| Part Number | Components Description | Manufacturer |
| RE46C127 | CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode | R & E International, Inc. |
| RE46C140 | CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode | R & E International, Inc. |
| MC14568 | Low-Power CMOS Ionization Smoke Detector with Interconnect and Timer | Freescale Semiconductor, Inc |
| RE46C144 | CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode | R & E International, Inc. |
| RE46C145 | CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode | R & E International, Inc. |
| RE46C146 | CMOS Photoelectric Smoke Detector ASIC with Intelligent Interconnect and Timer Mode | R & E International, Inc. |
| RE46C121 | CMOS Ionization Smoke Detector ASIC with Interconnect | R & E International, Inc. |
| RE46C126 | CMOS Ionization Smoke Detector ASIC with Interconnect | R & E International, Inc. |
| RE46C128 | CMOS Ionization Smoke Detector ASIC with Interconnect | R & E International, Inc. |
| RE46C129 | CMOS Ionization Smoke Detector ASIC with Interconnect | R & E International, Inc. |
