mm74hc221a Fairchild Semiconductor, mm74hc221a Datasheet
mm74hc221a
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mm74hc221a Summary of contents
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... B, transition triggered input, either of which can be used as an inhibit input. Also included is a clear input that when taken low resets the one shot. The MM74HC221A can be triggered on the positive transition of the clear while A is held LOW and B is held HIGH. ...
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Truth Table Clear HIGH Level L LOW Level Transition from LOW-to-HIGH Transition from HIGH-to-LOW One HIGH Level Pulse One LOW Level Pulse X Irrelevant Logic Diagram www.fairchildsemi.com Inputs Outputs ...
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Absolute Maximum Ratings (Note 2) Supply Voltage ( Input Voltage ( Output Voltage ( OUT Clamp Diode Current ( Output Current, ...
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AC Electrical Characteristics Symbol Parameter t Maximum Trigger Propagation PLH Delay Clear Maximum Trigger Propagation PHL Delay ...
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Theory of Operation TRIGGER OPERATION As shown in Figure 1 and the logic diagram before an input trigger occurs, the monostable is in the quiescent state with the Q output LOW, and the timing capacitor C pletely charged to V ...
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Typical Output Pulse Width vs. Timing Components Typical Distribution of Output Pulse Width, Part to Part Note: R and C are not subjected to temperature. The C is polypropylene. www.fairchildsemi.com Typical 1ms Pulse Width Variation vs. Supply Minimum R Supply ...
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Physical Dimensions inches (millimeters) unless otherwise noted 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M16A Package Number M16D 7 www.fairchildsemi.com ...
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide www.fairchildsemi.com Package Number MTC16 8 ...
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN ...