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54125FMQB Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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54125FMQB Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 4 page TLF6540 June 1989 54125DM54125DM74125 Quad TRI-STATE Buffers General Description This device contains four independent gates each of which performs a non-inverting buffer function The outputs have the TRI-STATE feature When enabled the outputs exhibit the low impedance characteristics of a standard TTL output with additional drive capability at the high Logic level to per- mit the driving of bus lines without external pull-up resistors When disabled both the output transistors are turned off presenting a high-impedance state to the bus line Thus the output will act neither as a significant load nor as a driver To minimize the possibility that two outputs will attempt to take a common bus to opposite logic levels the disable time is shorter than the enable time of the outputs Features Y Alternate MilitaryAerospace device (54125) is avail- able Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package TLF6540 – 1 Order Number 54125DMQB 54125FMQB DM54125J DM54125W or DM74125N See NS Package Number J14A N14A or W14B Function Table Y e A Inputs Output AC Y LL L HL 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 RRD-B30M105Printed in U S A |
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