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ELM382 50 Hz Long Interval Counter Description The ELM382 is a digitally configurable, multistage counter circuit in a single 8 pin package. When connected to a 50Hz source, four time periods from one hour to one week are possible, as shown in Table 1 below. Although the circuit has been optimized f
ELM380 Battery Charger Timer Description The ELM380 is an 8 pin integrated circuit that is used to provide very long time interval outputs. It is typically used for enabling the charge circuit in Nickel Cadmium battery chargers, but can be easily adapted for many other applications. An express ‘on
ELM365 Security System Controller Description The ELM365 provides all of the logic necessary for a complete security system in an 8 pin package. The circuit is capable of monitoring two normally closed input loops and one normally open panic circuit, provides a constant level and a pulsing alarm out
ELM341 Low Power Thermostat Description The ELM341 is a complete temperature measurement and control system in an 8 pin package. It automatically reverts to a very low power sleep mode between measurements, making it suitable for battery operation. This integrated circuit is designed to compare two
ELM339 Infrared Remote Control Description The ELM339 is a complete remote control decoder in an 8 pin package. With the addition of a standard infrared receiver module, three individual outputs can be simultaneously controlled using a television remote control transmitter. This circuit responds to
ELM331 Solid State Thermostat Description The ELM331 is a complete temperature measurement and control system in an 8 pin package. This integrated circuit is designed to compare two resistances and drive an output pin depending on the relative value of each. Typically, one of the resistors will be a
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