| 54AC520 | National Semiconductor | 8-Bit Identity Comparator |
| 54AC521 | National Semiconductor | 8-Bit Identity Comparator |
| 54ACT520 | National Semiconductor | 8-Bit Identity Comparator |
| 54ACT521 | National Semiconductor | 8-Bit Identity Comparator |
| 54F521 | National Semiconductor | 8-Bit Identity Comparator |
| 54FCT521 | National Semiconductor | 8-Bit Identity Comparator |
| 54LS85 | National Semiconductor | 4-Bit Magnitude Comparator |
| CD4063BMS | Intersil | Digital Comparator, 4-Bit Magnitude, Rad-Hard, CMOS, Logic |
| CD4585BMS | Intersil | Digital Comparator, 4-Bit Magnitude, 3 Cascading Inputs for Expanding Comparator Function, Rad-Hard, CMOS, Logic |
| DM9324 | National Semiconductor | 5-Bit Comparator |
| HCTS85MS | Intersil | Comparator, Digital, Magnitude, 4-Bit, TTL Inputs, Rad-Hard, High-Speed, CMOS, Logic |
| MC100E166 | ON Semiconductor | 5V ECL 9-Bit Magnitude Comparator |
| MC10E1651 | ON Semiconductor | 5V, -5V ECL Dual ECL Output Comparator With Latch |
| MC10E1652 | ON Semiconductor | 5V ECL Dual ECL Output Comparator With Latch |
| MXL1016 | Maxim | Ultra-Fast Precision TTL Comparator |
| MXL1116 | Maxim | |