Overview
The SN74LVTH125PW is a 4-channel buffer with bus-hold, designed by Texas Instruments. This component is optimized 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 digital signal processing applications. The device is packaged in a 14-pin TSSOP (Thin Shrink Small Outline Package) and operates over a temperature range of -40°C to 85°C.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| Supply Voltage (VCC) | 2.7 | 3.6 | V |
| High-Level Input Voltage (VIH) | 2 | 5.5 | V |
| Low-Level Input Voltage (VIL) | 0.8 | 0.8 | V |
| High-Level Output Current (IOH) | -24 | -32 | mA |
| Low-Level Output Current (IOL) | 48 | 64 | mA |
| Operating Temperature Range | -40 | 85 | °C |
| Package Type | TSSOP (PW) | ||
| Number of Pins | 14 |
Key Features
- Support for mixed-mode signal operation: 5-V input and output voltages with 3.3-V VCC.
- Support for unregulated battery operation down to 2.7 V.
- Typical VOLP (output ground bounce) < 0.8 V at VCC = 3.3 V, TA = 25°C.
- Ioff and power-up 3-state support for hot insertion.
- Bus hold on data inputs eliminates the need for external pullup/pulldown resistors.
- Latch-up performance exceeds 500 mA per JESD 17.
- ESD protection exceeds JESD 22: 2000-V human-body model (A114-A) and 200-V machine model (A115-A).
Applications
The SN74LVTH125PW is suitable for a variety of applications where low-voltage operation and compatibility with both 3.3-V and 5-V systems are required. These include:
- Embedded systems and microcontrollers requiring level translation between different voltage domains.
- Industrial control systems where robust ESD protection and latch-up performance are critical.
- Automotive electronics that need to operate over a wide temperature range.
- Telecommunication equipment requiring reliable and efficient signal buffering.
Q & A
- What is the operating voltage range of the SN74LVTH125PW?
The operating voltage range is from 2.7 V to 3.6 V.
- What is the temperature range for the SN74LVTH125PW?
The device operates over a temperature range of -40°C to 85°C.
- What type of package does the SN74LVTH125PW come in?
The device is packaged in a 14-pin TSSOP (Thin Shrink Small Outline Package).
- Does the SN74LVTH125PW support hot insertion?
- What is the purpose of the bus-hold feature in the SN74LVTH125PW?
The bus-hold feature holds unused or undriven inputs at a valid logic state, eliminating the need for external pullup or pulldown resistors.
- What level of ESD protection does the SN74LVTH125PW offer?
The device offers ESD protection exceeding JESD 22: 2000-V human-body model (A114-A) and 200-V machine model (A115-A)).
- Can the SN74LVTH125PW be used in mixed-voltage systems?
- What is the typical output ground bounce (VOLP) for the SN74LVTH125PW?
OLP is less than 0.8 V at VCC = 3.3 V and TA = 25°C). - How does the SN74LVTH125PW handle power-up and power-down states?
- What is the latch-up performance of the SN74LVTH125PW?
