| Part Name | Order | Program Memory (KB) | RAM (KB) | Operating Voltage Min (V) |
|---|---|---|---|---|
| R5F2138CZKFP | contact | 128.0 | 10.0 | 2.7 |
| R5F2138CZJFP | contact | 128.0 | 10.0 | 2.7 |
| R5F2138CYKFP | contact | 128.0 | 10.0 | 2.7 |
| R5F2138CYJFP | contact | 128.0 | 10.0 | 2.7 |
| R5F2138CXKFP | contact | 128.0 | 10.0 | 2.7 |
| R5F2138CXJFP | contact | 128.0 | 10.0 | 2.7 |
| R5F2138CWKFP | contact | 128.0 | 10.0 | 2.7 |
| R5F2138CWJFP | contact | 128.0 | 10.0 | 2.7 |
| R5F2138AZKFP | contact | 96.0 | 8.0 | 2.7 |
| R5F2138AZJFP | contact | 96.0 | 8.0 | 2.7 |
| R5F2138AYKFP | contact | 96.0 | 8.0 | 2.7 |
| R5F2138AYJFP | contact | 96.0 | 8.0 | 2.7 |
| R5F2138AXKFP | contact | 96.0 | 8.0 | 2.7 |
| R5F2138AXJFP | contact | 96.0 | 8.0 | 2.7 |
| R5F2138AWKFP | contact | 96.0 | 8.0 | 2.7 |
| R5F2138AWJFP | contact | 96.0 | 8.0 | 2.7 |
| R5F21388ZKFP | contact | 64.0 | 6.0 | 2.7 |
| R5F21388ZJFP | contact | 64.0 | 6.0 | 2.7 |
| R5F21388YKFP | contact | 64.0 | 6.0 | 2.7 |
| R5F21388YJFP | contact | 64.0 | 6.0 | 2.7 |
| R5F21388XKFP | contact | 64.0 | 6.0 | 2.7 |
| R5F21388XJFP | contact | 64.0 | 6.0 | 2.7 |
| R5F21388WKFP | contact | 64.0 | 6.0 | 2.7 |
| R5F21388WJFP | contact | 64.0 | 6.0 | 2.7 |
The R8C/38W, R8C/38X, R8C/38Y, and R8C/38Z are 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.
