| Mfr Part # | Mfr | Series | Package | Product Status | Accessory Type |
|---|---|---|---|---|---|
| 74HC280FPEL-E | Renesas Electronics America Inc | * | Bulk | Active | - |
| QS74FCT521BTSO | Quality Semiconductor | 74FCT | Bulk | Obsolete | - |
| SN74LS280D | onsemi | 74LS | Tube | Obsolete | - |
| SN74LS280N | onsemi | 74LS | Tube | Obsolete | - |
| DM74AS280N | Fairchild Semiconductor | 74AS | Tube | Obsolete | - |
| DM74AS286M | Fairchild Semiconductor | 74AS | Tube | Obsolete | - |
| DM74AS286MX | Fairchild Semiconductor | 74AS | Bulk | Obsolete | - |
| DM74AS280M | Fairchild Semiconductor | 74AS | Tube | Obsolete | - |
| CD54HCT280F/3A | Harris Corporation | 54HCT | Bulk | Active | - |
| QS74FCT280TQ | Quality Semiconductor | * | Bulk | Active | - |