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MCP1321

Microchip Technology
Part Number MCP1321
Manufacturer Microchip Technology
Description Voltage Supervisor
Published Jan 26, 2007
Detailed Description MCP131X/2X Voltage Supervisor Features Package Types • Low Supply Current: 1 µA (Typical),10 µA (Max.) • Precision Mo...
Datasheet PDF File MCP1321 PDF File

MCP1321
MCP1321

Overview
MCP131X/2X Voltage Supervisor Features Package Types • Low Supply Current: 1 µA (Typical),10 µA (Max.
) • Precision Monitoring Trip Point Options: - 2.
9V and 4.
6V (Standard Offerings) - 2.
0V to 4.
7V in 100 mV Increments, (Contact the local Microchip Sales Office) • Resets Microcontroller in a Power-loss Event • Reset Delay Time-Out Option: - 1.
4 ms, 30 ms, 200 ms, or 1.
6s (Typical) • Watchdog Timer Input Time-Out Options: - 6.
3 ms, 102 ms, 1.
6s, or 25.
6s (Typical) • Manual Reset (MR) Input (Active-low) • Single and Complementary Reset Output(s) • Reset Output Options: - Push-Pull (Active-high or Active-low) - Open-Drain (Internal or External Pull-up) • Temperature Range: - -40°C to +85°C for Trip Points 2.
0 to 2.
4V and, - -40°C to +125°C for Trip Points > 2.
5V • Voltage Range: 1.
0V to 5.
5V • Lead Free Packaging • The MCP1316(M)/1318/1319(M)/1320/1321/1322 pass Automotive AEC-Q100 Reliability Testing Description The MCP131X/2X are voltage supervisor devices designed to keep a microcontroller in Reset until the system voltage has reached and stabilized at the proper level for reliable system operation.
The table below shows the available features for these devices.
SOT-23-5 MCP1316/16M/20 RST 1 VSS 2 5 VDD RST VSS MR 3 4 WDI MR MCP1317 1 5 2 3 4 VDD WDI MCP1318/18M/21 RST 1 5 VDD VSS 2 RST 3 4 WDI MCP1319/19M/22 RST 1 5 VDD VSS 2 RST 3 4 MR Block Diagram VDD Comparator + – Reference Voltage Output Driver RST RST MR Noise Filter WDI Watchdog VSS Note: Features available depend on the device.
Device Features Reset Output A Reset Output B Device Type Pull-up Active Resistor Level Type Pull-up Active WDI Input Resistor Level MR Input MCP1316 Push-Pull — Low — — — Yes Yes MCP1316M Open-Drain Internal Low — — — Yes Yes MCP1317 Push-Pull — High — — — Yes Yes MCP1318 Push-Pull — Low Push-Pull — High Yes No MCP1318M Open-Drain Internal Low Push-Pull — High Yes No MCP1319 Push-Pull — Low Push...


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