TC623
2.0 PIN DESCRIPTION
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1: PIN FUNCTION TABLE
Pin No.
(8-Pin SOIC)
(8-Pin PDIP)
1
2
3
4
5
6
7
8
Symbol
Description
NC
LOW SET
HIGH SET
GND
CONTROL
HIGH LIMIT
LOW LIMIT
VCC
No Internal Connection.
Low temperature set point. Connect an external 1% resistor from LOW SET to VDD
to set trip point.
High temperature set point. Connect an external 1% resistor from HIGH SET to
VDD to set trip point.
Ground Terminal.
Control output.
High temperature push/pull output.
Low temperature push/pull output.
Power supply input.
© 2002 Microchip Technology Inc.
DS21441B-page 3