Overview
The CD4050B, specifically the CD4050BDR model, is a non-inverting hex buffer and logic-level converter produced by Texas Instruments. This device is part of the CD4050B series, which features six non-inverting buffers. It is designed to operate with a single supply voltage and is capable of converting CMOS logic levels to DTL or TTL levels. The CD4050BDR is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for a variety of digital logic applications.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Low Voltage (VOL) | VIN = 0 or 5 V, VCC = 5 V | 0 | 0.05 | 0.05 | V |
| Output High Voltage (VOH) | VIN = 0 or 5 V, VCC = 5 V | 4.95 | 5 | 5 | V |
| Input Low Voltage (VIL) | VOUT = 0.5 V, VCC = 5 V | 1.5 | V | ||
| Input High Voltage (VIH) | VOUT = 4.5 V, VCC = 5 V | 3.5 | V | ||
| Propagation Delay Time (tPLH) | VIN = 5 V, VCC = 5 V | 70 | 140 | ns | |
| Propagation Delay Time (tPHL) | VIN = 5 V, VCC = 5 V | 55 | 110 | ns | |
| Output Low Current (IOL) | VOUT = 0.4 V, VIN = 0 or 5 V, VCC = 5 V | 3.2 | 6.4 | mA | |
| Junction-to-Ambient Thermal Resistance (RθJA) | 81.2 | °C/W |
Key Features
- Non-Inverting Hex Buffers: The CD4050BDR features six non-inverting buffers, making it suitable for logic signal amplification and level conversion.
- Logic-Level Conversion: Capable of converting CMOS logic levels to DTL or TTL levels using a single supply voltage.
- High Sink Current: Can drive up to two DTL or TTL loads directly.
- Low Input Current: Maximum input current of 1 µA at 18 V over the full package temperature range.
- Wide Operating Voltage Range: Operates with supply voltages from 5 V to 15 V.
- Compact Packaging: Available in a 16-pin SOIC package, which is compact and suitable for various applications.
Applications
- CMOS to DTL or TTL Converters: Ideal for converting CMOS logic signals to DTL or TTL levels in mixed-logic systems.
- CMOS Current Sink or Source Drivers: Can be used as drivers for CMOS circuits that require high sink or source current capabilities.
- High-to-Low Logic Level Converters: Useful in applications where logic level conversion is necessary, such as in interfacing different logic families.
- Digital Logic Circuits: Suitable for use in various digital logic circuits where non-inverting buffer functions are required.
Q & A
- What is the primary function of the CD4050BDR?
The primary function of the CD4050BDR is to act as a non-inverting hex buffer and logic-level converter, converting CMOS logic levels to DTL or TTL levels.
- What is the maximum output low current (IOL) of the CD4050BDR?
The maximum output low current (IOL) of the CD4050BDR is 6.4 mA at VOUT = 0.4 V, VIN = 0 or 5 V, and VCC = 5 V.
- What is the propagation delay time (tPLH) of the CD4050BDR?
The propagation delay time (tPLH) of the CD4050BDR is typically 140 ns at VIN = 5 V and VCC = 5 V.
- What are the typical applications of the CD4050BDR?
The CD4050BDR is typically used in CMOS to DTL or TTL converters, CMOS current sink or source drivers, and high-to-low logic level converters.
- What is the junction-to-ambient thermal resistance (RθJA) of the CD4050BDR in SOIC package?
The junction-to-ambient thermal resistance (RθJA) of the CD4050BDR in SOIC package is 81.2 °C/W.
- What is the input current of the CD4050BDR at 18 V?
The maximum input current of the CD4050BDR at 18 V is 1 µA over the full package temperature range.
- Can the CD4050BDR drive TTL loads directly?
Yes, the CD4050BDR can drive up to two DTL or TTL loads directly.
- What are the available package types for the CD4050BDR?
The CD4050BDR is available in PDIP, SOIC, SO, and TSSOP packages.
- What is the operating voltage range of the CD4050BDR?
The CD4050BDR operates with supply voltages from 5 V to 15 V.
- How many buffers does the CD4050BDR contain?
The CD4050BDR contains six non-inverting buffers.
