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MC14490 Hex Contact Bounce Eliminator IC DIP-16 Package

305.00 Excluding tax

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The MC14490 is constructed with complementary MOS enhancement mode devices, and is used for the elimination of extraneous level changes that result when interfacing with mechanical contacts. The digital contact bounce eliminator circuit takes an input signal from a bouncing contact and generates a clean digital signal four clock periods after the input has stabilized. The bounce eliminator circuit will remove bounce on both the “make” and the “break” of a contact closure. The clock for operation of the MC14490 is derived from an internal R−C oscillator which requires only an external capacitor to adjust for the desired operating frequency (bounce delay). The clock may also be driven from an external clock source or the oscillator of another MC14490.

Features:-

  • Diode Protection on All Inputs
  • Six Debouncers Per Package
  • Internal Pullups on All Data Inputs
  • Can Be Used as a Digital Integrator, System Synchronizer, or Delay Line
  • Internal Oscillator (R−C), or External Clock Source
  • TTL Compatible Data Inputs/Outputs
  • Single Line Input, Debounces Both “Make” and “Break” Contacts
  • Does Not Require “Form C” (Single Pole Double Throw) Input Signal
  • Cascadable for Longer Time Delays
  • Schmitt Trigger on Clock Input (Pin 7)
  • Supply Voltage Range = 3.0 V to 18 V
  • Chip Complexity: 546 FETs or 136.5 Equivalent Gates
  • These Devices are Pb−Free and are RoHS Compliant
  • NLV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable

Specification:-

Parameter Symbol Value
DC Supply Voltage Range VDD −0.5 to +18.0
Input or Output Voltage Range
(DC or Transient)
Vin, Vout −0.5 to VDD + 0.5
Input Current (DC or Transient) per Pin Iin ±10
Power Dissipation, per Package PD 500
Ambient Temperature Range TA −55 to +125
Storage Temperature Range Tstg −65 to +150
Lead Temperature (8−Second Soldering) TL 260

* product image for illustration purposes only. actual product may vary.

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