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54ACTQ646 Folha de dados(PDF) 1 Page - National Semiconductor (TI) |
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54ACTQ646 Folha de dados(HTML) 1 Page - National Semiconductor (TI) |
1 / 9 page 54ACTQ646 Quiet Series Octal Transceiver/Register with 3-STATE Outputs General Description The ACTQ646 consist of registered bus transceiver circuits, with outputs, D-type flip-flops, and control circuitry providing multiplexed transmission of data directly from the input bus or from the internal storage registers. Data on the A or B bus will be loaded into the respective registers on the LOW-to-HIGH transition of the appropriate clock pin (CPAB or CPBA). The four fundamental handling functions available are illustrated in Figures 1, 2, 3, 4. The ACTQ utilizes FSC Quiet Series technology to guaran- tee quiet output switching and improved dynamic threshold performance. FACT Quiet Series™ features GTO™ output control and undershoot corrector in addition to a split ground bus for superior performance. Features n Guaranteed simultaneous switching noise level and dynamic threshold performance n Independent registers for A and B busses n Multiplexed real-time and stored data transfers n 300 mil slim dual-in-line package n Outputs source/sink 24 mA n Faster prop delays than the standard AC/ACT646 n 4 kV minimum ESD immunity n Standard Microcircuit Drawing (SMD) 5962-9219601 Logic Symbols Pin Descriptions Pin Names Description A 0–A7 Data Register A Inputs Data Register A Outputs B 0–B7 Data Register B Inputs Data Register B Outputs CPAB, CPBA Clock Pulse Inputs SAB, SBA Transmit/Receive Inputs GTO™ is a trademark of National Semiconductor Corporation FACT™ and FACT Quiet Series™ are trademarks of Fairchild Semiconductor Corporation DS100326-1 IEEE/IEC DS100326-2 September 1998 © 1998 National Semiconductor Corporation DS100326 www.national.com |
Nº de peça semelhante - 54ACTQ646 |
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Descrição semelhante - 54ACTQ646 |
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