54ABT244 Datasheet | National Semiconductor

Description The ’ABT244 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. 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 Nondestructive hot insertion capability n Disable time less than enable time to avoid bus contention n Standard Microcircuit Drawing (SMD) 5962-9214701 Features n Non-inverting buffers n Output sink capability of 48 m A, source capability of 24 m A n Output switching specified for both 50 p F and 250 p F loads Ordering Code Military 54ABT244J-QML 54ABT244W-QML 54ABT244E-QML Package Number J20A W20A E20A 20-Lead Ceramic Dual-In-Line 20-Lead Cerpack 20-Lead Ceramic Leadless Chip Carrier, Type C Package Description Connection Diagrams Pin Assignment for DIP and Flatpak Pin Assignment for LCC DS100203-2 DS100203-1 Pin Names OE1, OE2 I0- I7 O0- O7 Description Output Enable Input (Active Low) Inputs Outputs Truth Table OE1 H L L I0- 3 X H L O0- 3 Z H L OE2 H L L I4- 7 X H L O4- 7 Z H L H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance TRI-STATE ® is a registered trademark of National Semiconductor Corporation. © 1998 National Semiconductor Corporation DS100203 .national. Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias Ceramic VCC Pin Potential to Ground Pin Input Voltage (Note 2) Input Current (Note 2) Voltage Applied to Any Output in the Disabled or Power-Off State in the HIGH State - 65˚C to +150˚C - 55˚C to +125˚C - 55˚C to +175˚C - 0.5V to +7.0V - 0.5V to +7.0V - 30 m A to +5.0 m A Current Applied to Output in LOW State (Max) DC...