Datasheet Microchip MCP121
| Manufacturer | Microchip |
| Series | MCP121 |
The MCP121 Series of CMOS voltage detectors are well suited for many portable and consumer electrics applications due to the extremely low 1uA operating current and small surface-mount packaging
Datasheets
Prices
Status
| MCP121-195I/SNG | MCP121-195I/TO | MCP121-240E/SNG | MCP121-240E/TO | MCP121-270E/SNG | MCP121-270E/TO | MCP121-300E/SNG | MCP121-300E/TO | MCP121-315E/SNG | MCP121-315E/TO | MCP121-450E/SNG | MCP121-450E/TO | MCP121-475E/SNG | MCP121-475E/TO | MCP121T-195I/LB | MCP121T-195I/TT | MCP121T-240E/LB | MCP121T-240E/TT | MCP121T-270E/LB | MCP121T-270E/TT | MCP121T-300E/LB | MCP121T-300E/TT | MCP121T-315E/LB | MCP121T-315E/TT | MCP121T-315E/TTVAO | MCP121T-416E/TT | MCP121T-450E/LB | MCP121T-450E/TT | MCP121T-475E/LB | MCP121T-475E/TT | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lifecycle Status | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) |
Packaging
| MCP121-195I/SNG | MCP121-195I/TO | MCP121-240E/SNG | MCP121-240E/TO | MCP121-270E/SNG | MCP121-270E/TO | MCP121-300E/SNG | MCP121-300E/TO | MCP121-315E/SNG | MCP121-315E/TO | MCP121-450E/SNG | MCP121-450E/TO | MCP121-475E/SNG | MCP121-475E/TO | MCP121T-195I/LB | MCP121T-195I/TT | MCP121T-240E/LB | MCP121T-240E/TT | MCP121T-270E/LB | MCP121T-270E/TT | MCP121T-300E/LB | MCP121T-300E/TT | MCP121T-315E/LB | MCP121T-315E/TT | MCP121T-315E/TTVAO | MCP121T-416E/TT | MCP121T-450E/LB | MCP121T-450E/TT | MCP121T-475E/LB | MCP121T-475E/TT | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| Package | SOIC | TO-92 | SOIC | TO-92 | SOIC | TO-92 | SOIC | TO-92 | SOIC | TO-92 | SOIC | TO-92 | SOIC | TO-92 | SC70 | SOT-23 | SC70 | SOT-23 | SC70 | SOT-23 | SC70 | SOT-23 | SC70 | SOT-23 | SOT-23 | SOT-23 | SC70 | SOT-23 | SC70 | SOT-23 |
| Pins | 8 | 3 | 8 | 3 | 8 | 3 | 8 | 3 | 8 | 3 | 8 | 3 | 8 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Parametrics
| Parameters / Models | MCP121-195I/SNG | MCP121-195I/TO | MCP121-240E/SNG | MCP121-240E/TO | MCP121-270E/SNG | MCP121-270E/TO | MCP121-300E/SNG | MCP121-300E/TO | MCP121-315E/SNG | MCP121-315E/TO | MCP121-450E/SNG | MCP121-450E/TO | MCP121-475E/SNG | MCP121-475E/TO | MCP121T-195I/LB | MCP121T-195I/TT | MCP121T-240E/LB | MCP121T-240E/TT | MCP121T-270E/LB | MCP121T-270E/TT | MCP121T-300E/LB | MCP121T-300E/TT | MCP121T-315E/LB | MCP121T-315E/TT | MCP121T-315E/TTVAO | MCP121T-416E/TT | MCP121T-450E/LB | MCP121T-450E/TT | MCP121T-475E/LB | MCP121T-475E/TT |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manual Reset | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
| Nominal Reset Voltage, V | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 | 1.95 (I-Temp), 2.4, 2.7, 3, 3.15, 4.5, 4.75 |
| Operating Temp. Range, °C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Operating Temperature Range, °C | -40 to +85 | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +85 | -40 to +85 | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +125 | |||||||||
| Output | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain | Open-Drain |
| Power Fail | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
| Product Type | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor | Supervisor |
| Reset Type | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low | Active Low |
| Typical Reset Pulse Width, ms | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 |
| Typical Supply Current, µA | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| VCC Range, V | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 | 1 - 5.5 |
| Watchdog Timer | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
Eco Plan
| MCP121-195I/SNG | MCP121-195I/TO | MCP121-240E/SNG | MCP121-240E/TO | MCP121-270E/SNG | MCP121-270E/TO | MCP121-300E/SNG | MCP121-300E/TO | MCP121-315E/SNG | MCP121-315E/TO | MCP121-450E/SNG | MCP121-450E/TO | MCP121-475E/SNG | MCP121-475E/TO | MCP121T-195I/LB | MCP121T-195I/TT | MCP121T-240E/LB | MCP121T-240E/TT | MCP121T-270E/LB | MCP121T-270E/TT | MCP121T-300E/LB | MCP121T-300E/TT | MCP121T-315E/LB | MCP121T-315E/TT | MCP121T-315E/TTVAO | MCP121T-416E/TT | MCP121T-450E/LB | MCP121T-450E/TT | MCP121T-475E/LB | MCP121T-475E/TT | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Other Options
Model Line
Series: MCP121 (30)
- MCP121-195I/SNG MCP121-195I/TO MCP121-240E/SNG MCP121-240E/TO MCP121-270E/SNG MCP121-270E/TO MCP121-300E/SNG MCP121-300E/TO MCP121-315E/SNG MCP121-315E/TO MCP121-450E/SNG MCP121-450E/TO MCP121-475E/SNG MCP121-475E/TO MCP121T-195I/LB MCP121T-195I/TT MCP121T-240E/LB MCP121T-240E/TT MCP121T-270E/LB MCP121T-270E/TT MCP121T-300E/LB MCP121T-300E/TT MCP121T-315E/LB MCP121T-315E/TT MCP121T-315E/TTVAO MCP121T-416E/TT MCP121T-450E/LB MCP121T-450E/TT MCP121T-475E/LB MCP121T-475E/TT
Manufacturer's Classification
- Power Management > Voltage Detectors
