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CD74HC595,PDF(8-BIT SHIFT REGI

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  • 上传时间:2021-09-14
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  • 标      签: REGISTERS 74HC595

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The CD74HC595 device contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. The storage register has parallel 3-state outputs. Separate clocks are provided for both the shift and storage registers. The shift register has a direct overriding clear (SRCLR) input, serial (SER) input, and serial output for cascading. When the output-enable (OE) input is high, the outputs are in the high-impedance state. Both the shift register clock (SRCLK) and storage register clock (RCLK) are posiTIve-edge triggered. If both clocks are connected together, the shift register always is one clock pulse ahead of the storage register.
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