| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| DM74S253N | Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer | Fairchild-Semiconductor | MDIP | 16 | - | - | 49 K |
| DM74S257CW | Quad 3-STATE 2-to-1 Line Data Selector/Multiplexer | Fairchild-Semiconductor | - | - | - | - | 47 K |
| DM74S257N | Quad 3-STATE 2-to-1 Line Data Selector/Multiplexer | Fairchild-Semiconductor | MDIP | 16 | - | - | 47 K |
| SN74S257D | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS | Texas-Instruments | D | 16 | 0°C | 70°C | 248 K |
| SN74S257N | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS | Texas-Instruments | N | 16 | 0°C | 70°C | 248 K |
| SN74S257N3 | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS | Texas-Instruments | N | 16 | 0°C | 70°C | 248 K |
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