| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
| SNJ54HC688J | Texas Instruments | 8-Bit Identity Comparators 20-CDIP -55 to 125 | |
| SNJ54F521J | Texas Instruments | 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-CDIP -55 to 125 | |
| SNJ54LS682J | Texas Instruments | 8-Bit Identity/Magnitude Comparators 20-CDIP -55 to 125 | |
| JM38510/34701BSA | Texas Instruments | 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-CFP -55 to 125 | |
 | AD534TH | Analog Devices | Analog Multiplier/Divider 4Bit 10-Pin TO-100 Tube |
 | CD74ACT283M96 | Texas Instruments | Binary Full Adder Single-Element 4-Bit 16-Pin SOIC T/R |
| SNJ54ALS688W | Texas Instruments | 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-CFP -55 to 125 | |
| SN54ALS520J | Texas Instruments | 8-Bit Identity/Magnitude Comparators (P=Q) with Enable and 20K Ohm Q-Input Pullup Resistors 20-CDIP -55 to 125 | |
| SN54S283J | Texas Instruments | 4-Bit Binary Full Adders With Fast Carry 16-CDIP -55 to 125 | |
 | SN74S280NSRG4 | Texas Instruments | LS SERIES, 9-BIT PARITY GENERATOR/CHECKER, COMPLEMENTARY OUTPUT, PDSO14, GREEN, PLASTIC, SOP-14 |
| SNJ54LS688J | Texas Instruments | 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-CDIP -55 to 125 | |
| 8415201RA | Texas Instruments | 8-Bit Identity/Magnitude Comparators 20-CDIP -55 to 125 | |
 | CD4063BPW | Texas Instruments | 4000/14000/40000 SERIES, 4-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, PDSO16, GREEN, PLASTIC, TSSOP-16 |
| SNJ54ALS520J | Texas Instruments | 8-Bit Identity/Magnitude Comparators (P=Q) with Enable and 20K Ohm Q-Input Pullup Resistors 20-CDIP -55 to 125 | |
 | SNJ54S283J | Texas Instruments | Binary Full Adder Single-Element 4-Bit 16-Pin CDIP Tube |
| CD54HCT688F3A | Texas Instruments | 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-CDIP -55 to 125 | |
| TC74HC283AF(F) | Toshiba | Binary Full Adder Single-Element 4-Bit 16-Pin SOP Tube | |
| 8415301RA | Texas Instruments | 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-CDIP -55 to 125 | |
| SN54ALS688J | Texas Instruments | 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-CDIP -55 to 125 | |
 | MC14008BDR2 | Onsemi | Binary Full Adder Single-Element 4-Bit Automotive 16-Pin SOIC T/R |