator in an 8 pin package. Requiring only an external crystal and a few passive components, this circuit produces a stable raster that is suitable for a variety of video applications. The ELM304 can be ‘programmed’ to generate either a solid white raster or a four-level gray scale pattern simply by changing the logic level at the mode input pin. A supplied internal pullup resistor further simplifies the circui.

  ELM304   ELM304






Part Number ELM307
Manufacturers ELM Electronics
Logo ELM Electronics
Description Camera Control
Datasheet ELM304 DatasheetELM307 Datasheet (PDF)

ELM307 Camera Control 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. In operation, a monitored signal (alarm contact, audio signal, oscillator signal, etc.) is applied to the circuit’s Trigger input. A low level at this input immediately caus.

  ELM304   ELM304







Part Number ELM303
Manufacturers ELM Electronics
Logo ELM Electronics
Description Camcorder Time-Lapse Control
Datasheet ELM304 DatasheetELM303 Datasheet (PDF)

ELM303 Camcorder Time–Lapse Control Description The ELM303 is a specialized circuit for creating time-lapse videos on suitably equipped camcorders. The camcorder to be controlled must have a Control L (LANC) port, and also be capable of responding to power control signals. This is usually only available with the mini DIN connectors, and not the 2.5mm stereo plug interfaces. The ELM303 provides intervals of 10 minutes to 24 hours between recordings, without requiring any external timing component.

  ELM304   ELM304







NTSC Video Generator

ELM304 NTSC Video Generator Description The ELM304 is a low-cost NTSC video signal generator in an 8 pin package. Requiring only an external crystal and a few passive components, this circuit produces a stable raster that is suitable for a variety of video applications. The ELM304 can be ‘programmed’ to generate either a solid white raster or a four-level gray scale pattern simply by changing the logic level at the mode input pin. A supplied internal pullup resistor further simplifies the circuitry when interfacing to mechanical switches. www.DataSheet4U.com Although originally designed to provide a stable video input signal for use while recording audio on video cassette recorders, this circuit can also be used for many other instructional and test purposes. The low power consumption and small size of the circuit also makes it ideal for battery-powered applications. Features • Low power CMOS design - typically 1mA at 5V • Wide supply range - 3.0 to 5.5 volt operation • Uses a standard 3.58MHz crystal • Generates both solid and bar type patterns • No external amplifier required • Standard 1V p-p NTSC sync negative output • Requires no adjustments Connection Diagram PDIP and SOIC (top view) VDD 1 2 3 4 8 7 6 5 VSS V1 V2 V3 Applications • Video Source for Video Cassette Recorders • Classroom Instructional Aid • Test Bench Video Generator XT1 XT2 Mode Block Diagram 7 V1 V2 V3 XT1 XT2 2 Master Oscillator 3 Pattern Generator Output Matrix 6 5 VDD Mode 4 ELM304D.


2008-08-01 : ELM303    ELM304    ELM307    ELM312    ELM313    ELM322    ELM331    ELM334    UPD8156    ELM337   


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