LTC1232
LTC1232
PRODUCTIONMicroprocessor Supervisory Circuit
- Part Models
- 5
- 1ku List Price
- Starting From $2.96
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Overview
- Guaranteed Reset Assertion at VCC = 1V
- 8-Pin SOIC Plastic Package
- 2.0mA Maximum Supply Current
- 4.62V/4.37V Precision Voltage Monitor
- Power OK/Reset Time Delay: 600ms
- Minimum External Component Count
- Superior Upgrade for DS1232
The LTC1232 provides power supply monitoring, watchdog timing and external reset for microprocessor systems. A precise internal voltage reference and comparator circuit monitor the power supply line. When an out-of-tolerance condition occurs, the reset outputs are forced to active states. The RST output is guaranteed to remain logic low even with VCC as low as 1V.
The LTC1232 has an internal watchdog timer which forces the reset outputs to active states when the Strobe input is not forced low prior to a preset time-out period. The watchdog timing can be set to operate on time-out periods of typically 150ms, 600ms or 1.2 seconds.
The LTC1232 performs push-button reset control. The LTC1232 debounces the push-button input and guarantees an active reset pulse width of 250ms minimum.
Applications
- Critical µP Power Monitoring
- Intelligent Instruments
- Computers and Controllers
- Automotive Systems
Documentation
Product Selector Card 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| LTC1232CN8#PBF | 8-Lead PDIP (Narrow 0.3 Inch) | ||
| LTC1232CS8#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1232CS8#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1232IS8#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
| LTC1232IS8#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Oct 8, 2024 - 24_0234 Migrating Bottom Trace Code Marking to Top Side Laser Marking for PDIP Package |
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| LTC1232CN8#PBF | PRODUCTION | |
|
Oct 11, 2022 - 22_0241 Epoxy Change from Henkel 8290 to 8290A for PDIP Package |
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| LTC1232CN8#PBF | PRODUCTION | |
|
Aug 6, 2022 - 22_0172 Laser Top Mark Conversion for PDIP Packages Assembled in ADPG [PNG] |
||
| LTC1232CN8#PBF | PRODUCTION | |
|
Dec 14, 2023 - 22_0255 Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 2 of 2) |
||
| LTC1232CS8#PBF | PRODUCTION | |
| LTC1232CS8#TRPBF | PRODUCTION | |
| LTC1232IS8#PBF | PRODUCTION | |
| LTC1232IS8#TRPBF | PRODUCTION | |
|
Jun 16, 2021 - 21_0026 Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM |
||
| LTC1232CS8#PBF | PRODUCTION | |
| LTC1232CS8#TRPBF | PRODUCTION | |
| LTC1232IS8#PBF | PRODUCTION | |
| LTC1232IS8#TRPBF | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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LTspice
Models for the following parts are available in LTspice:
- LTC1232
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.