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74ACQ646 Datasheet

Part Number 74ACQ646
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description Quiet Series Octal Transceiver/Register
Datasheet 74ACQ646 Datasheet74ACQ646 Datasheet (PDF)

74ACQ646 • 74ACTQ646 Quiet Series Octal Transceiver/Register with 3-STATE Outputs 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 th.

  74ACQ646   74ACQ646






Quiet Series Octal Transceiver/Register

74ACQ646 • 74ACTQ646 Quiet Series Octal Transceiver/Register with 3-STATE Outputs 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 technology to guarantee 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 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: Order Number Package Number Package Description 74ACQ646SC M24B 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 74ACQ464ASPC N24C.


2005-04-03 : STK4110    STK4111    STK4112    4511    4511B    FQ08E    2SC4491    2SC4492    2SC4493    2SC4495   


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