Overview
The CD4049UBER3817 is a CMOS hex inverting buffer and converter IC produced by Texas Instruments. This device is part of the CD4049UB series and is designed to provide logic-level conversion and buffering capabilities. It features six individual inverting buffers, making it suitable for various logic conversion and driving applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Voltage | 3 | - | 18 | V |
| Maximum Low-Level Output Voltage | 0.05 | - | 0.05 | V (at VCC = 5V, 10V, 15V) |
| Minimum High-Level Output Voltage | 4.95 | - | 5 | V (at VCC = 5V) |
| Input Low Voltage | 1 | - | 2.5 | V (depending on VCC) |
| Input High Voltage | 4 | - | - | V (depending on VCC) |
| Propagation Delay Time (Low to High) | 25 | - | 120 | ns (depending on VCC and VIN) |
| Propagation Delay Time (High to Low) | 10 | - | 65 | ns (depending on VCC and VIN) |
| Maximum Input Current | 100 nA | - | 1 µA | A (at 18V and 25°C or full temperature range) |
| Junction-to-Ambient Thermal Resistance | 49.5 | - | 108.9 | °C/W (depending on package type) |
Key Features
- Inverting hex buffers with six individual NOT gates.
- High sink current for driving up to 2 TTL loads.
- Logic-level conversion using only one supply voltage (VCC).
- Operating voltage range: 3V to 18V DC.
- Low input current: 100 nA at 18V and 25°C.
- High-to-low logic level conversion capability.
Applications
- CMOS to DTL or TTL hex converters.
- CMOS current sink or source drivers.
- CMOS high-to-low logic level converters.
Q & A
- What is the CD4049UBER3817 used for?
The CD4049UBER3817 is used as a CMOS to DTL or TTL converter, CMOS current sink or source driver, and for high-to-low logic level conversion.
- How many inverting buffers does the CD4049UBER3817 contain?
The CD4049UBER3817 contains six individual inverting buffers.
- What is the operating voltage range of the CD4049UBER3817?
The operating voltage range is from 3V to 18V DC.
- What is the maximum low-level output voltage of the CD4049UBER3817?
The maximum low-level output voltage is 0.05V at VCC = 5V, 10V, or 15V.
- What is the propagation delay time of the CD4049UBER3817?
The propagation delay time varies from 25ns to 120ns depending on VCC and VIN.
- What is the maximum input current of the CD4049UBER3817?
The maximum input current is 1 µA at 18V over the full temperature range and 100 nA at 18V and 25°C.
- What are the available packages for the CD4049UBER3817?
The available packages include PDIP (16 pins), SOIC (16 pins), SO (16 pins), and TSSOP (16 pins).
- What is the junction-to-ambient thermal resistance of the CD4049UBER3817?
The junction-to-ambient thermal resistance ranges from 49.5°C/W to 108.9°C/W depending on the package type.
- Can the CD4049UBER3817 drive TTL loads?
Yes, the CD4049UBER3817 can drive up to 2 TTL loads due to its high sink current capability.
- What are some alternatives to the CD4049UBER3817?
Alternatives include the 7404 and 74LS04 ICs.
