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TC620_13 Datasheet, PDF (4/16 Pages) Microchip Technology – 5V, Dual Trip Point Temperature Sensors
TC620/TC621
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.
8
VDD
Power supply input.
Pin No.
(8-Pin PDIP)
(8-Pin SOIC)
0°C to +70°C
-40°C to +85°C
1
2
3
4
5
6
7
8
Symbol
Description
THERMISTOR Thermistor input.
HIGH SET
LOW SET
GND
High temperature set point. Connect an external 1% resistor from HIGH SET to
VDD to set trip point.
Low temperature set point. Connect an external 1% resistor from LOW SET to
VDD to set trip point.
Ground Terminal.
CONTROL Control output.
LOW LIMIT Low temperature push/pull output.
HIGH LIMIT High temperature push/pull output.
VDD
Power supply input.
DS21439D-page 4
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