Datasheet
Table Of Contents
- Device Features
- 1.0 Electrical Characteristics
- 2.0 Typical Performance Curves
- 3.0 PIN Description
- 4.0 Operational Description
- 5.0 Application Information
- 5.1 Supply Monitor Noise Sensitivity
- 5.2 Conventional Voltage Monitoring
- 5.3 Using in PIC® Microcontroller, ICSP™ Applications
- 5.4 Modifying The Trip Point, VTRIP
- 5.5 MOSFET Low-Drive Protection
- 5.6 Low-Power Applications
- 5.7 Controllers and Processors With Bidirectional I/O Pins
- 5.8 RESET Signal Integrity During Power-Down
- 6.0 Standard Device Offerings
- 7.0 Development Tools
- 8.0 Packaging Information
- Appendix A: Revision History
- Product Identification System
- Trademarks
- Worldwide Sales and Service

2005-2012 Microchip Technology Inc. DS21985D-page 21
MCP131X/2X
Note: Unless otherwise indicated, all limits are specified for V
DD
= 1V to 5.5V, R
PU
= 100 k (only MCP1316;
see Figure 4-1), T
A
= -40°C to +125°C.
FIGURE 2-45: Normalized Watchdog Time-
Out Period vs. Temperature (MCP1318M-4.6).
FIGURE 2-46: Normalized Watchdog Time-
Out Period vs. Temperature (MCP1319-2.9).
FIGURE 2-47: Normalized Watchdog Time-
Out Period vs. Temperature (MCP1316-2.0).
FIGURE 2-48: Max V
DD
Transient Duration
vs. Reset Threshold Overdrive.
FIGURE 2-49: “M” Part Number Pull-up
Characteristics (MCP1318M-4.6).
0.9
0.95
1
1.05
1.1
1.15
1.2
1.25
-100 -50 0 50 100
150
Normalized Watchdog
Timeout Period
Temperature (°C)
`
MCP1318M-4.6
MCP1319 does not
have a Watchdog Timer
0.9
0.95
1
1.05
1.1
1.15
1.2
1.25
-100 -50 0 50 100
150
Normalized Watchdog Timeout
Period
Temperature (°C)
`
MCP1316-2.0
0
100
200
300
400
500
600
0.001 0.01 0.1 1
10
Transient Duration (µS)
Reset Threshold Overdrive (V) V
TRIP
Min - V
DD
VRST=2.0V
VRST=2.9V
VRST=4.6V