Description

Technical Specifications

• Product Model: CE4022 (Industrial marking for CD4022B)
• Brand: CMOS standard logic IC (widely stocked for industrial control spare parts)
• Warranty: One Year
• Input Voltage: Operating supply 3V ~ 18V DC CMOS power
• Operating Temperature: -55°C ~ +125°C
• Storage Temperature: -65°C ~ +150°C
• Response Time: Typical maximum clock frequency 10MHz, propagation delay >50ns
• Protection Class: DIP-16 through-hole package, IP20 PCB onboard installation
• Accuracy Class: Symmetrical decoded output timing, Schmitt-trigger clock input for noisy pulse shaping
• Output Frequency: Max 10MHz continuous clock triggering
• Rated Current Range: Each push-pull output sink/source up to 6.8mA @10V VDD
• Communication Interface: 3 control logic pins (Clock, Reset, Clock Inhibit), 8 independent decoded parallel output pins
• Supported Protocols: Parallel digital state decoding, binary sequential counting logic
• Overload Capacity: On-chip input clamping diodes for ESD protection, full static CMOS design no power draw in idle state
• Dimensions: Standard DIP16 dual in-line package, 19.3mm × 6.4mm PCB footprint
• 

Product Overview

The CE4022 (CD4022B) is a classic 4-stage Johnson counter IC with fully decoded 8-channel active-high outputs, belonging to the widely used CD4000 series CMOS logic family. It receives pulse clock signals, sequentializes internal flip-flop states, and activates only one corresponding output pin at each counting step to implement 8-step cyclic sequential switching without external decoding circuits. Three dedicated control pins simplify logic management:

1. Clock: Rising-edge trigger pulse input with built-in Schmitt trigger to filter jitter and slow edge signals
2. Master Reset: Active-high pin to force all outputs back to initial OFF state
3. Clock Inhibit: Block clock pulses to freeze current counting position