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54FCT540L Arkusz danych(PDF) 1 Page - National Semiconductor (TI) |
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54FCT540L Arkusz danych(HTML) 1 Page - National Semiconductor (TI) |
1 / 5 page 54FCT540 Octal Buffer/Line Driver with TRI-STATE® Outputs General Description The ’FCT540 is an octal buffer/line drivers designed to be employed as memory and address drivers, clock drivers and bus oriented transmitter/receivers. These devices are similar in function to the ’FCT240 while providing flow-through architecture (inputs on opposite side from outputs). This pinout arrangement makes these devices especially useful as output ports for microprocessors, allow- ing ease of layout and greater PC board density. Features n TRI-STATE inverting outputs n Inputs and outputs opposite side of package, allowing easier interface to microprocessors n TTL input and output level compatible n CMOS power consumption n Output sink capability of 48mA, source capability of 12 mA n Standard Microcircuit Drawing (SMD) 5962-8976701 Logic Symbol Inputs Outputs OE 1 OE 2 I LL H L HX X Z XH X Z LL L H H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance Connection Diagrams TRI-STATE® is a registered trademark of National Semiconductor Corporation. FACT™ is a trademark of Fairchild Semiconductor Corporation. IEEE/IEC DS100970-1 Pin Assignment for DIP and Flatpak DS100970-3 Pin Assignment for LCC DS100970-2 October 1999 © 1999 National Semiconductor Corporation DS100970 www.national.com |
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