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74ACTQ821SPC Fiches technique(PDF) 2 Page - Fairchild Semiconductor |
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74ACTQ821SPC Fiches technique(HTML) 2 Page - Fairchild Semiconductor |
2 / 7 page www.fairchildsemi.com 2 Functional Description The ACTQ821 consists of ten-bit D-type edge-triggered flip-flops. The buffered Clock (CP) and buffered Output Enable (OE) are common to all flip-flops. The flip-flops will store the state of their individual D inputs that meet the setup and hold time requirements on the LOW-to-HIGH CP transition. With OE LOW the contents of the flip-flops are available at the outputs. When OE is HIGH the outputs go to the high impedance state. Operation of the OE input does not affect the state of the flip-flops. The ACTQ821 is functionally and pin compatible with the AM29821. Function Table H = HIGH Voltage Level L = LOW Voltage Level Z = HIGH Impedance = LOW-to-HIGH Clock Transition Logic Diagram Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. Inputs Internal Outputs Function OE CP D Q O H L L Z High Z H H H Z High Z L LL L Load L HH H Load |
Numéro de pièce similaire - 74ACTQ821SPC |
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Description similaire - 74ACTQ821SPC |
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