| No. | Nome della parte | Descrizione | Fabbricatore |
| 725801 | M54HC192F1R | SYNCHRONOUS UP / DOWN DECENNIO (, BINARY) COUNTER | SGS Thomson Microelectronics |
| 725802 | M54HC192M1R | DECADE(/binary) CONTATORE UP/down SINCRONO | ST Microelectronics |
| 725803 | M54HC192M1R | SYNCHRONOUS UP / DOWN DECENNIO (, BINARY) COUNTER | SGS Thomson Microelectronics |
| 725804 | M54HC193 | HC193 - CONTATORE BINARIO UP/down SINCRONO, HC192 - CONTATORE DI DECADE UP/down SINCRONO | SGS Thomson Microelectronics |
| 725805 | M54HC193 | CONTATORE BINARIO UP/down SINCRONO Rad-duro | ST Microelectronics |
| 725806 | M54HC193B1R | DECADE(/binary) CONTATORE UP/down SINCRONO | ST Microelectronics |
| 725807 | M54HC193B1R | SYNCHRONOUS UP / DOWN DECENNIO (, BINARY) COUNTER | SGS Thomson Microelectronics |
| 725808 | M54HC193C1R | DECADE(/binary) CONTATORE UP/down SINCRONO | ST Microelectronics |
| 725809 | M54HC193C1R | SYNCHRONOUS UP / DOWN DECENNIO (, BINARY) COUNTER | SGS Thomson Microelectronics |
| 725810 | M54HC193DG | Rad-Hard sincrono Up / Down Contatore binario | ST Microelectronics |
| 725811 | M54HC193DT | Rad-Hard sincrono Up / Down Contatore binario | ST Microelectronics |
| 725812 | M54HC193F1R | DECADE(/binary) CONTATORE UP/down SINCRONO | ST Microelectronics |
| 725813 | M54HC193F1R | SYNCHRONOUS UP / DOWN DECENNIO (, BINARY) COUNTER | SGS Thomson Microelectronics |
| 725814 | M54HC193K | CONTATORE BINARIO UP/down SINCRONO Rad-duro | ST Microelectronics |
| 725815 | M54HC193KG | Rad-Hard sincrono Up / Down Contatore binario | ST Microelectronics |
| 725816 | M54HC193KT | Rad-Hard sincrono Up / Down Contatore binario | ST Microelectronics |
| 725817 | M54HC193M1R | DECADE(/binary) CONTATORE UP/down SINCRONO | ST Microelectronics |
| 725818 | M54HC193M1R | SYNCHRONOUS UP / DOWN DECENNIO (, BINARY) COUNTER | SGS Thomson Microelectronics |
| 725819 | M54HC194 | 4 REGISTRO A SCORRIMENTO DEL BIT PIPO | SGS Thomson Microelectronics |
| 725820 | M54HC194 | 4 REGISTRO A SCORRIMENTO DEL BIT PIPO | ST Microelectronics |
| 725821 | M54HC194DG | Rad-Hard 4-bit PIPO Merda Register | ST Microelectronics |
| 725822 | M54HC194DT | Rad-Hard 4-bit PIPO Merda Register | ST Microelectronics |
| 725823 | M54HC194F1R | 4 REGISTRO A SCORRIMENTO DEL BIT PIPO | ST Microelectronics |
| 725824 | M54HC194F1R | 4 BIT PIPO SHIFT REGISTER | SGS Thomson Microelectronics |
| 725825 | M54HC195 | 8 REGISTRO A SCORRIMENTO DEL BIT PIPO | SGS Thomson Microelectronics |
| 725826 | M54HC195 | 8 REGISTRO A SCORRIMENTO DEL BIT PIPO | ST Microelectronics |
| 725827 | M54HC195F1R | 8 REGISTRO A SCORRIMENTO DEL BIT PIPO | ST Microelectronics |
| 725828 | M54HC195F1R | 8 BIT PIPO SHIFT REGISTER | SGS Thomson Microelectronics |
| 725829 | M54HC20 | CANCELLO DOPPIO DI 4-input NAND | SGS Thomson Microelectronics |
| 725830 | M54HC20 | CANCELLO DOPPIO Rad-duro Di 4-input NAND | ST Microelectronics |
| 725831 | M54HC20D | CANCELLO DOPPIO Rad-duro Di 4-input NAND | ST Microelectronics |
| 725832 | M54HC20DG | Rad-Hard Dual 4-Input NAND | ST Microelectronics |
| 725833 | M54HC20DT | Rad-Hard Dual 4-Input NAND | ST Microelectronics |
| 725834 | M54HC20F1R | CANCELLO DOPPIO DI 4-input NAND | ST Microelectronics |
| 725835 | M54HC20KG | Rad-Hard Dual 4-Input NAND | ST Microelectronics |
| 725836 | M54HC20KT | Rad-Hard Dual 4-Input NAND | ST Microelectronics |
| 725837 | M54HC21 | 4-input DOPPIO E CANCELLO | SGS Thomson Microelectronics |
| 725838 | M54HC21 | 4-input DOPPIO Rad-duro E CANCELLO | ST Microelectronics |
| 725839 | M54HC21D | 4-input DOPPIO Rad-duro E CANCELLO | ST Microelectronics |
| 725840 | M54HC21DG | Rad-Hard Dual 4-Input AND Gate | ST Microelectronics |
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