UM821 datasheet by Union Semiconductor.
This datasheet includes multiple variants, all published together in a single manufacturer document.
| Part number | UM821 |
|---|---|
| Datasheet | UM821 UM807 Datasheet (PDF) |
| File Size | 322.08 KB |
| Manufacturer | Union Semiconductor |
| Description | uP Reset Circuits |
|
|
The UM807/821/822 are low-power microprocessor (μP) supervisory circuits used to monitor power supplies in μP and digital systems. They provide excellent circuit reliability and low cost by eliminating external ponents and adjustments when used with 5V-powered or 3V-powered circuits. The UM807/821/822 also provide a debounced manual reset input with long setup period.
View all Union Semiconductor datasheets
| Part Number | Description |
|---|---|
| UM822 | uP Reset Circuits |
| UM803 | 3-Pin Microprocessor Reset Circuits |
| UM805 | 4-Pin uP Voltage Monitors |
| UM807 | uP Reset Circuits |
| UM809 | 3-Pin Microprocessor Reset Circuits |
| UM810 | 3-Pin Microprocessor Reset Circuits |
| UM811 | 4-Pin uP Voltage Monitors |
| UM812 | 4-Pin uP Voltage Monitors |
| UM8120DA | 20V N-Channel Power MOSFET |
| UM813LS | Supply Voltage Supervisor w/Watchdog Input and Manual Reset |
