Overview
The CD4049UBPW 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 driving two TTL or DTL loads directly. The CD4049UBPW is available in a 16-pin TSSOP package, making it suitable for a variety of applications where compact size and high reliability are essential.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3.0 | - | 18.0 | V |
| Operating Temperature | -55.0 | - | 125.0 | °C |
| Input Low Voltage (VIL) | 1.0 | - | 2.5 | V |
| Input High Voltage (VIH) | 4.0 | - | - | V |
| Output Low Voltage (VOL) | 0.05 | - | 0.4 | V |
| Output High Voltage (VOH) | 4.95 | - | 5.0 | V |
| Output Low Current (IOL) | 2.6 | - | 6.4 | mA |
| Propagation Delay Time (tPLH, tPHL) | 32 | - | 140 | ns |
| Input Capacitance (CIN) | 15 | - | 22.5 | pF |
| Package Type | - | - | TSSOP-16 | - |
Key Features
- Inverting hex buffers with six independent buffers.
- High sink current capability to drive two TTL or DTL loads directly.
- Logic-level conversion from CMOS to TTL or DTL using a single supply voltage.
- High input impedance and low input current.
- Wide operating voltage range: 3.0 V to 18.0 V.
- Operating temperature range: -55°C to 125°C.
- Available in TSSOP-16 package for compact designs.
Applications
- CMOS to DTL or TTL converters.
- CMOS current sink or source drivers.
- High-to-low logic level converters.
- General-purpose logic circuits requiring inverting buffers.
- Industrial control systems and automation.
- Consumer electronics and appliances.
Q & A
- What is the primary function of the CD4049UBPW?
The CD4049UBPW is a CMOS hex inverting buffer and logic-level converter, designed to convert CMOS logic levels to TTL or DTL levels.
- What is the operating voltage range of the CD4049UBPW?
The operating voltage range is from 3.0 V to 18.0 V.
- How many independent buffers does the CD4049UBPW have?
The CD4049UBPW has six independent inverting buffers.
- What is the maximum output low current (IOL) of the CD4049UBPW?
The maximum output low current is 6.4 mA.
- What is the propagation delay time of the CD4049UBPW?
The propagation delay time ranges from 32 ns to 140 ns depending on the conditions.
- What package type is the CD4049UBPW available in?
The CD4049UBPW is available in a TSSOP-16 package.
- What are the typical applications of the CD4049UBPW?
Typical applications include CMOS to DTL or TTL converters, CMOS current sink or source drivers, and high-to-low logic level converters.
- What is the operating temperature range of the CD4049UBPW?
The operating temperature range is from -55°C to 125°C.
- Is the CD4049UBPW compliant with RoHS regulations?
- What is the input capacitance of the CD4049UBPW?
The input capacitance ranges from 15 pF to 22.5 pF.
