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全英详述High-Speed CMOS Logic Octal D-Type Flip-Flop 74HC574
消耗积分:2 |
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大小:484KB |
2014-08-15
stone
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The ’HC374， ’HCT374， ’HC574， and ’HCT574 are octal D-type flip-flops with 3-state outputs and the capability to drive 15 LSTTL loads。 The eight edge-triggered flip-flops enter data into their registers on the LOW to HIGH transition of clock (CP)。The output enable (OE) controls the 3-state outputs and is independent of the register operation。When OE is HIGH， the outputs are in the high-impedance state。 The 374 and 574 are identical in function and differ only in their pinout arrangements。
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