CD74HC4538PW Datasheet

Logic - Multivibrators


The CD74HC4538PW and ’HCT4538 are dual retriggerable/resettable monostable precision multivibrators for fixed voltage timing applications. An external resistor (RX) and an external capacitor (CX) control the timing and the accuracy for the circuit. Adjustment of RX and CX provides a wide range of output pulse widths from the Q and Q terminals. The propagation delay from trigger input-tooutput transition and the propagation delay from reset inputto-output transition are independent of RX and CX. CD74HC4538PW Features • Retriggerable/Resettable Capability• Trigger and Reset Propagation Delays Independent of RX, CX• Triggering from the Leading or Trailing Edge• Q and Q Buffered Outputs Available• Separate Resets• Wide Range of Output Pulse Widths• Schmitt Trigger Input on A and B Inputs• Retrigger Time is Independent of CX


[{"Name":"Logic Type","Value":"Monostable"},{"Name":"Independent Circuits","Value":"2"},{"Name":"Schmitt Trigger Input","Value":"Yes"},{"Name":"Propagation Delay","Value":"21ns"},{"Name":"Current - Output High, Low","Value":"5.2mA, 5.2mA"},{"Name":"Voltage - Supply","Value":"2 V ~ 6 V"},{"Name":"Operating Temperature","Value":"-55°C ~ 125°C"},{"Name":"Mounting Type","Value":"Surface Mount"},{"Name":"Package / Case","Value":"16-TSSOP (0.173", 4.40mm Width)"},{"Name":"Supplier Device Package","Value":"16-TSSOP"}]

Manufacturer information


Littelfuse (NASDAQ: LFUS) - As the worldwide leader in circuit protection, Littelfuse offers POWR-GARD®, Teccor®, Wickmann®, Pudenz®, Hamlin®, PulseGuard® and SIDACtor® branded products, with a wide range of technologies such as Fuses and Accessories, PTCs, GDTs, Varistors, Polymer ESD Suppressors, Surge Protection Modules, TVS Diodes, TVS Diode Arrays (SPA® Diodes), Switching Thyristors, Power Modules, LED Protector, SIDACtor® Protection Thyristor as well as reed switches, relays and Hall Effect sensors. Littelfuse products are backed by more than 88 years of technology innovation, industry leading technical support, design and manufacturing expertise. Littelfuse products are vital components in virtually every product that uses electrical energy, including automobiles, computers, consumer electronics, handheld devices, industrial equipment, and telecom/datacom circuits

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