Overview
The CD4022BE is a CMOS octal counter with 8 decoded outputs, manufactured by Texas Instruments. This integrated circuit is part of the CD4022B series, which includes 4-stage Johnson counters. The device is known for its fully static operation and medium speed, making it suitable for a variety of counting and decoding applications. It features a CLOCK, RESET, and CLOCK INHIBIT signal, with Schmitt trigger action in the CLOCK input circuit, allowing for pulse shaping and unlimited clock input pulse rise and fall times. The counter advances one count at the positive clock signal transition if the CLOCK INHIBIT signal is low, and a high RESET signal clears the counter to its zero count.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | PDIP (N), CDIP, SOP, TSSOP |
| Pins | 16 |
| Operating Temperature Range (°C) | -55 to 125 |
| Maximum Clock Frequency (typ.) at VDD= 10 V | 10 MHz |
| Quiescent Current Test Voltage | 20 V |
| Parametric Ratings | 5 V, 10 V, and 15 V |
| Compliance | Meets JEDEC Tentative Standard No. 13B |
Key Features
- Fully static operation
- Medium speed operation (10 MHz typ. at VDD= 10 V)
- Standardized, symmetrical output characteristics
- 100% tested for quiescent current at 20 V
- Schmitt trigger action in the CLOCK input circuit for pulse shaping
- Anti-lock gating to ensure proper counting sequence
- Spike-free decoded outputs
- RoHS and Green compliant in various packages
Applications
- Decade counter/decimal decode display
- Binary counter/decoder
- Frequency division
- Counter control/timers
- Divide-by-N counting
Q & A
- What is the CD4022BE?
The CD4022BE is a CMOS octal counter with 8 decoded outputs, part of the CD4022B series from Texas Instruments.
- What are the key inputs of the CD4022BE?
The key inputs include a CLOCK, a RESET, and a CLOCK INHIBIT signal.
- What is the maximum clock frequency of the CD4022BE?
The maximum clock frequency is typically 10 MHz at VDD= 10 V.
- What are the operating temperature ranges for the CD4022BE?
The operating temperature range is from -55°C to 125°C.
- What types of packages are available for the CD4022BE?
The device is available in PDIP, CDIP, SOP, and TSSOP packages.
- Is the CD4022BE RoHS compliant?
- What are some common applications of the CD4022BE?
- How does the CLOCK INHIBIT signal affect the counter?
The CLOCK INHIBIT signal inhibits counter advancement when it is high.
- What happens when the RESET signal is high?
A high RESET signal clears the counter to its zero count.
- Does the CD4022BE have anti-lock gating?
