| Part name | Description | Manufacturer | Package | Pins | Temp. Range | PDF datasheet |
| M37640M8-XXXFP | Single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | N/A | 80 | -20°C | 85°C | M37640M8-XXXFP datasheet (1M) |
| M37641F8-FP | RAM size:1024 bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 80 | -20°C | 70°C | M37641F8-FP datasheet (1M) |
| M37641F8-HP | RAM size:1024 bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | LQFP | 80 | -20°C | 70°C | M37641F8-HP datasheet (1M) |
| M37641F8A-FP | RAM size:1024 bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 80 | -20°C | 70°C | M37641F8A-FP datasheet (1M) |
| M37641F8A-HP | RAM size:1024 bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | LQFP | 80 | -20°C | 70°C | M37641F8A-HP datasheet (1M) |
| M37641M8-FP | RAM size:1024 bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 80 | -20°C | 70°C | M37641M8-FP datasheet (1M) |
| M37641M8-XXXFP | RAM size:1024 bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 80 | -20°C | 70°C | M37641M8-XXXFP datasheet (1M) |
| M37641M8-XXXHP | RAM size:1024 bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | LQFP | 80 | -20°C | 70°C | M37641M8-XXXHP datasheet (1M) |
| M37641M8A-FP | RAM size:1024 bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 80 | -20°C | 70°C | M37641M8A-FP datasheet (1M) |
| M37641M8A-XXXFP | RAM size:1024 bytes; single-chip 8-bit CMOS microcomputer | Mitsubishi Electric Corporation, Semiconductor Group | QFP | 80 | -20°C | 70°C | M37641M8A-XXXFP datasheet (1M) |
