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| PartNumber | RE46C166E16F | RE46C166S16F | RE46C166S16TF |
| Description | Smoke Detectors Photo SD IC w/Alarm Mem Temp | Smoke Detectors Photo S.D IC w/Alarm Mem Cont. | Smoke Detectors Photo S.D IC w/Alarm Mem Cont. |
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Category | Interface - Sensor and Detector Interfaces | Interface - Sensor and Detector Interfaces | Interface - Sensor and Detector Interfaces |
| Series | - | - | - |
| Type | Smoke Detector | Smoke Detector | Smoke Detector |
| Packaging | Tube | Tube Alternate Packaging | Tape & Reel (TR) Alternate Packaging |
| Mounting Style | Through Hole | - | SMD/SMT |
| Operating Temperature Range | - 25 C to + 75 C | - | - 25 C to + 75 C |
| Package Case | PDIP-16 | 16-SOIC (0.154", 3.90mm Width) | SOIC-16 Narrow |
| Input Type | Photoelectric | Photoelectric | Photoelectric |
| Operating Temperature | -25°C ~ 75°C | -25°C ~ 75°C | -25°C ~ 75°C |
| Mounting Type | Through Hole | Surface Mount | Surface Mount |
| Output Type | Voltage | Voltage | Voltage |
| Interface | - | - | - |
| Supplier Device Package | 16-PDIP | 16-SOIC | 16-SOIC |
| Current Supply | 6μA | 6μA | 6μA |
| Sensing Method | Photoelectric | - | Photoelectric |
| Maximum Operating Temperature | + 75 C | - | + 75 C |
| Minimum Operating Temperature | - 25 C | - | - 25 C |
| Operating Supply Voltage | 12 V | - | 12 V |
| Description Function | CMOS Photoelectric Smoke Detector ASIC with Interconnect Timer Mode and Alarm Memory | - | CMOS Photoelectric Smoke Detector ASIC with Interconnect Timer Mode and Alarm Memory |
| Operating Supply Current | 5.5 uA | - | 5.5 uA |
| Output Signal Type | Temporial or Continuous Tone | - | Temporial or Continuous Tone |