Overview
The CD4049AK is a CMOS Hex Buffer/Converter integrated circuit produced by Harris Corporation. This device is part of the 4000 series of CMOS logic circuits and is designed to provide non-inverting buffer functions. It is widely used in digital logic circuits for signal buffering and level conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 16CFP (Ceramic Flat Package) |
| Supply Voltage (VDD) | 3V to 18V |
| Input Current | Maximum of 1 µA at 18 V over full package temperature range |
| Output Current | High sink current for driving 2 TTL loads |
| Propagation Delay | Typically 50 ns at 15 V and 50 pF load |
| Operating Temperature | -55°C to 125°C |
| Package Dimensions | Varies by package type (e.g., PDIP, SOIC, TSSOP) |
Key Features
- Non-inverting hex buffer
- High sink current for driving two TTL loads
- Logic-level conversion using only one supply voltage (VCC)
- Low input current: maximum of 1 µA at 18 V over full package temperature range
- Wide operating voltage range: 3V to 18V
- High propagation delay: typically 50 ns at 15 V and 50 pF load
Applications
- CMOS to DTL or TTL converters
- CMOS current sink or source drivers
- CMOS high-to-low logic level converters
- General-purpose digital logic circuits requiring signal buffering and level conversion
Q & A
- What is the primary function of the CD4049AK?
The CD4049AK is a non-inverting hex buffer, designed to buffer and convert logic levels in digital circuits. - What is the operating voltage range of the CD4049AK?
The operating voltage range is from 3V to 18V. - What is the typical propagation delay of the CD4049AK?
The typical propagation delay is 50 ns at 15 V and 50 pF load. - Can the CD4049AK drive TTL loads?
Yes, it has high sink current capable of driving two TTL loads. - What are the common applications of the CD4049AK?
Common applications include CMOS to DTL or TTL converters, CMOS current sink or source drivers, and CMOS high-to-low logic level converters. - What is the maximum input current of the CD4049AK?
The maximum input current is 1 µA at 18 V over the full package temperature range. - What are the available package types for the CD4049AK?
Available package types include PDIP, SOIC, and TSSOP. - What is the operating temperature range of the CD4049AK?
The operating temperature range is from -55°C to 125°C. - Can the input signal high level exceed the VCC supply voltage?
Yes, the input signal high level can exceed the VCC supply voltage when used for logic-level conversions. - Is the CD4049AK suitable for general-purpose digital logic circuits?
Yes, it is suitable for general-purpose digital logic circuits requiring signal buffering and level conversion.
