PT7M7809
PT7M7809 is (PT7M7xxx) uP Supervisor Circuits manufactured by Pericom Semiconductor.
- Part of the PT7M7811 comparator family.
- Part of the PT7M7811 comparator family.
Features
- Precision supply-voltage monitor
- 4.63V (PT7M7xxx L)
- 4.38V (PT7M7xxx M)
- 3.08V (PT7M7xxx T)
- 2.93V (PT7M7xxx S)
- 2.63V (PT7M7xxx R)
- 2.32V (PT7M7xxx Z)
- 2.20V (PT7M7xxx Y)
- 4.00V (PT7M7xxx J)
- 200ms reset pulse width
- Debounced CMOS-patible manual-reset input (7811, 7812, 7823, 7825, 7342-7344)
- Reset Output Signal for Watchdog and Power Abnormal, Manual Reset
- Reset Push-Pull output (PT7M7809,7811,7823, 7824,7825,7342,7345)
- Reset Open-Drain output (PT7M7803/7343)
- Voltage monitor for power-fail or low battery warning
- Guaranteed RESET/RESET valid at VCC = 1.0V
Applications
- Power-supply circuitry in µP systems
Ordering Information
Note: lead free package is available by adding E at the end of each part no. For example: PT7M7803XTE for SOT23-3 lead free package.
Suffix: X -- Monitored Voltage
PT0109L(04/07)
Ver:11
.Data Sheet.in
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Data Sheet PT7M7803/7809-7812/7823-7825/7342-7345 µP Supervisor Circuits
Function parison
Block Diagram
Block Diagram
Watchdog Transition Detector V cc
Watchdog Timer
Timebase for Reset & Watchdog
MR Reset Generator Vcc RESET (RESET)
V RST PFI 1.25V PFO
PT0109L(04/07)
Ver:11...