| Part name | Description | Manufacturer | Package | Pins | Temp. Range | PDF datasheet |
| M38031FB-XXXFP | RAM size: 256bytes single chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 64 | -40°C | 85°C | M38031FB-XXXFP datasheet (2M) |
| M38031FB-XXXHP | RAM size: 256bytes single chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | LQFP | 64 | -40°C | 85°C | M38031FB-XXXHP datasheet (2M) |
| M38031FB-XXXSP | RAM size: 256bytes single chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 64 | -40°C | 85°C | M38031FB-XXXSP datasheet (2M) |
| M38031FC-FP | RAM size: 256bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 64 | -20°C | 85°C | M38031FC-FP datasheet (1M) |
| M38031FC-HP | RAM size: 256bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | LQFP | 64 | -20°C | 85°C | M38031FC-HP datasheet (1M) |
| M38031FC-SP | RAM size: 256bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | DIP | 64 | -20°C | 85°C | M38031FC-SP datasheet (1M) |
| M38031FC-XXXFP | RAM size: 256bytes single chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 64 | -40°C | 85°C | M38031FC-XXXFP datasheet (2M) |
| M38031FC-XXXHP | RAM size: 256bytes single chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | LQFP | 64 | -40°C | 85°C | M38031FC-XXXHP datasheet (2M) |
| M38031FC-XXXSP | RAM size: 256bytes single chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 64 | -40°C | 85°C | M38031FC-XXXSP datasheet (2M) |
| M38031FD-FP | RAM size: 256bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 64 | -20°C | 85°C | M38031FD-FP datasheet (1M) |
