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54ACTQ244 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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54ACTQ244 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 8 page 54ACQ244 • 54ACTQ244 Quiet Series Octal Buffer/Line Driver with TRI-STATE® Outputs General Description The ’ACQ/’ACTQ244 is an octal buffer and line driver de- signed to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which pro- vides improved PC board density. The ACQ/ACTQ utilizes NSC Quiet Series technology to guarantee quiet output switching and improved dynamic threshold performance. FACT Quiet Series™ features GTO™ output control and un- dershoot corrector in addition to a split ground bus for supe- rior performance. Features n ICC and IOZ reduced by 50% n Guaranteed simultaneous switching noise level and dynamic threshold performance n Improved latch-up immunity n TRI-STATE outputs drive bus lines or buffer memory address registers n Outputs source/sink 24 mA n Faster prop delays than the standard ’AC/’ACT244 n 4 kV minimum ESD immunity n Standard Microcircuit Drawing (SMD) — ’ACTQ244: 5962-92186 — ’ACQ244: 5962-92176 Logic Symbol Pin Names Description OE 1,OE2 TRI-STATE Output Enable Inputs I 0–I 7 Inputs O 0–O 7 Outputs Connection Diagrams GTO™ is a trademark of National Semiconductor Corporation. TRI-STATE® is a registered trademark of National Semiconductor Corporation. FACT® is a registered trademark of Fairchild Semiconductor Corporation. FACT Quiet Series™ is a trademark of Fairchild Semiconductor Corporation. IEE/IEC DS100236-1 Pin Assignment for DIP and Flatpak DS100236-2 Pin Assignment for LCC DS100236-3 August 1998 © 1998 National Semiconductor Corporation DS100236 www.national.com |
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