| 型号 | 厂家 | 封装 | 批号 |
| 23A640-E/P | Microchip | DIP-8 | 22+ |
| 23A640-E/SN | Microchip | SOP-8 | 22+ |
| 23A640-E/ST | Microchip | TSSOP-8 | 22+ |
| 23A640T-E/SN | Microchip | SOP-8 | 22+ |
| 23A640/SN | Microchip | SOP-8 | 22+ |
| 23A640T-E/ST | Microchip | TSSOP-8 | 22+ |
| 23A640T/SN | Microchip | SOP-8 | 22+ |
| 23A640/ST | Microchip | TSSOP-8 | 22+ |
| 24A1026-I/SN | Microchip | SOP-8 | 22+ |
| 24A1025-I/SN | Microchip | SOP-8 | 22+ |
