54ABT240

54ABT240 Octal Buffer/Line Driver with TRI-STATE Outputs July 1998 54ABT240 Octal Buffer/Line Driver with TRI-STATE ® Outputs General Description The ’ABT240 is an inverting octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which provides improved PC board density. 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 Standard Microcircuit Drawing (SMD) — 5962-9318801 Features n Output sink capability of 48 mA, source capability of 24 mA Ordering Code Military 54ABT240J-QML 54ABT240W-QML 54ABT240E-QML Package Number J20A W20A E20A Package Description 20-Lead Ceramic Dual-In-Line 20-Lead Cerpack 20-Lead Ceramic Leadless Chip Carrier, Type C Connection Diagrams Pin Assignment for DIP and Flatpak Pin Assignment for LCC DS100202-2 DS100202-1 Pin Names OE1, OE2 I0–I7 O0–O7 Description TRI-STATE Output Enable Inputs Inputs Outputs TRI-STATE ® is a registered trademark of National Semiconductor Corporation. © 1998 National Semiconductor Corporation DS100202 www.national.com Truth Tables Inputs OE1 L L H Inputs OE2 L L H H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance In L H X Outputs (Pins 12, 14, 16, 18) H L Z Outputs (Pins 3, 5, 7, 9) H L Z In L H X www.national.com 2 Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices ar...