Overview
The CD4049UBDWR, produced by Texas Instruments, is a CMOS hex inverting buffer and logic-level converter. 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 CD4049UBDWR is available in a 16-pin SOIC package, making it suitable for a variety of applications requiring logic-level conversion and buffering.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3.0 | - | 18.0 | V |
| Operating Temperature | -55.0 | - | 125.0 | °C |
| Output Low Voltage (VOL) | 0.05 | - | 0.05 | V |
| Output High Voltage (VOH) | 4.95 | - | 5.0 | V (at VCC = 5V) |
| Input Low Voltage (VIL) | 1.0 | - | 2.5 | V |
| Input High Voltage (VIH) | 4.0 | - | - | V |
| Propagation Delay (tPLH, tPHL) | 32 | 65 | 120 | ns |
| Input Capacitance (CIN) | 15 | - | 22.5 | pF |
| Power Supply Current (ICC) | - | - | 0.6 | mA |
| Package Type | - | - | SOIC-16 | - |
Key Features
- Inverting hex buffers with six independent channels.
- 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.
- Low input current of 1 µA at 18 V over the full temperature range.
- Wide operating temperature range from -55°C to 125°C.
- Available in various packages including SOIC, PDIP, SO, and TSSOP.
Applications
- CMOS to DTL or TTL converters.
- CMOS current sink or source drivers.
- High-to-low logic level converters.
- General-purpose logic buffering and level shifting in digital circuits.
Q & A
- What is the CD4049UBDWR used for? The CD4049UBDWR is used as a CMOS hex inverting buffer and logic-level converter, particularly for converting CMOS signals to TTL or DTL levels.
- What are the key features of the CD4049UBDWR? Key features include inverting hex buffers, high sink current, logic-level conversion, low input current, and a wide operating temperature range.
- What is the supply voltage range for the CD4049UBDWR? The supply voltage range is from 3.0 V to 18.0 V.
- What is the operating temperature range of the CD4049UBDWR? The operating temperature range is from -55°C to 125°C.
- How many TTL or DTL loads can the CD4049UBDWR drive? The CD4049UBDWR can drive two TTL or DTL loads directly.
- What is the propagation delay of the CD4049UBDWR? The propagation delay (tPLH, tPHL) ranges from 32 ns to 120 ns.
- What package types are available for the CD4049UBDWR? The CD4049UBDWR is available in SOIC, PDIP, SO, and TSSOP packages.
- Is the CD4049UBDWR RoHS compliant? Yes, the CD4049UBDWR is RoHS compliant.
- What is the input capacitance of the CD4049UBDWR? The input capacitance (CIN) is between 15 pF and 22.5 pF.
- What is the maximum power supply current for the CD4049UBDWR? The maximum power supply current (ICC) is 0.6 mA.
