Overview
The CD4049UBNSR 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 CD4049UBNSR 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 |
| Input Current (IIN) | - | - | 1 µA at 18 V | A |
| Output Low Voltage (VOL) | - | - | 0.4 V at VCC = 5 V | V |
| Output High Voltage (VOH) | 4.95 | - | 5 V at VCC = 5 V | V |
| Output Low Current (IOL) | 2.6 | - | 6.4 mA at VCC = 5 V | mA |
| Propagation Delay (tpd) | 60 | 120 | - ns at VCC = 5 V | ns |
| Input Capacitance (CIN) | 15 | 22.5 | - pF | pF |
| Package Type | - | - | SOIC-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 using only one supply voltage (VCC).
- High input impedance and low input current.
- Wide operating voltage range from 3.0 V to 18.0 V.
- Operating temperature range from -55°C to 125°C.
- Compliant with EU RoHS, China RoHS, and REACH regulations.
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 level shifting in digital circuits.
Q & A
- What is the CD4049UBNSR used for? The CD4049UBNSR is used as a CMOS hex inverting buffer and logic-level converter, particularly for converting CMOS signals to TTL or DTL levels.
- What is the operating voltage range of the CD4049UBNSR? The operating voltage range is from 3.0 V to 18.0 V.
- How many buffers does the CD4049UBNSR have? The CD4049UBNSR has six independent inverting buffers.
- What is the maximum output low current (IOL) of the CD4049UBNSR? The maximum output low current (IOL) is 6.4 mA at VCC = 5 V.
- What is the propagation delay of the CD4049UBNSR? The propagation delay (tpd) is typically 120 ns at VCC = 5 V.
- What are the compliance standards for the CD4049UBNSR? The CD4049UBNSR is compliant with EU RoHS, China RoHS, and REACH regulations.
- What is the package type of the CD4049UBNSR? The CD4049UBNSR is available in a 16-pin SOIC package.
- What is the operating temperature range of the CD4049UBNSR? The operating temperature range is from -55°C to 125°C.
- Can the CD4049UBNSR drive TTL loads directly? Yes, the CD4049UBNSR can drive two TTL or DTL loads directly.
- What is the input capacitance of the CD4049UBNSR? The input capacitance (CIN) is typically 22.5 pF.
