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54ABT574 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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54ABT574 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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54ABT574 Octal D-Type Flip-Flop with TRI-STATE® Outputs General Description The ’ABT574 is an octal flip-flop with a buffered common Clock (CP) and a buffered common Output Enable (OE). The information presented to the D inputs is stored in the flip-flops on the LOW-to-HIGH Clock (CP) transition. The device is functionally identical to the ’ABT374 except for the pinouts. Features n Inputs and outputs on opposite sides of package allowing easy interface with microprocessors n Useful as input or output port for microprocessors n Functionally identical to ’ABT374 n TRI-STATE outputs for bus-oriented applications n Output sink capability of 48 mA, source capability of 24 mA n Guaranteed multiple output switching specifications n Output switching specified for both 50 pF and 250 pF loads n Guaranteed simultaneous switching, noise level and dynamic threshold performance n Guaranteed latchup protection n High impedance glitch free bus loading during entire power up and power down cycle n Non-destructive hot insertion capability n Standard Microcircuit Drawing (SMD) 5962-9322001 Ordering Code Military Package Number Package Description 54ABT574J/883 J20A 20-Lead Ceramic Dual-In-Line 54ABT574W/883 W20A 20-Lead Cerpack 54ABT574E/883 E20A 20-Lead Ceramic Leadless Chip Carrier, Type C Connection Diagrams Pin Descriptions Pin Description Names D 0–D7 Data Inputs CP Clock Pulse Input (Active Rising Edge) OE TRI-STATE Output Enable Input (Active LOW) O 0–O7 TRI-STATE Outputs FAST® and TRI-STATE® are registered trademarks of National Semiconductor Corporation. Pin Assignment for DIP and Flatpak DS100208-1 Pin Assignment for LCC DS100208-2 July 1998 © 1998 National Semiconductor Corporation DS100208 www.national.com |
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