Overview
The SN74LVT125DR is a 3.3-V ABT (Advanced BiCMOS Technology) quadruple bus buffer with 3-state outputs, designed and manufactured by Texas Instruments. This device is specifically tailored for low-voltage (3.3-V) VCC operation but also supports a TTL interface in a 5-V system environment. It features independent line drivers with 3-state outputs, making it versatile for various signal transmission applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (D) - 14 pins |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | 2.7 V to 3.6 V |
| Output Type | 3-State |
| Input Compatibility | TTL-compatible CMOS inputs |
| ESD Protection | 2000-V Human-Body Model (A114-A), 200-V Machine Model (A115-A) |
| Latch-Up Performance | Exceeds 500 mA per JEDEC Standard JESD-17 |
| Partial-Power-Down Mode | Supported through Ioff circuitry |
Key Features
- Supports Mixed-Mode Signal Operation (5-V input and output voltages with 3.3-V VCC)
- Supports unregulated battery operation down to 2.7 V
- Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 3.3 V, TA = 25°C
- Bus-Hold Data Inputs eliminate the need for external pullup resistors
- Ioff supports partial-power-down mode operation
- ESD protection exceeds JESD 22 standards
Applications
The SN74LVT125DR is suitable for a variety of applications, including:
- Industrial automation systems
- Portable electronics
- Telecommunications equipment
- Automotive systems
- Any environment requiring low-voltage, high-speed signal buffering and translation
Q & A
- What is the primary function of the SN74LVT125DR?
The SN74LVT125DR is a quadruple bus buffer with 3-state outputs, designed to buffer and translate signals in low-voltage applications.
- What is the operating voltage range of the SN74LVT125DR?
The device operates within a supply voltage range of 2.7 V to 3.6 V.
- What type of inputs does the SN74LVT125DR support?
The device supports TTL-compatible CMOS inputs.
- Does the SN74LVT125DR support partial-power-down mode?
Yes, it supports partial-power-down mode through Ioff circuitry.
- What is the purpose of the bus-hold feature in the SN74LVT125DR?
The bus-hold feature holds unused or undriven inputs at a valid logic state, eliminating the need for external pullup or pulldown resistors.
- What kind of ESD protection does the SN74LVT125DR offer?
The device offers ESD protection exceeding 2000-V Human-Body Model (A114-A) and 200-V Machine Model (A115-A).
- What is the latch-up performance of the SN74LVT125DR?
The latch-up performance exceeds 500 mA per JEDEC Standard JESD-17.
- What is the typical output ground bounce (VOLP) of the SN74LVT125DR?
The typical VOLP is less than 0.8 V at VCC = 3.3 V and TA = 25°C.
- In what package types is the SN74LVT125DR available?
The device is available in SOIC (D) and SSOP packages.
- Is the SN74LVT125DR RoHS compliant?
Yes, the SN74LVT125DR is RoHS compliant.
- What are some common applications for the SN74LVT125DR?
Common applications include industrial automation, portable electronics, telecommunications, and automotive systems.
