Overview
The CD4049UB, 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 operate with a single supply voltage (VCC). It features six inverting buffers, making it suitable for various logic-level conversion and driving applications. The CD4049UB is available in several package types, including SOIC, PDIP, SO, and TSSOP, catering to different design requirements.
Key Specifications
| Parameter | Description | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | Operating Supply Voltage | 3.0 | - | 18.0 | V |
| Operating Temperature | Operating Temperature Range | -55.0 | - | 125.0 | °C |
| Input Current (IIN) | Maximum Input Current at 18 V and 25°C | - | - | 100 nA | A |
| Output Low Voltage (VOL) | Output Low Voltage at VCC = 5 V | - | - | 0.4 | V |
| Output Low Current (IOL) | Output Low Current at VCC = 5 V and VOUT = 0.4 V | 2.6 | - | 5.2 | mA |
| Propagation Delay (tpd) | Propagation Delay Time at VCC = 5 V | 60 | - | 120 | ns |
| Input Capacitance (CIN) | Input Capacitance | 15 | - | 22.5 | pF |
Key Features
- Inverting hex buffers with six independent buffers.
- High sink current capability to drive two TTL loads directly.
- Logic-level conversion from CMOS to DTL or TTL using a single supply voltage.
- High input impedance and low input current.
- Wide operating supply voltage range from 3 V to 18 V.
- Operating temperature range from -55°C to 125°C.
- Available in various package types including SOIC, PDIP, 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 circuits requiring inverting buffers.
- Interface circuits between CMOS and TTL systems.
Q & A
- What is the CD4049UB used for?
The CD4049UB is used as an inverting hex buffer and for logic-level conversion from CMOS to DTL or TTL.
- What are the different package types available for the CD4049UB?
The CD4049UB is available in SOIC, PDIP, SO, and TSSOP packages.
- What is the operating supply voltage range for the CD4049UB?
The operating supply voltage range is from 3 V to 18 V.
- How many independent buffers does the CD4049UB have?
The CD4049UB has six independent inverting buffers.
- What is the maximum output low current (IOL) of the CD4049UB?
The maximum output low current (IOL) is 5.2 mA at VCC = 5 V and VOUT = 0.4 V.
- What is the propagation delay time (tpd) of the CD4049UB?
The propagation delay time (tpd) is typically 120 ns at VCC = 5 V.
- What is the input capacitance (CIN) of the CD4049UB?
The input capacitance (CIN) is typically 22.5 pF.
- What are the typical applications of the CD4049UB?
Typical applications include CMOS to DTL or TTL converters, CMOS current sink or source drivers, and general-purpose logic circuits.
- Is the CD4049UB RoHS compliant?
Yes, the CD4049UB is RoHS compliant.
- What is the operating temperature range of the CD4049UB?
The operating temperature range is from -55°C to 125°C.
