SN74LVTH125PWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: Low-Voltage, High-Speed, 3-State Output
• Package: TSSOP-14
• Essence: Logic Level Translator
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 2.8ns (typical)
• Output Current: ±12mA
• Input Capacitance: 3pF (typical)

Detailed Pin Configuration

The SN74LVTH125PWRE4 has a TSSOP-14 package with the following pin configuration:

___________ OE -| 1 14 |- VCC A -| 2 13 |- Y B -| 3 12 |- B GND -| 4 11 |- A Y -| 5 10 |- OE B -| 6 9 |- GND A -| 7 8 |- Y ‾‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• Logic level translation between different voltage domains.
• 3-state outputs allow multiple devices to share a common bus.
• High-speed operation for efficient data transfer.
• Low-voltage operation for reduced power consumption.
• ESD protection on all inputs and outputs.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - 3-state outputs enable bus sharing and reduce the number of required pins. - High-speed operation facilitates fast data transfer. - ESD protection ensures robustness against electrostatic discharge.

Disadvantages: - Limited output current may restrict use in certain applications. - TSSOP package may require careful handling during assembly.

Working Principles

The SN74LVTH125PWRE4 is a buffer/driver IC that performs logic level translation between different voltage domains. It accepts input signals from one voltage domain and provides output signals compatible with another voltage domain. The device operates at low voltages, making it suitable for use in battery-powered devices.

The 3-state outputs allow multiple devices to share a common bus without interfering with each other. When the output enable (OE) pin is high, the outputs are in a high-impedance state, effectively disconnecting them from the bus. This feature enables efficient communication between multiple devices connected to the same bus.

The IC incorporates ESD protection on all inputs and outputs, safeguarding it against damage caused by electrostatic discharge.

Detailed Application Field Plans

The SN74LVTH125PWRE4 is commonly used in various applications, including:

1. Microcontroller interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
2. Level shifting: It enables signal translation between different logic families, such as TTL and CMOS.
3. Bus sharing: The 3-state outputs make it suitable for bus architectures where multiple devices need to share a common communication line.
4. Battery-powered devices: Its low-voltage operation makes it ideal for use in portable electronics.

Detailed and Complete Alternative Models

1. SN74LVC125A: Similar functionality with a different package (SOIC-14).
2. SN74LVTH16245ADGGR: 16-bit bus transceiver with 3-state outputs.
3. SN74LVC1G125DBVR: Single buffer/driver with 3-state output in SOT-23 package.

These alternative models offer similar features and can be used as replacements for the SN74LVTH125PWRE4 depending on specific requirements.

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