Overview
The CD4049UBNS is a CMOS hex inverting buffer and logic-level converter produced by Texas Instruments. This device is part of the 4000/14000/40000 series and is designed to provide high-performance logic functions. It features six inverting buffers, each capable of converting CMOS logic levels to DTL or TTL levels, making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | SO (Small Outline) | |
| Number of Functions | 6 | |
| Number of Inputs | 1 per function | |
| Number of Terminals | 16 | |
| Operating Temperature Range | -55°C to 125°C | °C |
| Supply Voltage Range | 3.0 V to 18.0 V | V |
| Output Low Voltage (VOL) | ≤ 0.4 V | V |
| Output Low Current (IOL) | ≥ 3.3 mA (at VCC = 5 V) | mA |
| Propagation Delay Time (tpd) | 120 ns (typical at VCC = 5 V) | ns |
| Input Capacitance (CIN) | 15 to 22.5 pF | pF |
| Power Supply Current (ICC) | ≤ 0.6 mA | mA |
Key Features
- Inverting hex buffers with logic-level conversion capability.
- High sink current for driving two TTL loads.
- High-to-low logic level conversion using only one supply voltage (VCC).
- Low input current of 1 µA at 18 V over the full package temperature range.
- CMOS, DTL, and TTL compatibility.
- Available in various packages including SOIC, PDIP, SO, and TSSOP.
Applications
- CMOS to DTL or TTL hex converters.
- CMOS current sink or source drivers.
- CMOS high-to-low logic level converters.
- General-purpose digital logic circuits requiring level translation.
Q & A
- What is the primary function of the CD4049UBNS?
The CD4049UBNS is primarily used as an inverting hex buffer and logic-level converter, converting CMOS logic levels to DTL or TTL levels.
- What are the operating temperature and voltage ranges for the CD4049UBNS?
The operating temperature range is -55°C to 125°C, and the supply voltage range is 3.0 V to 18.0 V.
- How many functions does the CD4049UBNS have?
The CD4049UBNS has six inverting buffer functions.
- What is the typical propagation delay time for the CD4049UBNS?
The typical propagation delay time is 120 ns at VCC = 5 V.
- What is the maximum output low current (IOL) for the CD4049UBNS?
The maximum output low current (IOL) is ≥ 3.3 mA at VCC = 5 V.
- What are the common applications of the CD4049UBNS?
- What packages are available for the CD4049UBNS?
The CD4049UBNS is available in SOIC, PDIP, SO, and TSSOP packages.
- What is the input capacitance range for the CD4049UBNS?
The input capacitance range is 15 to 22.5 pF.
- Is the CD4049UBNS compliant with environmental regulations?
- What is the maximum power supply current (ICC) for the CD4049UBNS?
The maximum power supply current (ICC) is ≤ 0.6 mA.
