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74ACTQ646SC Folha de dados(PDF) 1 Page - Fairchild Semiconductor |
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74ACTQ646SC Folha de dados(HTML) 1 Page - Fairchild Semiconductor |
1 / 10 page © 2000 Fairchild Semiconductor Corporation DS010635 www.fairchildsemi.com January 1990 Revised September 2000 74ACQ646 • 74ACTQ646 Quiet Series Octal Transceiver/Register with 3-STATE Outputs General Description The ACQ/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 Figure 1, Figure 2, Figure 3 and Figure 4. The ACQ/ACTQ utilizes Fairchild Quiet Series technol- ogy to guarantee quiet output switching and improved dynamic threshold performance. FACT Quiet Series fea- tures GTO output control and undershoot corrector in addition to a split ground bus for superior performance. Features s Guaranteed simultaneous switching noise level and dynamic threshold performance s Guaranteed pin-to-pin skew AC performance s Independent registers for A and B busses s Multiplexed real-time and stored data transfers s 300 mil slim dual-in-line package s Outputs source/sink 24 mA s Faster prop delays than the standard AC/ACT646 Ordering Code: Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. Connection Diagram Pin Descriptions FACT , Quiet Series, FACT Quiet Series and GTO are trademarks of Fairchild Semiconductor Corporation Order Number Package Number Package Description 74ACQ646SC M24B 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 74ACQ464ASPC N24C 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide 74ACTQ646SC M24B 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 74ACTQ464ASPC N24C 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Pin Names Descriptions A0–A7 Data Register A Inputs Data Register A Outputs B0–B7 Data Register B Inputs Data Register B Outputs CPAB, CPBA Clock Pulse Inputs SAB, SBA Transmit/Receive Inputs G Output Enable Input DIR Direction Control Input |
Nº de peça semelhante - 74ACTQ646SC |
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Descrição semelhante - 74ACTQ646SC |
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