| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| SN74LS247N | BCD-to-seven-segment decoder/driver | Motorola | PDIP | 20 | 0°C | 70°C | 280 K |
| SN74LS248N | BCD-to-seven-segment decoder/driver | Motorola | PDIP | 20 | 0°C | 70°C | 280 K |
| SN74LS251DW | 8-input multiplexer with 3-state outputs | Motorola | SOIC | 16 | 0°C | 70°C | 181 K |
| SN74LS251N | 8-input multiplexer with 3-state outputs | Motorola | PDIP | 16 | 0°C | 70°C | 181 K |
| SN74LS253DW | Dual 4-input multiplexer with 3-state outputs | Motorola | SOIC | 16 | 0°C | 70°C | 166 K |
| SN74LS253N | Dual 4-input multiplexer with 3-state outputs | Motorola | PDIP | 16 | 0°C | 70°C | 166 K |
| SN74LS256D | Dual 4-input addressable latch | Motorola | SOIC | 16 | 0°C | 70°C | 225 K |
| SN74LS256N | Dual 4-input addressable latch | Motorola | PDIP | 16 | 0°C | 70°C | 225 K |
| SN74LS257BD | Quad 2-input multiplexer with 3-state outputs | Motorola | SOIC | 16 | 0°C | 70°C | 182 K |
| SN74LS258BD | Quad 2-input multiplexer with 3-state outputs | Motorola | SOIC | 16 | 0°C | 70°C | 182 K |
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