Overview
The CD4021BEG4 is a 8-stage serial-in/parallel-out shift register integrated circuit produced by Texas Instruments. This component is part of the CD4000 series of CMOS logic ICs and is designed to provide a reliable and efficient solution for serial-to-parallel data conversion in various digital systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 16-lead Dual-In-Line Plastic (PDIP) |
| Number of Pins | 16 |
| Operating Temperature Range | -55°C to 125°C |
| Supply Voltage Range | 3 V to 18 V |
| Propagation Delay Time | Typically 60 ns at VDD = 10 V, CL = 50 pF |
| Input Current | Maximum of 1 µA at 18 V over full temperature range; 100 nA at 18 V and 25°C |
| Quiescent Current | 100% tested at 20 V |
| Noise Margin | 1 V at VDD = 5 V, 2 V at VDD = 10 V, 2.5 V at VDD = 15 V |
Key Features
- 8-stage serial-in/parallel-out shift register
- Serial input and parallel output capability
- Buffered inputs and outputs
- Standardized symmetrical output characteristics
- Low power consumption and high noise immunity
- Meets all requirements of JEDEC Tentative Standard No. 13B for CMOS devices
Applications
The CD4021BEG4 is suitable for a variety of applications, including:
- Serial-to-parallel data conversion in digital systems
- Shift register functions in digital circuits
- Data storage and retrieval in sequential logic circuits
- Timing and control circuits
- General-purpose digital logic applications
Q & A
- What is the CD4021BEG4?
The CD4021BEG4 is an 8-stage serial-in/parallel-out shift register integrated circuit. - What is the package type of the CD4021BEG4?
The CD4021BEG4 comes in a 16-lead Dual-In-Line Plastic (PDIP) package. - What is the operating temperature range of the CD4021BEG4?
The operating temperature range is -55°C to 125°C. - What is the supply voltage range for the CD4021BEG4?
The supply voltage range is 3 V to 18 V. - What is the propagation delay time of the CD4021BEG4?
The propagation delay time is typically 60 ns at VDD = 10 V, CL = 50 pF. - What is the maximum input current of the CD4021BEG4?
The maximum input current is 1 µA at 18 V over the full temperature range; 100 nA at 18 V and 25°C. - Is the CD4021BEG4 tested for quiescent current?
Yes, it is 100% tested at 20 V. - What are the noise margins for the CD4021BEG4?
The noise margins are 1 V at VDD = 5 V, 2 V at VDD = 10 V, and 2.5 V at VDD = 15 V. - What standards does the CD4021BEG4 meet?
The CD4021BEG4 meets all requirements of JEDEC Tentative Standard No. 13B for CMOS devices. - What are common applications for the CD4021BEG4?
Common applications include serial-to-parallel data conversion, shift register functions, data storage and retrieval, timing and control circuits, and general-purpose digital logic.
