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54ACTQ541 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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54ACTQ541 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 6 page 54ACTQ541 Quiet Series Octal Buffer/Line Driver with TRI-STATE® Outputs General Description The ’ACTQ541 is an octal buffer and line driver with TRI-STATE outputs designed to be employed as a memory and address driver, clock driver, or bus-oriented transmitter/ receiver. The ’ACTQ541 is similar to the ’ACTQ244 while providing flow-through architecture (inputs on opposite sides from out- puts). This pinout arrangement makes this device especially useful as an output port for microprocessors, allowing ease of layout and greater PC board density. The ’ACTQ541 utilizes NSC 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 ACMOS performance. Features n Non-inverting buffers n Guaranteed simultaneous switching noise level and dynamic threshold performance n Flow-through pinout for ease of PC board layout n Non-inverting TRI-STATE™ outputs n TTL compatible inputs n CMOS power consumption n Output source/sink 24 mA n Standard Microcircuit Drawing (SMD) 5962-9682901 Connection Diagram Pin Names Description OE 1,OE2 Output Enable Input (Active Low) I 0–I7 Inputs O 0–O7 Outputs Truth Table Inputs Outputs OE 1 OE 2 I ACTQ541 LL H H HX X Z XH X Z LL L L H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance GTO™ is a trademark of National Semiconductor Corporation. TRI-STATE® is a registered trademark of National Semiconductor Corporation. FACT™ and FACT Quiet Series™ are trademarks of Fairchild Semiconductor Corporation. Pin Assignment DIP and Cerpack DS100983-1 Pin Assignment LCC DS100983-30 September 1998 © 1998 National Semiconductor Corporation DS100983 www.national.com |
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