| Mfr Part # | Mfr | Series | Package | Product Status | Accessory Type |
|---|---|---|---|---|---|
| 74ACT521SC | onsemi | 74ACT | Bulk,Tube | Obsolete | - |
| 74F524SC | onsemi | 74F | Tube | Obsolete | - |
| DM74ALS521WM | onsemi | 74ALS | Tube | Obsolete | - |
| CD74HCT688E | Harris Corporation | 74HCT | Tube | Obsolete | - |
| M74HC85B1R | STMicroelectronics | 74HC | Tube | Obsolete | - |
| M74HC688RM13TR | STMicroelectronics | 74HC | Tape & Reel (TR),Cut Tape (CT) | Obsolete | - |
| M74HC85RM13TR | STMicroelectronics | 74HC | Tape & Reel (TR),Cut Tape (CT) | Obsolete | - |
| MC14585BCP | onsemi | 4000B | Tube | Active | - |
| M74HC688TTR | STMicroelectronics | 74HC | Tape & Reel (TR),Cut Tape (CT) | Obsolete | - |
| MC14585BCPG | onsemi | 4000B | Tube | Obsolete | - |