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TC621 Fiches technique(PDF) 4 Page - Microchip Technology |
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TC621 Fiches technique(HTML) 4 Page - Microchip Technology |
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4 / 14 page ![]() TC620/TC621 DS21439C-page 4 © 2006 Microchip Technology Inc. 2.0 PIN DESCRIPTIONS The descriptions of the pins are listed in Table 2-1. TABLE 2-1: PIN FUNCTION TABLE Pin No. (8-Pin PDIP) (8-Pin SOIC) 0°C to +70°C -40°C to +85°C -40°C to +125°C Symbol Description 1 NC No Internal Connection. 2 LOW SET Low temperature set point. Connect an external 1% resistor from LOW SET to VDD to set trip point. 3 HIGH SET High temperature set point. Connect an external 1% resistor from HIGH SET to VDD to set trip point. 4 GND Ground Terminal. 5 CONTROL Control output. 6 HIGH LIMIT High temperature push/pull output. 7 LOW LIMIT Low temperature push/pull output. 8VDD Power supply input. Pin No. (8-Pin PDIP) (8-Pin SOIC) 0°C to +70°C -40°C to +85°C Symbol Description 1 THERMISTOR Thermistor input. 2 HIGH SET High temperature set point. Connect an external 1% resistor from HIGH SET to VDD to set trip point. 3 LOW SET Low temperature set point. Connect an external 1% resistor from LOW SET to VDD to set trip point. 4 GND Ground Terminal. 5 CONTROL Control output. 6LOW LIMIT Low temperature push/pull output. 7HIGH LIMIT High temperature push/pull output. 8VDD Power supply input. |
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