| Mfr Part # | Mfr | Series | Package | Product Status | Accessory Type |
|---|---|---|---|---|---|
| 74FCT521ZATSO | IDT, Integrated Device Technology Inc | * | Bulk | Active | - |
| SN74F521NS | Texas Instruments | 74F | Bulk | Active | - |
| 74HC688PW,118 | Nexperia USA Inc. | 74HC | Tape & Reel (TR),Cut Tape (CT) | Active | - |
| 74HC688PW,112 | Nexperia USA Inc. | 74HC | Tube | Obsolete | - |
| CD74HC85EX | Harris Corporation | 74HC | Bulk | Active | - |
| 74LS85PC | National Semiconductor | 74LS | Bulk | Active | - |
| CD4063BE | Harris Corporation | 4000B | Tube | Obsolete | - |
| CD74HC85NS | Texas Instruments | 74HC | Bulk | Active | - |
| CD74FCT521TQM | Harris Corporation | - | Bulk | Active | - |
| CD74FCT521ATM | Harris Corporation | - | Bulk | Active | - |