MC14490FG

The MC14490FG stands out as a versatile hex contact Bounce Eliminator (CBE) integrated circuit, meticulously designed for use in keypad debounce applications. Equipped with six Schmitt-trigger inputs with separate output enable controls, this advanced IC effectively eliminates noise during button transitions, ensuring dependable key press detection. Moreover, it incorporates a voltage comparator for power-up key detection and a latch-up protection circuit to safeguard against input voltage spikes

主な特長

• 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