| PartNumber | U2100B-MFPG3 | U2100B-M | U2100B-MFP |
| Description | IC TIMER CTRLR TRIAC/RELAY 8SOIC | IC TIMER CTRLR TRIAC/RELAY 8-DIP | IC TIMER CTRLR TRIAC/RELAY 8SOIC |
| Manufacturer | Atmel | - | - |
| Product Category | Clock/Timing - Application Specific | - | - |
| Series | - | - | - |
| Packaging | Tape & Reel (TR) | - | - |
| Package Case | 8-SOIC (0.154", 3.90mm Width) | - | - |
| Operating Temperature | 0°C ~ 100°C | - | - |
| Mounting Type | Surface Mount | - | - |
| Voltage Supply | - | - | - |
| Supplier Device Package | 8-SO | - | - |
| PLL | No | - | - |
| Main Purpose | Triac Relay | - | - |
| Input | - | - | - |
| Output | - | - | - |
| Number of Circuits | 1 | - | - |
| Ratio InputOutput | 1899/12/30 2:01:00 | - | - |
| Differential InputOutput | No/No | - | - |
| Frequency Max | - | - | - |