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74LCXH16374G データシート(PDF) 3 Page - Fairchild Semiconductor |
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74LCXH16374G データシート(HTML) 3 Page - Fairchild Semiconductor |
3 / 10 page 3 www.fairchildsemi.com Functional Description The LCXH16374 consists of sixteen edge-triggered flip-flops with individual D-type inputs and 3-STATE true outputs. The device is byte controlled with each byte func- tioning identically, but independent of the other. The control pins can be shorted together to obtain full 16-bit operation. Each byte has a buffered clock and buffered Output Enable common to all flip-flops within that byte. The description which follows applies to each byte. Each flip-flop will store the state of their individual D inputs that meet the setup and hold time requirements on the LOW-to-HIGH Clock (CPn) transition. With the Output Enable (OEn) LOW, the con- tents of the flip-flops are available at the outputs. When OEn is HIGH, the outputs go to the high impedance state. Operation of the OEn input does not affect the state of the flip-flops. Logic Diagrams Byte 1 (0:7) Byte 2 (8:15) Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. |
同様の部品番号 - 74LCXH16374G |
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同様の説明 - 74LCXH16374G |
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