54FCT245 NSC [National Semiconductor], 54FCT245 Datasheet
54FCT245
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54FCT245 Summary of contents
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... The Output Enable input, when HIGH, disables both A and B ports by placing them in a High Z condition. Ordering Code: Military Package Number 54FCT245DMQB J20A 54FCT245FMQB W20A 54FCT245LMQB E20A Logic Symbol TRI-STATE ® registered trademark of National Semiconductor Corporation. © 1998 National Semiconductor Corporation DS100950 Outputs ® ...
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Connection Diagrams Pin Assignment for DIP and Flatpak. DS100950-5 Logic Diagram www.national.com Pin Assignment for LCC Pin Descriptions Pin Names Description OE Output Enable Input (Active LOW) T/R Transmit/Receive Input A –A Side A Inputs or TRI-STATE Outputs 0 7 ...
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Absolute Maximum Ratings 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 V Pin Potential to CC Ground Pin Input ...
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AC Electrical Characteristics Symbol Parameter t Propagation Delay PLH t Data to Outputs PHL t Output Enable PZH t Time PZL t Output Disable PHZ t Time PLZ Capacitance Symbol Parameter C Input Capacitance IN C (Note 4) I/O Capacitance ...
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AC Waveforms FIGURE 4. Propagation Delay Waveforms for Inverting and Non-Inverting Functions DS100950-8 FIGURE 5. TRI-STATE Output HIGH and LOW Enable and Disable Times 5 DS100950-10 www.national.com ...
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Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Ceramic Dual-In-Line Package (D) 20-Terminal Ceramic Chip Carrier (L) NS Package Number E20A NS Package Number J20A 7 www.national.com ...
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued) LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DE- VICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMI- CONDUCTOR ...