
2002 Microchip Technology Inc.
DS21462B-page 5
TC74
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
Pin Number
(5-Pin SOT-23)
Pin Number
(5-Pin TO-220)
Symbol
Type
Description
1
2
3
4
5
1
3
5
4
2
NC
GND
V
DD
SCLK
SDA
None
Power
Power
Input
No Internal Connection.
System Ground
Power Supply Input
SMBus Serial Clock
SMBus Serial Data
Bi-directional