54LS253 National Semiconductor, 54LS253 Datasheet
54LS253
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54LS253 Summary of contents
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... Performs parallel-to-serial conversion Y Strobe output control Y High fanout totem-pole outputs Y Typical propagation delay Y Data to output 12 ns Select to output 21 ns Typical power dissipation Alternate Military Aerospace device (54LS253) is avail- Y able Contact a National Semiconductor Sales Office Distributor for specifications Function Table Select Data Inputs Inputs ...
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... Characteristics’’ 7V table are not guaranteed at the absolute maximum ratings 7V The ‘‘Recommended Operating Conditions’’ table will define the conditions for actual device operation 125 150 C a DM54LS253 Min Nom Max 125 b ...
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Switching Characteristics Symbol Parameter t Propagation Delay Time PLH Low to High Level Output t Propagation Delay Time PHL High to Low Level Output t Propagation Delay Time PLH Low to High Level Output t Propagation Delay Time PHL High ...
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... Physical Dimensions inches (millimeters) Ceramic Leadless Chip Carrier Package (E) 16-Lead Ceramic Dual-In-Line Package (J) Order Number 54LS253DMQB or DM54LS253J Order Number 54LS253LMQB NS Package Number E20A NS Package Number J16A 4 ...
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Physical Dimensions inches (millimeters) (Continued) 16-Lead Small Outline Molded Package (M) 16-Lead Molded Dual-In-Line Package (N) Order Number DM74LS253M NS Package Number M16A Order Number DM74LS253N NS Package Number N16E 5 ...
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... Physical Dimensions inches (millimeters) (Continued) 16-Lead Ceramic Flat Package (W) Order Number 54LS253FMQB or DM54LS253W LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION As used herein ...