Overview
The 74LVT125DB,112 is a quad buffer/line driver IC produced by NXP Semiconductors, now part of Nexperia. This device is part of the 74LVT series and is designed to operate within a wide supply voltage range of 2.7 to 3.6 volts. It features 3-state outputs controlled by output enable inputs, making it suitable for various digital logic applications. The 74LVT125DB,112 is available in a SO14 (Small Outline) package and is fully specified for partial power-down applications, ensuring safe operation in mixed-voltage environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC | 2.7 - 3.6 | V |
| Logic Switching Levels | TTL | |
| Output Drive Capability | -32 / +64 | mA |
| Maximum Frequency | 150 | MHz |
| Number of Bits | 4 | |
| Operating Temperature Range | -40 to +85 | °C |
| Package Type | SO14 (Small Outline) | |
| Propagation Delay (LOW to HIGH) | 1.0 - 4.0 ns (VCC = 3.0 to 3.6 V) | ns |
| Propagation Delay (HIGH to LOW) | 1.0 - 3.9 ns (VCC = 3.0 to 3.6 V) | ns |
Key Features
- Quad bus interface with 3-state buffers
- Wide supply voltage range from 2.7 to 3.6 V
- BiCMOS high-speed and high output drive capability
- Output capability: +64 mA and -32 mA
- Direct interface with TTL levels
- Overvoltage tolerant inputs up to 5.5 V
- Bus hold data inputs eliminate the need for external pull-up resistors
- Live insertion and extraction permitted
- No bus current loading when output is tied to 5 V bus
- Power-up 3-state and IOFF circuitry for partial power-down mode operation
- ESD protection: HBM EIA/JESD22-A114-A exceeds 2000V, MM EIA/JESD22-A115-A exceeds 200V
Applications
The 74LVT125DB,112 is suitable for a variety of applications, including:
- Digital logic circuits requiring high-speed and high-drive capabilities
- Mixed-voltage systems where partial power-down is necessary
- Bus interface applications where 3-state buffers are required
- Systems needing overvoltage tolerant inputs and ESD protection
- Embedded systems, industrial control systems, and communication equipment
Q & A
- What is the supply voltage range of the 74LVT125DB,112?
The supply voltage range is from 2.7 to 3.6 volts.
- What type of logic switching levels does the 74LVT125DB,112 support?
The device supports TTL (Transistor-Transistor Logic) levels.
- What is the output drive capability of the 74LVT125DB,112?
The output drive capability is +64 mA and -32 mA.
- What is the maximum frequency of operation for the 74LVT125DB,112?
The maximum frequency is 150 MHz.
- What type of package is the 74LVT125DB,112 available in?
The device is available in a SO14 (Small Outline) package.
- Does the 74LVT125DB,112 support live insertion and extraction?
- What is the purpose of the IOFF circuitry in the 74LVT125DB,112?
The IOFF circuitry provides partial power-down mode operation, preventing backflow current when the device is powered down.
- What level of ESD protection does the 74LVT125DB,112 offer?
The device offers ESD protection with HBM EIA/JESD22-A114-A exceeding 2000V and MM EIA/JESD22-A115-A exceeding 200V.
- What is the operating temperature range of the 74LVT125DB,112?
The operating temperature range is from -40 to +85 °C.
- Does the 74LVT125DB,112 require external pull-up resistors for unused inputs?
No, the device features bus hold data inputs that eliminate the need for external pull-up resistors.
