| | 1 | 2 | | 3 | 4 | 5 | 6 | |
| IDT79 | RV | 3041 | - | 16 | J | | | |
| |
| 6. Special processing |
| RT | Radiation tolerant |
| |
| | 5. Operating temperature |
| Blank | Commercial range 0 - +70°C (R3xxx processors) or 0 - +85°C |
| B | MIL-STD-883, class B compliant (-55 - +125 °C) |
| I | Industrial range -40 - +85 °C |
| M | Military range -55 - +125 °C |
| |
| | | 4. Package type |
| BS | 272-pin SBGA |
| DL | 84-pin thermally enhanced PLCC |
| DP | 208-pin QFP |
| DU | 128-pin Plastic QFP |
| DZ | 128-pin Plastic QFP |
| F | Quad flat pack |
| FD | 84-pin cavity-down flatpack with thermal slug |
| FJ | 84-pin J-bend Cerpack with cavity up |
| G | Ceramic PGA |
| GD144 | 144-pin PGA |
| GD175 | 175-pin PGA |
| GH | 179-pin ceramic PGA |
| J | 84-pin plastic LCC |
| MD | MQUAD |
| MJ | 84-pin MQUAD |
| PF | Plastic QFP/TQFP |
| PH | Plastic LCC with the thermal slug |
| PM | 160-pin plastic QFP |
| QJ | 84-pin J-bend CerPack |
| |
| | 3. Frequency (MHz) |
| |
| | | | | | 2. Part number |
| 3000 | R3000 RISC processors |
| 3000A | R3000A 32-bit RISC processor |
| 3000AE | R3000A 32-bit RISC processor with enhanced timings |
| 3001 | R3000-compatible embedded controller |
| 3010 | R3010 FPU for R3000 processor |
| 3010A | R3010A FPU for R3000A processor |
| 3010AE | R3010A FPU with enhanced timings |
| 3041 | RISController for low cost systems |
| 3051 | Integrated RISController (4 KB code cache) |
| 3051E | Integrated RISController (4 KB code cache) with memory management unit |
| 3052 | Integrated RISController (8 KB code cache) |
| 3052E | Integrated RISController (8 KB code cache) with memory management unit |
| 3071 | RISController |
| 3071E | RISController with memory management unit |
| 3081 | RISController with FPU |
| 3081E | RISController with FPU and memory management unit |
| 3081L | Low-voltage RISController with FPU |
| 3081LE | Low-voltage RISController with FPU and memory management unit |
| 3500 | R3500 RISC processor |
| 3500A | R3500 RISC processor with enhanced timings |
| 4000PC | R4000 64-bit RISC processor with primary cache only |
| 4000SC | R4000 64-bit RISC processor with secindary cache |
| 4400PC | R4400 64-bit RISC processor with primary cache only |
| 4400SC | R4400 64-bit RISC processor with secindary cache |
| 4400MC | R4400 64-bit RISC processor with secondary cache (supports cache coherency protocols) |
| 4600 | R4600 64-bit RISC processor |
| 4640 | Low-cost embedded 64-bit RISController with DSP capability |
| 4650 | Low-cost embedded 64-bit RISController with DSP capability |
| 4700 | R4700 64-bit RISC processor |
| |
| | | | | | | 1. Operating voltage |
| R | 5V |
| RV | 3.3V |