Overview
The CD4050B is a non-inverting hex buffer integrated circuit produced by Harris Corporation. This device is part of the CMOS logic family and is designed for logic-level conversion and buffering applications. It features six non-inverting buffers, each capable of driving two TTL or DTL loads directly. The CD4050B is known for its high sink current and low quiescent current, making it suitable for a variety of digital logic circuits.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | - | 18 | V |
| Input Current (IIN) | - | - | ±1 µA | - |
| Output Low Voltage (VOL) | - | - | 0.4 V | - |
| Output High Voltage (VOH) | 4.95 | - | 5 V | - |
| Output Low Current (IOL) | 3.3 mA | - | - | - |
| Propagation Delay Time (tPLH, tPHL) | 70 ns | - | 140 ns | - |
| Operating Temperature Range | -55 °C | - | 125 °C | - |
| Package Types | - | - | PDIP, SOIC, SO, TSSOP | - |
Key Features
- Non-inverting hex buffer with six independent buffers.
- High sink current for driving two TTL or DTL loads directly.
- Logic-level conversion using only one supply voltage (VCC).
- Low quiescent current: 1 µA at 20 V and 25°C.
- High-to-low level logic conversion capability.
- Operates over a wide supply voltage range: 3 V to 18 V.
- Available in various package types: PDIP, SOIC, 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 digital logic circuits requiring buffering and level conversion.
Q & A
- What is the primary function of the CD4050B?
The CD4050B is a non-inverting hex buffer used for logic-level conversion and buffering in digital logic circuits.
- What is the supply voltage range for the CD4050B?
The CD4050B operates over a supply voltage range of 3 V to 18 V.
- How many buffers does the CD4050B have?
The CD4050B has six independent non-inverting buffers.
- What is the maximum output low current (IOL) of the CD4050B?
The maximum output low current (IOL) is 3.3 mA at VCC = 5 V and VOUT = 0.4 V.
- What are the typical propagation delay times for the CD4050B?
The propagation delay times (tPLH and tPHL) range from 70 ns to 140 ns depending on the operating conditions.
- What are the common applications of the CD4050B?
Common applications include CMOS to DTL or TTL converters, CMOS current sink or source drivers, and CMOS high-to-low logic level converters.
- What package types are available for the CD4050B?
The CD4050B is available in PDIP, SOIC, SO, and TSSOP package types.
- What is the operating temperature range of the CD4050B?
The operating temperature range is from -55 °C to 125 °C.
- How much quiescent current does the CD4050B consume?
The quiescent current is 1 µA at 20 V and 25°C.
- Can the CD4050B drive TTL loads directly?
Yes, the CD4050B can drive two TTL or DTL loads directly.
