Description
1 PBRST
- Pushbutton Reset Input
2 TD
- Time Delay Select Input
3 TOL 4 GND
- VCC Tolerance Select Input - Ground
8 VCC 7 RST1
- Power Supply - Reset 1 Output
6 RST2
- Reset 2 Output
5 RST3
- Reset 3 Output
DESCRIPTION
The DS1830 Reset Sequencer monitors the power supply for an in-tolerance condition and the pushbutton reset input for a manual reset.First a precision temperature-compensated reference and comparator circuit monitors the status of the power supply and when an out-of-
Features
- 5V (DS1830) or 3.3V (DS1830A) power-on reset.
 
- Excellent for systems that need power-on resets in a consistent sequence.
 
- Asserts resets during power transients.
 
- Pushbutton reset input for system override.
 
- Selectable reset timing.
 
- Reduces need for discrete components.
 
- Precision temperature-compensated voltage
reference.
 
- 8-pin DIP, 8-pin SO, or space saving 8-pin
µSOP.
 
- Operating temperature of -40°C to +85°C.
 
- Open-drain, active-low inputs
DS1830/A.