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SN54HC540, SN74HC540,pdf(HEX I
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大小:616 |
2010-07-13
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These octal buffers and line drivers feature the performance of the popular ’HC240 series and offer a pinout with inputs and outputs on opposite sides of the package. This arrangement greatly facilitates printed circuit board layout.
The 3-state control gate is a 2-input NOR. If either output-enable (OE1\ or OE2\) input is high, all eight outputs are in the high-impedance state. The ’HC540 devices provide inverted data at the outputs.
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