HEF4047B SMD
Features
• High Voltage Type (20V Rating)
• Low Power Consumption: Special CMOS Oscillator
Configuration
• Monostable (One-Shot) or Astable (Free-Running)
Operation
• True and Complemented Buffered Outputs
• Only One External R and C Required
• Buffered Inputs
• 100% Tested for Quiescent Current at 20V
• Standardized, Symmetrical Output Characteristics
• 5V, 10V and 15V Parametric Ratings
• Meets All Requirements of JEDEC Tentative Standard
No. 13B, “Standard Specifications for Description of
‘B’ Series CMOS Devices”
Monostable Multivibrator Features
• Positive or Negative Edge Trigger
• Output Pulse Width Independent of Trigger Pulse
Duration
• Retriggerable Option for Pulse Width Expansion
• Internal Power-On Reset Circuit
• Long Pulse Widths Possible Using Small RC Components
by Means of External Counter Provision
• Fast Recovery Time Essentially Independent of Pulse
Width
• Pulse-Width Accuracy Maintained at Duty Cycles
Approaching 100%
Astable Multivibrator Features
• Free-Running or Gatable Operating Modes
• 50% Duty Cycle
• Oscillator Output Available
• Good Astable Frequency Stability: Frequency Deviation:
- =±2% + 0.03%/oC at 100kHz
- = ±0.5% + 0.015%/oC at 10kHz (Circuits “Trimmed”
to Frequency VDD = 10V ± 10%
Applications
Digital equipment where low power dissipation and/or high noise
immunity are primary design requirements
• Envelope Detection
• Frequency Multiplication
• Frequency Division
• Frequency Discriminators
• Timing Circuits
• Time Delay Applications