Overview
The CD4050B, specifically the CD4050BDRG4, is a noninverting hex buffer and logic-level converter produced by Texas Instruments. This device is part of the CD4050B series, which is designed to provide high-performance logic-level conversion and buffering capabilities. The CD4050BDRG4 is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for a variety of applications where space is a concern.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | - | 18 | V |
| Input Low Voltage (VIL) | 0 | - | 1.5 | V (at VCC = 5V) |
| Input High Voltage (VIH) | 3.5 | - | - | V (at VCC = 5V) |
| Output Low Voltage (VOL) | 0 | - | 0.05 | V (at VCC = 5V, IOL = 3.3mA) |
| Output High Voltage (VOH) | 4.95 | - | 5 | V (at VCC = 5V, IOH = -3.3mA) |
| Propagation Delay Time (tPLH) | 70 | 140 | - | ns (at VCC = 5V) |
| Propagation Delay Time (tPHL) | 55 | 110 | - | ns (at VCC = 5V) |
| Quiescent Device Current (IDD) | - | 0.02 | 30 | µA (at VCC = 5V, TA = 25°C) |
| Junction-to-Ambient Thermal Resistance (RθJA) | - | - | 81.6 | °C/W (SOIC package) |
Key Features
- Noninverting hex buffer with six independent buffers.
- High sink current capability to drive two TTL loads directly.
- Logic-level conversion using only one supply voltage (VCC).
- Low input current of 1 µA at 18 V over the full package temperature range.
- High-to-low level logic conversion.
- Available in various packages including SOIC, PDIP, SO, and TSSOP.
Applications
- CMOS to DTL or TTL hex 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 primary function of the CD4050BDRG4? The CD4050BDRG4 is a noninverting hex buffer and logic-level converter.
- What are the typical applications of the CD4050BDRG4? It is used in CMOS to DTL or TTL conversions, CMOS current sink or source drivers, and as a CMOS high-to-low logic level converter.
- What is the maximum supply voltage for the CD4050BDRG4? The maximum supply voltage (VCC) is 18 V.
- What is the propagation delay time for the CD4050BDRG4? The propagation delay time (tPLH and tPHL) ranges from 70 ns to 140 ns at VCC = 5 V.
- What is the quiescent device current of the CD4050BDRG4? The quiescent device current (IDD) is typically 0.02 µA at VCC = 5 V and TA = 25°C.
- What are the available packages for the CD4050BDRG4? It is available in SOIC, PDIP, SO, and TSSOP packages.
- What is the junction-to-ambient thermal resistance of the SOIC package? The junction-to-ambient thermal resistance (RθJA) is 81.6 °C/W for the SOIC package.
- Can the CD4050BDRG4 drive TTL loads directly? Yes, it can drive two TTL loads directly due to its high sink current capability.
- What is the input current of the CD4050BDRG4 at 18 V? The input current is 1 µA at 18 V over the full package temperature range.
- Is the CD4050BDRG4 suitable for high-to-low logic level conversion? Yes, it is designed for high-to-low logic level conversion.
