Product Summary
The 74HC4538PW is a dual retriggerable precision monostable multivibrator. The 74HC4538PW is a high-speed Si-gate CMOS device. It is specified in compliance with JEDEC standard no. 7A. The 74HC4538PW is dual retriggerable-resettable monostable multivibrator. Each multivibrator has an active LOW trigger/retrigger input (nA0), an active HIGH trigger/retrigger input (nA1) , an overriding active LOW direct reset input (nRD), an output (nQ) and its complement (nQ), and two pins (nCTC and nRCTC) for connecting the external timing components Ct and Rt. Typical pulse width variation over temperature range is ± 0.2%.
Parametrics
74HC4538PW absolute maximum ratings: (1)tPHL/ tPLH propagation delay: 30 ns; (2)CI input capacitance: 3.5 pF; (3)CPD power dissipation capacitance per multivibrator: 138 pF; (4)trt retrigger time: 455+Xns, 2.0V; (5)REXT external timing resistor: 10 to 1000kΩ, 2.0V; (6)CEXT external timing capacitor: no limits, 5.0V.
Features
74HC4538PW features: (1)Separate reset inputs; (2)Triggering from leading or trailing edge; (3)Output capability: standard; (4)ICC category: MSI; (5)Power-on reset on-chip.
Diagrams
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![]() NXP Semiconductors |
![]() Monostable Multivibrator DUAL RETRIG PRECSION MONOSTAB |
![]() Data Sheet |
![]() Negotiable |
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![]() 74HC4538PW,112 |
![]() NXP Semiconductors |
![]() Monostable Multivibrator DUAL RETRIG PRECSION |
![]() Data Sheet |
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![]() 74HC4538PW,118 |
![]() NXP Semiconductors |
![]() Monostable Multivibrator DUAL RETRIG PRECSION |
![]() Data Sheet |
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![]() 74HC4538PW-T |
![]() NXP Semiconductors |
![]() Monostable Multivibrator DUAL RETRIG PRECSION MONOSTAB |
![]() Data Sheet |
![]() Negotiable |
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