54F191DMQB National Semiconductor, 54F191DMQB Datasheet
54F191DMQB
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54F191DMQB Summary of contents
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... Note 2 Military grade device with environmental and burn-in processing Use suffix Logic Symbols TL F 9495–1 IEEE IEC TL F 9495–4 TRI-STATE is a registered trademark of National Semiconductor Corporation C 1995 National Semiconductor Corporation TL F 9495 Features High-Speed 125 MHz typical count frequency ...
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Unit Loading Fan Out Pin Names Description CE Count Enable Input (Active LOW) CP Clock Pulse Input (Active Rising Edge) P –P Parallel Data Inputs Asynchronous Parallel Load Input (Active LOW Down Count Control ...
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Logic Diagram Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays FIGURE 1 n-Stage Counter Using Ripple Clock FIGURE 2 Synchronous n-Stage Counter Using Ripple Carry ...
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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 b Ambient Temperature under Bias b Junction Temperature under Bias b Plastic b V Pin Potential to CC Ground Pin Input Voltage (Note 2) ...
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AC Electrical Characteristics Symbol Parameter f Maximum Count Frequency max t Propagation Delay PLH PHL n t Propagation Delay PLH PHL t Propagation Delay PLH PHL t Propagation ...
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AC Operating Requirements Symbol Parameter t (H) Setup Time HIGH or LOW (H) Hold Time HIGH or LOW (L) Setup Time LOW ...
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Physical Dimensions inches (millimeters) 20-Lead Ceramic Leadless Chip Carrier (L) 16-Lead Ceramic Dual-In-Line Package (D) NS Package Number E20A NS Package Number J16A 7 ...
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Physical Dimensions inches (millimeters) (Continued) 16-Lead (0 150 Wide) Molded Small Outline Package JEDEC (S) 16-Lead (0 300 Wide) Molded Small Outline Package EIAJ (SJ) NS Package Number M16A NS Package Number M16D 8 ...
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Physical Dimensions inches (millimeters) (Continued) 16-Lead (0 300 Wide) Molded Dual-In-Line Package (P) NS Package Number N16E 9 ...
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