Overview
The MC14049UB hex inverter/buffer, produced by onsemi, is a complementary MOS device constructed with P−channel and N−channel enhancement mode devices in a single monolithic structure. This device is primarily used where low power dissipation and/or high noise immunity is desired. It provides logic−level conversion using only one supply voltage, VDD, and can drive two TTL/DTL loads when used as CMOS−to−TTL/DTL converters.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 3.0 to 18 | V |
| Input Signal High Level (VIH) | Exceeds VDD | V |
| Output Low Level (VOL) | < 0.4 | V |
| Output High Level (VOH) | VDD - 0.5 | V |
| Output Sink Current (IOL) | > 3.2 | mA |
| Maximum Power Dissipation | 1200 (PDIP), 700 (SOIC) | mW |
| Operating Temperature Range | -55 to 125 | °C |
| Package Types | PDIP, SOIC, TSSOP |
Key Features
- High Source and Sink Currents
- High−to−Low Level Converter
- Meets JEDEC UB Specifications
- Input Signal High Level (VIH) can exceed VDD supply voltage
- Low Power Dissipation
- High Noise Immunity
Applications
The MC14049UB is suitable for various applications where low power consumption and high noise immunity are critical. These include:
- CMOS−to−TTL/DTL converters
- Logic Level Conversion
- Buffering and Line Driving in Digital Circuits
- Automotive and Industrial Control Systems
Q & A
- What is the supply voltage range for the MC14049UB?
The supply voltage range for the MC14049UB is 3.0 V to 18 V.
- Can the input signal high level exceed the supply voltage VDD?
Yes, the input signal high level (VIH) can exceed the VDD supply voltage.
- How many TTL/DTL loads can the MC14049UB drive?
The MC14049UB can drive two TTL/DTL loads when used as CMOS−to−TTL/DTL converters.
- What are the package types available for the MC14049UB?
The MC14049UB is available in PDIP, SOIC, and TSSOP packages.
- What is the operating temperature range for the MC14049UB?
The operating temperature range for the MC14049UB is -55°C to 125°C.
- Does the MC14049UB meet any specific industry standards?
Yes, the MC14049UB meets JEDEC UB specifications.
- What are the key features of the MC14049UB?
The key features include high source and sink currents, high−to−low level conversion, low power dissipation, and high noise immunity.
- Where is the MC14049UB typically used?
The MC14049UB is typically used in applications requiring low power consumption and high noise immunity, such as CMOS−to−TTL/DTL converters and digital circuit buffering.
- Is the MC14049UB suitable for automotive applications?
Yes, the MC14049UB, especially with the NLV prefix, is suitable for automotive and other applications requiring unique site and control change requirements.
- What is the maximum power dissipation for the MC14049UB?
The maximum power dissipation for the MC14049UB is 1200 mW for PDIP packages and 700 mW for SOIC packages.
