| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| DM74LS574N | Octal D Flip-Flop with 3-STATE Outputs | Fairchild-Semiconductor | MDIP | 20 | - | - | 55 K |
| DM74LS574WMX | Octal D Flip-Flop with 3-STATE Outputs | Fairchild-Semiconductor | SOIC | 20 | - | - | 55 K |
| SN74LS51D | Dual 2-wide 2-input/3-input and-OR-invert gate | Motorola | SOIC | 14 | 0°C | 70°C | 48 K |
| SN74LS51N | Dual 2-wide 2-input/3-input and-OR-invert gate | Motorola | PDIP | 14 | 0°C | 70°C | 48 K |
| SN74LS540DW | Octal buffer/line driver with 3-state outputs | Motorola | SOIC | 20 | 0°C | 70°C | 203 K |
| SN74LS540N | Octal buffer/line driver with 3-state outputs | Motorola | PDIP | 20 | 0°C | 70°C | 203 K |
| SN74LS541DW | Octal buffer/line driver with 3-state outputs | Motorola | SOIC | 20 | 0°C | 70°C | 203 K |
| SN74LS54D | 3-2-2-3-input AND-OR-invert gate | Motorola | SOIC | 14 | 0°C | 70°C | 48 K |
| SN74LS569ADW | 4-bit up/down counter with 3-state outputs | Motorola | SOIC | 20 | 0°C | 70°C | 260 K |
| SN74LS569AN | 4-bit up/down counter with 3-state outputs | Motorola | PDIP | 20 | 0°C | 70°C | 260 K |
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