TC1274 Datasheet, PDF (4/12 Pages) Microchip Technology – 3-Pin Reset Monitors for 5V Systems

TC1272/TC1273/TC1274
3.0 PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1: PIN FUNCTION TABLES
Pin No.
Symbol
Function
1
RESET
RESET Output (TC1272 and TC1273)
1
RESET
RESET Output (TC1274)
2
V_CC
Supply voltage (1.2V to 5.5V TC1272 and TC1273; 1.8V to 5.5V TC1274)
3
GND
Ground
3.1 RESET Output (RESET)
The RESET output remains low while V_CC is below the
reset voltage threshold, and for 200 msec (100 msec
min.) after V_CC rises above reset threshold. The output
stage of the TC1272 is complimentary, while the output
stage of the TC1273 is open-drain.
3.2 RESET Output (RESET)
The RESET output remains high while V_CC is below the
reset voltage threshold, and for 200 msec (100 msec
min.) after V_CC rises above reset threshold. The output
stage of the TC1274 is complimentary.
DS21382B-page 4
 2003 Microchip Technology Inc.