| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| SN54F20J | DUAL 4-INPUT POSITIVE-NAND GATES | Texas-Instruments | J | 14 | -55°C | 125°C | 68 K |
| SN74F21D | DUAL 4-INPUT POSITIVE-AND GATES | Texas-Instruments | D | 14 | 0°C | 70°C | 67 K |
| SN74F21DR | DUAL 4-INPUT POSITIVE-AND GATES | Texas-Instruments | D | 14 | 0°C | 70°C | 67 K |
| SN74F21N | DUAL 4-INPUT POSITIVE-AND GATES | Texas-Instruments | N | 14 | 0°C | 70°C | 67 K |
| SN74F258DR | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS | Texas-Instruments | D | 16 | 0°C | 70°C | 75 K |
| SN74F258DR | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS | Texas-Instruments | D | 16 | 0°C | 70°C | 75 K |
| SN74F258N | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS | Texas-Instruments | N | 16 | 0°C | 70°C | 75 K |
| SN74F258N | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS | Texas-Instruments | N | 16 | 0°C | 70°C | 75 K |
| SNJ54F20FK | DUAL 4-INPUT POSITIVE-NAND GATES | Texas-Instruments | FK | 20 | -55°C | 125°C | 68 K |
| SNJ54F20J | DUAL 4-INPUT POSITIVE-NAND GATES | Texas-Instruments | J | 14 | -55°C | 125°C | 68 K |
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