| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| 74F521SC | 8-Bit Identity Comparator | Fairchild-Semiconductor | SOIC | 20 | - | - | 68 K |
| 74F521SCX | 8-Bit Identity Comparator | Fairchild-Semiconductor | SOIC | 20 | - | - | 68 K |
| 74F521SJ | 8-Bit Identity Comparator | Fairchild-Semiconductor | SOIC | 20 | - | - | 68 K |
| 74F521SJX | 8-Bit Identity Comparator | Fairchild-Semiconductor | SOIC | 20 | - | - | 68 K |
| IDT54FCT521SOB | Fast CMOS 8-bit identity comparator | Integrated-Device-Technology-Inc- | SOIC | 20 | -55°C | 125°C | 102 K |
| IDT74FCT521SO | Fast CMOS 8-bit identity comparator | Integrated-Device-Technology-Inc- | SOIC | 20 | 0°C | 70°C | 102 K |
| IDT74FCT521SOB | Fast CMOS 8-bit identity comparator | Integrated-Device-Technology-Inc- | SOIC | 20 | 0°C | 70°C | 102 K |
| SPX1521S | 300mA low dropout voltage regulator | Sipex-Corporation | SOIC | 8 | -40°C | 125°C | 161 K |
| SPX1521S-2.5 | 300mA low dropout voltage regulator | Sipex-Corporation | SOIC | 8 | -40°C | 125°C | 161 K |
| SPX1521S-3.3 | 300mA low dropout voltage regulator | Sipex-Corporation | SOIC | 8 | -40°C | 125°C | 161 K |
| SPX1521S-3.3 | 300mA low dropout voltage regulator | Sipex-Corporation | SOIC | 8 | -40°C | 125°C | 161 K |
| [1] 2 [3] [4] |
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