| Компонент | Описание | Производитель | |
| UPD75P54 | 4-Bit, Single-Chip, One-Time Programmable (OTP) CMOS Microcomputers With Serial I/O |
NEC |
|
| UPD75P54CS | 4-Bit, Single-Chip, One-Time Programmable (OTP) CMOS Microcomputers With Serial I/O |
NEC |
|
| UPD75P54G | 4-Bit, Single-Chip, One-Time Programmable (OTP) CMOS Microcomputers With Serial I/O |
NEC |