| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| HD74LS240 | Octal buffers/line drivers/line receivers | distributor | - | 20 | -20°C | 75°C | 53 K |
| HD74LS240 | Octal buffers/line drivers/line receivers | distributor | - | 20 | -20°C | 75°C | 53 K |
| HD74LS240P | Octal buffers/line drivers/line receivers | distributor | PDIP | 20 | -20°C | 75°C | 53 K |
| HD74LS240P | Octal buffers/line drivers/line receivers | distributor | PDIP | 20 | -20°C | 75°C | 53 K |
| HD74LS280 | 9-bit Odd/Even Parity Generator/Checker | distributor | - | - | - | - | 58 K |
| HD74LS283 | 4-bit Binary Full Adder | distributor | - | - | - | - | 81 K |
| HD74LS293 | 4-bit Binary Counter | distributor | - | - | - | - | 85 K |
| HD74LS298 | Quad. 2-input Multiplexers with Storage | distributor | - | - | - | - | 64 K |
| HD74LS299 | 4-bit Universal Shift/Storage Register with 3-state outputs | distributor | - | - | - | - | 91 K |
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