| Part Number | Status | Samples | Stock | Package | Lead Count (#) | Temp. Grade | Pb (Lead) Free | Carrier Type |
|---|---|---|---|---|---|---|---|---|
| 54FCT521ADB | Obsolete | N/A | Out of Stock | CDIP | 20# | M | No | Tube |
| 54FCT521AEB | Obsolete | N/A | Out of Stock | CPACK | 20# | M | No | Tube |
| 54FCT521ALB | Obsolete | N/A | Out of Stock | LCC | 20# | M | No | Tube |
| 54FCT521BDB | Obsolete | N/A | Out of Stock | CDIP | 20# | M | No | Tube |
| 54FCT521BEB | Obsolete | N/A | Out of Stock | CPACK | 20# | M | No | Tube |
| 54FCT521BLB | Obsolete | N/A | Out of Stock | LCC | 20# | M | No | Tube |
| 54FCT521CDB | Obsolete | N/A | Out of Stock | CDIP | 20# | M | No | Tube |
| 54FCT521CEB | Obsolete | N/A | Out of Stock | CPACK | 20# | M | No | Tube |
| 54FCT521CLB | Obsolete | N/A | Out of Stock | LCC | 20# | M | No | Tube |
| 54FCT521DB | Obsolete | N/A | Out of Stock | CDIP | 20# | M | No | Tube |
| 54FCT521EB | Obsolete | N/A | Out of Stock | CPACK | 20# | M | No | Tube |
| 54FCT521LB | Obsolete | N/A | Out of Stock | LCC | 20# | M | No | Tube |
| 5962-88543012A | Obsolete | N/A | Out of Stock | LCC | 20# | M | No | Tube |
| 5962-8854301RA | Obsolete | N/A | Out of Stock | CDIP | 20# | M | No | Tube |
| 5962-8854301SA | Obsolete | N/A | Out of Stock | CPACK | 20# | M | No | Tube |
| 5962-88543022A | Obsolete | N/A | Out of Stock | LCC | 20# | M | No | Tube |
| 5962-8854302RA | Obsolete | N/A | Out of Stock | CDIP | 20# | M | No | Tube |
| 5962-8854302SA | Obsolete | N/A | Out of Stock | CPACK | 20# | M | No | Tube |
| 5962-88543032A | Obsolete | N/A | Out of Stock | LCC | 20# | M | No | Tube |
| 5962-8854303RA | Obsolete | N/A | Out of Stock | CDIP | 20# | M | No | Tube |
| 5962-8854303SA | Obsolete | N/A | Out of Stock | CPACK | 20# | M | No | Tube |
| 74FCT521AP | Obsolete | N/A | Out of Stock | PDIP | 20# | C | No | Tube |
| 74FCT521ASO | Obsolete | N/A | Out of Stock | SOIC | 20# | C | No | Tube |
| 74FCT521ASO8 | Obsolete | N/A | Out of Stock | SOIC | 20# | C | No | Reel |
| 74FCT521BP | Obsolete | N/A | Out of Stock | PDIP | 20# | C | No | Tube |
| 74FCT521BSO | Obsolete | N/A | Out of Stock | SOIC | 20# | C | No | Tube |
| 74FCT521BSO8 | Obsolete | N/A | Out of Stock | SOIC | 20# | C | No | Reel |
| 74FCT521CP | Obsolete | N/A | Out of Stock | PDIP | 20# | C | No | Tube |
| 74FCT521CSO | Obsolete | N/A | Out of Stock | SOIC | 20# | C | No | Tube |
| 74FCT521CSO8 | Obsolete | N/A | Out of Stock | SOIC | 20# | C | No | Reel |
| 74FCT521P | Obsolete | N/A | Out of Stock | PDIP | 20# | C | No | Tube |
| 74FCT521PI | Obsolete | N/A | Out of Stock | PDIP | 20# | I | No | Tube |
| 74FCT521SO | Obsolete | N/A | Out of Stock | SOIC | 20# | C | No | Tube |
| 74FCT521SO8 | Obsolete | N/A | Out of Stock | SOIC | 20# | C | No | Reel |
| FCT521U | Obsolete | N/A | Out of Stock | WAFER | 0 | C | Yes | Wafer |
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