| Part Name | Order | Program Memory (KB) | RAM (KB) | Operating Voltage Min (V) |
|---|---|---|---|---|
| R5F21184SP | contact | 16.0 | 1.0 | 2.7 |
| R5F21184DSP | contact | 16.0 | 1.0 | 2.7 |
| R5F21183SP | contact | 12.0 | 0.75 | 2.7 |
| R5F21183DSP | contact | 12.0 | 0.75 | 2.7 |
| R5F21182SP | contact | 8.0 | 0.5 | 2.7 |
| R5F21182DSP | contact | 8.0 | 0.5 | 2.7 |
| R5F21181SP | contact | 4.0 | 0.375 | 2.7 |
| R5F21181DSP | contact | 4.0 | 0.375 | 2.7 |
| R5F21182NP | contact | 8.0 | 0.5 | 2.7 |
| R5F21184NP | contact | 16.0 | 1.0 | 2.7 |
| R5F21184DD | contact | 16.0 | 1.0 | 2.7 |
| R5F21183DD | contact | 12.0 | 0.75 | 2.7 |
| R5F21182DD | contact | 8.0 | 0.5 | 2.7 |
| R5F21183NP | contact | 12.0 | 0.75 | 2.7 |
| R5F21181DD | contact | 4.0 | 0.375 | 2.7 |
The R8C/18 is based on the R8C CPU Core. Maximum operating frequency is 20 MHz. A Flash Memory Version is available. Internal Flash Memory is programmable on a single power source.
