Overview
The CD4049UBDRG4 is a hex inverting buffer and logic-level converter produced by Texas Instruments. This component is part of the 4000B series and is designed to operate within a wide range of supply voltages from 3 V to 18 V. It features six inverting buffers, each capable of driving two TTL or DTL loads directly. The device is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) and is RoHS compliant, adhering to the EU RoHS directive 2011/65/EU and 2015/863.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Voltage - Supply | 3 | - | 18 | V |
| Current - Quiescent (Max) | - | - | 4 µA | - |
| Current - Output High, Low | - | - | 4.3 mA, 24 mA | - |
| Logic Level - Low | 1 | - | 2.5 | V |
| Logic Level - High | 4 | - | 12.5 | V |
| Max Propagation Delay @ V, Max CL | - | - | 50 ns @ 15 V, 50 pF | - |
| Operating Temperature | -55 | - | 125 | °C |
| Mounting Type | - | - | Surface Mount | - |
| Package / Case | - | - | 16-SOIC (0.154", 3.90mm Width) | - |
Key Features
- Inverting hex buffers with six channels, each capable of inverting the input signal.
- High sink current for driving two TTL or DTL loads directly.
- Logic-level conversion using only one supply voltage (VCC), allowing input-signal high levels to exceed VCC when used for logic-level conversions.
- Low quiescent current of 4 µA maximum.
- Wide operating temperature range from -55°C to 125°C.
- RoHS compliant and lead-free.
- Available in various packages including PDIP, SOIC, SO, and TSSOP.
Applications
- CMOS to DTL or TTL converters.
- CMOS current sink or source drivers.
- CMOS high-to-low logic level converters.
- General-purpose logic buffering and signal inversion in digital circuits.
Q & A
- What is the primary function of the CD4049UBDRG4?
The CD4049UBDRG4 is a hex inverting buffer and logic-level converter, designed to invert input signals and convert logic levels between CMOS and TTL/DTL.
- What is the supply voltage range for the CD4049UBDRG4?
The supply voltage range is from 3 V to 18 V.
- How many TTL or DTL loads can each buffer drive?
Each buffer can drive two TTL or DTL loads directly.
- What is the maximum quiescent current of the CD4049UBDRG4?
The maximum quiescent current is 4 µA.
- What is the operating temperature range of the CD4049UBDRG4?
The operating temperature range is from -55°C to 125°C.
- Is the CD4049UBDRG4 RoHS compliant?
Yes, the CD4049UBDRG4 is RoHS compliant and lead-free.
- In what packages is the CD4049UBDRG4 available?
The CD4049UBDRG4 is available in PDIP, SOIC, SO, and TSSOP packages.
- What are some common applications of the CD4049UBDRG4?
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 propagation delay of the CD4049UBDRG4?
The maximum propagation delay is 50 ns at 15 V with a 50 pF load capacitance.
- Is the CD4049UBDRG4 suitable for surface mounting?
Yes, the CD4049UBDRG4 is suitable for surface mounting.
