54AC244 Datasheet | National Semiconductor

.. - 54ACT244 Octal Buffer/Line Driver with TRI-STATE Outputs August 1998 - 54ACT244 Octal Buffer/Line Driver with TRI-STATE ® Outputs General Description The ’AC/’ACT244 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus-oriented transmitter/receiver which provides improved PC board density. Features n ICC and IOZ reduced by 50% n TRI-STATE outputs drive bus lines or buffer memory address registers n Outputs source/sink 24 m A n ’ACT244 has TTL-patible inputs n Standard Microcircuit Drawing (SMD) - ’AC244: 5962-87552 - ’ACT244: 5962-87760 Logic Symbol IEEE/IEC Pin Names OE1, OE2 I0- I7 O0- O7 Inputs Outputs Description TRI-STATE Output Enable Inputs DS100282-1 TRI-STATE ® is a registered trademark of National Semiconductor Corporation. FACT ® is a registered trademark of Fairchild Semiconductor Corporation. © 1998 National Semiconductor Corporation DS100282 .national. Connection Diagrams Pin Assignment for DIP and Flatpak Truth Tables Inputs OE1 L L H In L H X Outputs (Pins 12, 14, 16, 18) L H Z H = HIGH Voltage Level L = LOW Voltage Level Inputs OE2 L L H DS100282-2 Outputs (Pins 3, 5, 7, 9) L H Z L In H X X = Immaterial Z = High Impedance Pin Assignment for...