DS1232：MicroMonitor Chip
The DS1232 MicroMonitor™ Chip monitors three vital conditions for a microprocessor: power supply, software execution, and external override. First, a precision temperature-compensated reference and comparator circuit monitors the status of VCC. When an out-of-tolerance condition occurs, an internal power fail signal is generated which forces reset to the active state. When VCC returns to an in-tolerance condition, the reset signals are kept in the active state for a minimum of 250ms to allow the power supply and processor to stabilize.
Key Features
| DS1232: Block Diagram |
DataSheet
| title | Download file |
|---|---|
| DS1232 Data Sheet | DS1232.pdf |
Parametrics
| Part Number | Reset Thresh. (V) | Reset Out | tRESET | Watchdog Feature | Watchdog Timeout | Supervisor Features | Reset Thresh. Accur. (%) | ICC (µA) | Package/Pins | Budgetary Price |
|---|---|---|---|---|---|---|---|---|---|---|
| min | @ +25°C | max | See Notes | |||||||
| DS1232 | 3.3 to 5.5 | Active High Active Low Open Drain Push-Pull | 85ms to 300ms | Input (WDI) | 1s to 2s <1s | Manual Reset | 2.5 | 2000 | PDIP(N)/8 SOIC(W)/16 | $1.77 @1k |
Quality and Environmental Data
Ordering Information
| Part Number | Notes | Status | Recommended Replacement | Package | Temp | RoHS |
|---|---|---|---|---|---|---|
| DS1232 | No Longer Available | DS1232+ | PDIP(N),;8 pin;79.7 mm² | 0°C to +70°C | No | |
| DS1232 IBM CAT I | Active | PDIP(N),;8 pin;79.7 mm² | 0°C to +70°C | No | ||
| DS1232+ | Active | PDIP(N),;8 pin;79.7 mm² | 0°C to +70°C | Lead Free | ||
| DS1232N | No Longer Available | DS1232N+ | PDIP(N),;8 pin;79.7 mm² | -40°C to +85°C | No | |
| DS1232N+ | Active | PDIP(N),;8 pin;79.7 mm² | -40°C to +85°C | Lead Free | ||
| DS1232S | No Longer Available | DS1232S+ | SOIC(W),;16 pin;111.8 mm² | 0°C to +70°C | No | |
| DS1232S+ | Active | SOIC(W),;16 pin;111.8 mm² | 0°C to +70°C | Lead Free | ||
| DS1232S+T&R | T&R Qty 1000/Reel | Active | SOIC(W),;16 pin;111.8 mm² | 0°C to +70°C | Lead Free | |
| DS1232S/T&R | T&R Qty 1000/Reel | No Longer Available | DS1232S+T&R | SOIC(W),;16 pin;111.8 mm² | 0°C to +70°C | No |
| DS1232S/T&R/C05 | No Longer Available | SOIC(W),;16 pin;111.8 mm² | 0°C to +70°C | No | ||
| Part Number | Notes | Status | Recommended Replacement | Package | Temp | RoHS |
| DS1232SN | No Longer Available | DS1232SN+ | SOIC(W),;16 pin;111.8 mm² | -40°C to +85°C | No | |
| DS1232SN+ | Active | SOIC(W),;16 pin;111.8 mm² | -40°C to +85°C | Lead Free | ||
| DS1232SN+T&R | T&R Qty 1000/Reel | Active | SOIC(W),;16 pin;111.8 mm² | -40°C to +85°C | Lead Free | |
| DS1232SN/T&R | T&R Qty 1000/Reel | No Longer Available | DS1232SN+T&R | SOIC(W),;16 pin;111.8 mm² | -40°C to +85°C | No |
- DS1232.pdf DS1232
- DS1232.pdf DS1232
