Overview
The CD4049UBDR, manufactured by Texas Instruments, is a CMOS Hex Inverting Buffer and Converter. This device is part of the 4000B series and is designed to provide high-performance logic-level conversion and buffering capabilities. It is particularly useful for converting CMOS logic levels to DTL (Diode-Transistor Logic) or TTL (Transistor-Transistor Logic) levels, making it versatile in various digital circuit applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | 18 | V | |
| Operating Temperature | -55 | 125 | °C | |
| Output Low Voltage (VOL) | 0 | 0.4 | V | |
| Output High Voltage (VOH) | 4.95 | 5 | V (at VCC = 5V) | |
| Output Low Current (IOL) | 2.6 | 5.2 | mA (at VCC = 5V, TA = 25°C) | |
| Propagation Delay Time (tPLH) | 60 | 120 | ns (at VCC = 5V) | |
| Propagation Delay Time (tPHL) | 32 | 65 | ns (at VCC = 5V) | |
| Input Capacitance (CIN) | 15 | pF | ||
| Package Type | 16-SOIC |
Key Features
- Inverting Hex Buffer: The CD4049UBDR is an inverting buffer, meaning it inverts the input logic level at the output.
- High Sink Current: Capable of driving two TTL loads with high sink current.
- High-to-Low Level Logic Conversion: Converts CMOS logic levels to DTL or TTL levels using a single supply voltage.
- Low Input Current: Maximum input current of 1 µA at 18 V over the full package temperature range.
- Wide Supply Voltage Range: Operates with supply voltages from 3 V to 18 V.
- Lead-Free and RoHS Compliant: Ensures environmental compliance.
Applications
- CMOS to DTL/TTL Hex Converters: Ideal for converting CMOS logic levels to DTL or TTL levels.
- CMOS Current Sink or Source Drivers: Can be used as drivers for CMOS circuits.
- Logic-Level Conversion: Useful in applications requiring high-to-low logic level conversion.
Q & A
- What is the primary function of the CD4049UBDR?
The CD4049UBDR is a CMOS Hex Inverting Buffer and Converter, primarily used for converting CMOS logic levels to DTL or TTL levels. - What is the operating temperature range of the CD4049UBDR?
The operating temperature range is from -55°C to 125°C. - What is the maximum output low current (IOL) of the CD4049UBDR?
The maximum output low current (IOL) is 5.2 mA at VCC = 5V and TA = 25°C. - What is the propagation delay time (tPLH) of the CD4049UBDR?
The propagation delay time (tPLH) is between 60 ns and 120 ns at VCC = 5V. - Is the CD4049UBDR lead-free and RoHS compliant?
Yes, the CD4049UBDR is lead-free and RoHS compliant. - What is the package type of the CD4049UBDR?
The package type is 16-SOIC. - What is the maximum input current of the CD4049UBDR?
The maximum input current is 1 µA at 18 V over the full package temperature range. - Can the CD4049UBDR drive TTL loads directly?
Yes, it can drive two TTL loads directly. - What is the supply voltage range of the CD4049UBDR?
The supply voltage range is from 3 V to 18 V. - Is the CD4049UBDR sensitive to electrostatic discharge?
Yes, it is sensitive to electrostatic discharge; proper IC handling procedures should be followed.
