Overview
The CD4027BE, produced by Texas Instruments, is a CMOS Dual J-K Master-Slave Flip-Flop integrated circuit. This device is part of the CD4000 series and is designed for medium-speed operations. It features two identical complementary-symmetry J-K flip-flops, each with individual J, K, Set, Reset, and Clock input signals, along with buffered Q and Q outputs. The CD4027BE is useful in performing control, register, and toggle functions, making it a versatile component in digital circuit design.
Key Specifications
| Characteristic | Value | Unit | Conditions |
|---|---|---|---|
| VCC (Supply Voltage) | 3 to 18 | V | Minimum to Maximum |
| Maximum Clock Input Frequency (Toggle Mode) | 3.5 MHz at 5 V, 8 MHz at 10 V, 12 MHz at 15 V | MHz | At specified VDD |
| Propagation Delay Time (Clock to Q or Q Outputs) | 150 ns at 5 V, 65 ns at 10 V, 45 ns at 15 V | ns | Typical at 25°C |
| Set or Reset Pulse Width | 90 ns at 5 V, 40 ns at 10 V, 25 ns at 15 V | ns | Minimum at specified VDD |
| Input Current | ±1 μA at 18 V | μA | Maximum over full package-temperature range |
| Noise Margin | 1 V at VDD = 5 V, 2 V at VDD = 10 V, 2.5 V at VDD = 15 V | V | Over full package-temperature range |
| Output Drive (IOL/IOH) | -1.5/1.5 mA | mA | Maximum |
| Package Type | PDIP, CDIP, SOIC, TSSOP | ||
| Operating Temperature Range | -55 to 125°C | °C |
Key Features
- Set-reset capability independent of the clock.
- Static flip-flop operation – retains state indefinitely with clock level either high or low.
- Medium speed operation – up to 16 MHz clock toggle rate at 10 V.
- Standardized symmetrical output characteristics.
- Low input current – maximum of 1 μA at 18 V.
- High noise margin – up to 2.5 V at VDD = 15 V.
- Complementary Q and Q outputs.
- Compatible with RCA-CD4013B dual D-type flip-flop.
Applications
- Registers and counters.
- Control circuits.
- Toggle functions.
- Digital logic circuits requiring J-K flip-flop functionality.
Q & A
- What is the CD4027BE?
The CD4027BE is a CMOS Dual J-K Master-Slave Flip-Flop integrated circuit produced by Texas Instruments.
- What are the key features of the CD4027BE?
Key features include set-reset capability, static flip-flop operation, medium speed operation, standardized symmetrical output characteristics, low input current, and high noise margin.
- What are the typical applications of the CD4027BE?
Typical applications include registers, counters, control circuits, and toggle functions in digital logic circuits.
- What is the operating voltage range of the CD4027BE?
The operating voltage range is from 3 V to 18 V.
- What is the maximum clock input frequency for the CD4027BE?
The maximum clock input frequency is up to 12 MHz at 15 V.
- What are the package options available for the CD4027BE?
Package options include PDIP, CDIP, SOIC, and TSSOP.
- What is the operating temperature range of the CD4027BE?
The operating temperature range is from -55°C to 125°C.
- How does the CD4027BE handle noise?
The CD4027BE has a high noise margin, up to 2.5 V at VDD = 15 V, to handle noise effectively.
- Is the CD4027BE compatible with other flip-flop types?
Yes, it is compatible with the RCA-CD4013B dual D-type flip-flop.
- What is the typical propagation delay time for the CD4027BE?
The typical propagation delay time is 150 ns at 5 V, 65 ns at 10 V, and 45 ns at 15 V.
