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MC14490 Digital Contact Bounce Eliminator
A digital circuit designed to eliminate extraneous level changes from mechanical contacts.
- Chip Complexity: 546 FETs or 136.5 Equivalent Gates
- Supply Voltage Range: 3.0 V to 18 V
- Internal Oscillator: R?C or External Clock Source
- 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
The MC14490, constructed with complementary MOS enhancement mode devices, is ideal for eliminating level changes in mechanical contact interfaces. It features an internal R?C oscillator for clock operation, diode protection on inputs, and internal pullups.
- Spec Name: Value
- DC Supply Voltage Range: ?0.5 to +18.0
- Input/Output Voltage Range: ?0.5 to VDD + 0.5
- Input Current per Pin: ±10
- Power Dissipation per Package: 500
- Ambient Temperature Range: ?55 to +125
- Storage Temperature Range: ?65 to +150
- Lead Temperature (8-Second Soldering): 260
The MC14490 eliminates bounce on both “make” and “break” of contacts, features Schmitt trigger on clock input, and is TTL compatible. It can also be cascaded for longer time delays and is Pb-Free and RoHS compliant.
*Images are for illustration only; actual product may vary.