Description
www.DataSheet4U.com April 2005 rev 1.3 ASM1834/A/D Dual 5V and 3.3V µP Power Supply Supervisor with Manual Reset All devices operate over the extend.
The ASM1834 supervisors simultaneously monitor both 3.
Features
* Monitors 5V and 3.3V supplies simultaneously 5V and 3.3V power-on reset 350ms reset time Debounced pushbutton reset input Push-pull CMOS output
* ASM1834, ASM1834D
* Eliminates external pull-up resistors
* Active LOW (ASM1834)
Applications
* Microprocessors PDAs, Hand-held PCs Embedded Controllers Telecommunication Systems Power Supplies Wireless / Cellular Systems Networking Hardware
Typical Operating Circuit
3.3V
+5V
ASM1834
5VIN 3.3VIN RESET PBRST
5VTOL GND 3.3V