Part # 74LS125 datasheet

Part Manufacturer: National Semiconductor

National Semiconductor

Part Description: 54LS125A DM54LS125A DM74LS125A Quad TRI-STATE(RM) Buffers

Part Details:

54LS125ADM54LS125ADM74LS125A June 1989 54LS125A DM54LS125A DM74LS125AQuad TRI-STATE Buffers General DescriptionThis device contains four independent gates each of which that two outputs will attempt to take a common bus to oppo- performs a non-inverting buffer function The outputs have site logic levels the disable time is shorter than the enable the TRI-STATE feature When enabled the outputs exhibit time of the outputs the low impedance characteristics of a standard LS outputwith additional drive capability to permit the driving of bus Features lines without external resistors When disabled both the Y Alternate Military Aerospace device (54LS125) is avail- output transistors are turned off presenting a high-imped- able Contact a National Semiconductor Sales Office ance state to the bus line Thus the output will act neither as Distributor for specifications a significant load nor as a driver To minimize the possibility Connection Diagram Dual-In-Line Package Quad TRI-STATE TL F 6387 ­ 1 Buffers Order Number 54LS125ADMQB 54LS125AFMQB 54LS125ALMQB DM54LS125AJ DM54LS125AW DM74LS125AM or DM74LS125AN See NS Package Number E20A J14A M14A N14A or W14B Function Table Y e A Inputs Output A C Y L L L H L H X H Hi-Z H e High Logic Level L e Low Logic Level X e Either Low or High Logic Level Hi-Z e TRI-STATE (Outputs are disabled) TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 6387 RRD-B30M105 Printed in U S A

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74LS125.pdf Datasheet