| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
| TC74HC148AP | Toshiba | IC HC/UH SERIES, 8-BIT ENCODER, PDIP16, 0.300 INCH, 2.54 MM PITCH, PLASTIC, DIP-16, Arithmetic Circuit | |
| T74LS148B1 | Stmicroelectronics | LS SERIES, 8-BIT ENCODER, PDIP16, PLASTIC, DIP-16 | |
 | SN74LS685DW | Texas Instruments | LS SERIES, 8-BIT MAGNITUDE COMPARATOR, INVERTED OUTPUT, PDSO20, SO-20 |
| TC74HCT688AP | Toshiba | IC HCT SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDIP20, 0.300 INCH, 2.54 MM PITCH, PLASTIC, DIP-20, Arithmetic Circuit | |
| TC74HC688AFW | Toshiba | IC HC/UH SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20, 0.300 INCH, PLASTIC, SOIC-20, Arithmetic Circuit | |
| TC74HC688AP | Toshiba | IC HC/UH SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDIP20, 0.300 INCH, 2.54 MM PITCH, PLASTIC, DIP-20, Arithmetic Circuit | |
 | TC74HC85AP | Toshiba | IC HC/UH SERIES, 4-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, PDIP16, 0.300 INCH, 2.54 MM PITCH, PLASTIC, DIP-16, Arithmetic Circuit |
 | TC74HC283AP | Toshiba | IC HC/UH SERIES, 4-BIT ADDER/SUBTRACTOR, PDIP16, 0.300 INCH, 2.54 MM PITCH, PLASTIC, DIP-16, Arithmetic Circuit |
| SN74LS384N | Texas Instruments | LS SERIES, 8-BIT MULTIPLIER, PDIP16 | |
 | SN74LS283M | Onsemi | LS SERIES, 4-BIT ADDER/SUBTRACTOR, PDSO16, EIAJ, SOP-16 |
 | SN74LS85M | Onsemi | LS SERIES, 4-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, PDSO16, EIAJ, SOP-16 |
| SN74LS85MEL | Onsemi | LS SERIES, 4-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, PDSO16, EIAJ, SOP-16 | |
| TC74AC280FN | Toshiba | IC AC SERIES, 9-BIT PARITY GENERATOR/CHECKER, COMPLEMENTARY OUTPUT, PDSO14, 0.150 INCH, 1.27 MM PITCH, PLASTIC, SOL-14, Arithmetic Circuit | |
 | NTE74LS181 | NTE Electronics | Logic Circuit, |
| NTE74LS148 | NTE Electronics | Logic Circuit, | |
No Image | AD534KD | Analog Devices | 4-Bit Analog Multiplier/Divider IC, 1MHz, 0.25% Acc, TO-116 |
No Image | HD74LS280P | Renesas | 9-Bit Parity Generator/Checker IC, TTL, 5V, DIP14 |
No Image | HD74LS85P | Renesas | 4-Bit Magnitude Comparator, TTL, 45ns, DIP16 |
No Image | HD74HC85P | Renesas | 4-Bit CMOS Magnitude Comparator, True Output, DIP-16 |
No Image | HD74HC688P | Renesas | 8-Bit Identity Comparator IC, CMOS, Inverted Output, DIP20 |