| Mfr Part # | Mfr | Series | Package | Product Status | Accessory Type |
|---|---|---|---|---|---|
| SN74F280BNS | Texas Instruments | 74F | Tube | Active | - |
| SNJ54S280W | Texas Instruments | 54S | Tube | Active | - |
| JM38510/32901BCA | Texas Instruments | 54LS | Tube | Active | - |
| CD54HCT280F3A | Texas Instruments | 54HCT | Tube | Active | - |
| SNJ54LS280J | Texas Instruments | 54LS | Tube | Active | - |
| SN54S280J | Texas Instruments | 54S | Tube | Active | - |
| SN74LS280NS | Texas Instruments | 74LS | Tube | Active | - |
| SNJ54LS280W | Texas Instruments | 54LS | Tube | Active | - |
| M38510/32901BCA | Texas Instruments | 54LS | Tube | Active | - |
| CD54HC280F3A | Texas Instruments | 54HC | Tube | Active | - |