TC621 Microchip Technology Inc., TC621 Datasheet - Page 4
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TC621
Manufacturer Part Number
TC621
Description
5v, Dual Trip Point Temperature Sensors
Manufacturer
Microchip Technology Inc.
Datasheet
1.TC621.pdf
(14 pages)
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TC620/TC621
2.0
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
DS21439C-page 4
-40°C to +125°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
(8-Pin SOIC)
(8-Pin SOIC)
(8-Pin PDIP)
(8-Pin PDIP)
Pin No.
Pin No.
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
PIN DESCRIPTIONS
PIN FUNCTION TABLE
HIGH LIMIT
THERMISTOR
LOW LIMIT
CONTROL
HIGH SET
LOW SET
HIGH LIMIT
LOW LIMIT
Symbol
CONTROL
HIGH SET
LOW SET
Symbol
GND
V
NC
GND
V
DD
DD
No Internal Connection.
Low temperature set point. Connect an external 1% resistor from LOW SET to V
to set trip point.
High temperature set point. Connect an external 1% resistor from HIGH SET to
V
Ground Terminal.
Control output.
High temperature push/pull output.
Low temperature push/pull output.
Power supply input.
DD
Thermistor input.
High temperature set point. Connect an external 1% resistor from HIGH SET to
V
Low temperature set point. Connect an external 1% resistor from LOW SET to
V
Ground Terminal.
Control output.
Low temperature push/pull output.
High temperature push/pull output.
Power supply input.
DD
DD
to set trip point.
to set trip point.
to set trip point.
Description
Description
© 2006 Microchip Technology Inc.
DD