74F525PCX NSC [National Semiconductor], 74F525PCX Datasheet
74F525PCX
Related parts for 74F525PCX
74F525PCX Summary of contents
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Programmable Counter General Description The ’F525 is a multi-function 28-pin device It consists of a 16-bit count-down counter logic to control the counter logic to control the state of the outputs and a PLA to decode the particular function ...
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Logic Symbol Unit Loading Fan Out Pin Names Description Q Ouput (Primarily indicates when the counter has reached zero Output (Divides –M Status Inputs Master Reset CP Clock Pulse D –D ...
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Functional Description (Continued) Function Table MODE 4 Interval Timer Pulse ...
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Timing Diagrams With XTR HIGH the rising edge of CP loads data from the latches to the counter j k With XTR LOW the rising edge of CP begins count-down cycle When the count reaches zero Q goes HIGH and ...
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Timing Diagrams (Continued) With XTR HIGH the rising edge of CP loads data from the latches to the counter j With XTR LOW the rising edge of CP begins the count and Q goes HIGH k l When the count ...
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Absolute Maximum Ratings 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) Input Current (Note Voltage Applied to ...
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AC Electrical Characteristics Symbol Parameter f Maximum Clock Frequency max t Propagation Delay PLH PHL t Propagation Delay PLH PHL t Propagation Delay PLH t XTR to Q PHL t Propagation ...
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Ordering Information The device number is used to form part of a simplified purchasing code where the package type and temperature range are defined as follows Temperature Range Family 74F Commercial e Device Type Package Code Q Plastic Chip Carrier ...
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Physical Dimensions inches (millimeters) 28-Lead (0 300 Wide) Molded Small Outline Package JEDEC (S) 28-Lead (0 600 Wide) Molded Dual-In-Line Package (P) NS Package Number M28B NS Package Number N28B 9 ...
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Physical Dimensions inches (millimeters) (Continued) 28-Lead Molded Plastic Leaded Chip Carrier (Q) 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 ...