Overview
The CD4521BEG4 is a CMOS dual 4-bit synchronous decade and binary counter produced by Texas Instruments. This component is part of the CD4521B series, which has been discontinued but remains relevant for existing designs and maintenance of older systems.
The device is available in various package types, including PDIP, SOIC, and TSSOP, catering to different design and space requirements. It operates within a temperature range of -55°C to 125°C, making it suitable for a wide range of applications.
Key Specifications
| Specification | Value | Unit |
|---|---|---|
| Package Type | PDIP, SOIC, TSSOP | - |
| Number of Pins | 16 | - |
| Temperature Range | -55 to 125 | °C |
| Moisture Sensitivity Level (MSL) | Level-1-260C-UNLIM | - |
| Lead Finish/Ball Material | NIPDAU (Nickel, Palladium, Gold) | - |
| RoHS Compliance | Yes | - |
Key Features
- Synchronous Counting: The CD4521BEG4 features synchronous counting, ensuring that all outputs change simultaneously with each clock pulse.
- Dual Counters: It includes two independent 4-bit counters, allowing for both decade and binary counting modes.
- Multiple Package Options: Available in PDIP, SOIC, and TSSOP packages to suit various design needs.
- Wide Temperature Range: Operates from -55°C to 125°C, making it suitable for harsh environments.
- Low Power Consumption: Designed with low power consumption in mind, making it energy-efficient.
Applications
The CD4521BEG4 is versatile and can be used in a variety of applications, including:
- Digital Counters and Timers: Ideal for applications requiring precise counting and timing functions.
- Industrial Control Systems: Suitable for use in industrial environments due to its wide temperature range and robust design.
- Automotive Systems: Can be used in automotive electronics where reliability and temperature stability are crucial.
- Consumer Electronics: Applicable in consumer devices that require accurate counting and timing functions.
Q & A
- What is the CD4521BEG4?
The CD4521BEG4 is a CMOS dual 4-bit synchronous decade and binary counter produced by Texas Instruments.
- What are the available package types for the CD4521BEG4?
The device is available in PDIP, SOIC, and TSSOP packages.
- What is the operating temperature range of the CD4521BEG4?
The device operates from -55°C to 125°C.
- Is the CD4521BEG4 RoHS compliant?
Yes, the CD4521BEG4 is RoHS compliant.
- What are the typical applications of the CD4521BEG4?
It is used in digital counters, timers, industrial control systems, automotive systems, and consumer electronics.
- Why has Texas Instruments discontinued the CD4521B series?
Texas Instruments has discontinued the CD4521B series as part of their product lifecycle management, but it remains available for existing designs and maintenance.
- What is the moisture sensitivity level (MSL) of the CD4521BEG4?
The MSL is Level-1-260C-UNLIM.
- What is the lead finish material used in the CD4521BEG4?
The lead finish material is NIPDAU (Nickel, Palladium, Gold).
- Can the CD4521BEG4 be used in harsh environments?
Yes, it can operate in a wide temperature range, making it suitable for harsh environments.
- Is the CD4521BEG4 energy-efficient?
Yes, it is designed with low power consumption in mind.
