| Part name | Description | Manufacturer | Package | Pins | Temp. Range | PDF datasheet |
| IDT54FCT521TL | Fast CMOS 8-bit identity comparator | Integrated Device Technology, Inc. | LCC | 20 | -55°C | 125°C | IDT54FCT521TL datasheet (100K) |
| IDT54FCT521TLB | Fast CMOS 8-bit identity comparator | Integrated Device Technology, Inc. | LCC | 20 | -55°C | 125°C | IDT54FCT521TLB datasheet (100K) |
| IDT54FCT521TP | Fast CMOS 8-bit identity comparator | Integrated Device Technology, Inc. | SSOP | 20 | -55°C | 125°C | IDT54FCT521TP datasheet (100K) |
| IDT54FCT521TPB | Fast CMOS 8-bit identity comparator | Integrated Device Technology, Inc. | SSOP | 20 | -55°C | 125°C | IDT54FCT521TPB datasheet (100K) |
| IDT54FCT521TQ | Fast CMOS 8-bit identity comparator | Integrated Device Technology, Inc. | QSOP | 20 | -55°C | 125°C | IDT54FCT521TQ datasheet (100K) |
| IDT54FCT521TQB | Fast CMOS 8-bit identity comparator | Integrated Device Technology, Inc. | QSOP | 20 | -55°C | 125°C | IDT54FCT521TQB datasheet (100K) |
| IDT54FCT521TSO | Fast CMOS 8-bit identity comparator | Integrated Device Technology, Inc. | SOIC | 20 | -55°C | 125°C | IDT54FCT521TSO datasheet (100K) |
| IDT54FCT521TSOB | Fast CMOS 8-bit identity comparator | Integrated Device Technology, Inc. | SOIC | 20 | -55°C | 125°C | IDT54FCT521TSOB datasheet (100K) |
| IDT54FCT533AD | Fast CMOS octal transparent latche | Integrated Device Technology, Inc. | CERDIP | 20 | -55°C | 125°C | IDT54FCT533AD datasheet (160K) |
| IDT54FCT533AE | Fast CMOS octal transparent latche | Integrated Device Technology, Inc. | CERPACK | 20 | -55°C | 125°C | IDT54FCT533AE datasheet (160K) |
