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| Place of Origin | Call |
| Brand Name | STMicroelectronics |
| Certification | ROHS |
| Model Number | STM811LW16F |
STM811LW16F DatasheetThe STM809/810/811/812 MICROPROCESSOR RESET Circuits are low-power supervisory devices used to monitor power supplies. They perform a single function: asserting a reset signal whenever the VCCsupply voltage drops below a preset value and keeping it asserted until VCChas risen above the preset threshold for a minimum period of time (trec). The STM811/812 also provide a push-button reset input (MR).
■ PRECISION MONITORING OF 3V, 3.3V, and 5V SUPPLY VOLTAGES
■ TWO OUTPUT CONFIGURATIONS
– Push-pull RSTOutput (STM809/811)
– Push-pull RST Output (STM810/812)
■ 140ms RESET PULSE WIDTH (MIN)
■ LOW SUPPLY CURRENT - 6µA (TYP)
■ GUARANTEED RST/RST ASSERTION DOWN TO VCC= 1.0V
■ OPERATING TEMPERATURE: –40°C to 85°C (Industrial Grade)
■ LEAD-FREE, SMALL SOT23 and SOT143 PACKAGE
Specifications
| Attribute | Attribute Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Product Category | Supervisors |
| Series | STM811 |
| Type | Simple Reset/Power-On Reset |
| Packaging | Alternate Packaging |
| Mounting-Style | SMD/SMT |
| Package-Case | TO-253-4, TO-253AA |
| Operating-Temperature | -40°C ~ 85°C (TA) |
| Mounting-Type | Surface Mount |
| Output-Type | Active Low Push-Pull |
| Supplier-Device-Package | SOT-143-4 |
| Output | Push-Pull, Totem Pole |
| Reset | Active Low |
| Voltage monitoring relays | 1 |
| Reset-Timeout | 140 ms Minimum |
| Voltage-Threshold | 4.63V |
| Pd-Power-Dissipation | 320 mW |
| Maximum Operating Temperature | + 85 C |
| Operating temperature range | - 40 C |
| Operating-Supply-Current | 15 uA |
| Battery-Backup-Switching | No Backup |
| Supply-Voltage-Max | 5.5 V |
| Supply-Voltage-Min | 1 V |
| Package-Case | SOT-143-4 |
| Watchdog-Timers | No Watchdog |
| Threshold-Voltage | 3 V 3.3 V 5 V |
| Input Monitoring | 1 Input |
| Manual-Reset | Manual Reset |
| Chip-Enable-Signals | No Chip Enable |
| Power-Fail-Detection | No |
| Reset-Delay-Time | 280 ms |
| Overvoltage-Threshold | 4.7 V |
| Undervoltage-Threshold | 4.56 V |
Form,Package,Functional compatible component
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