SN74LVTH18504APMR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, voltage-level shifting
• Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Logic Voltage Levels: 1.8V to 3.3V
• Input/Output Compatibility: TTL, CMOS
• Number of Channels: 8 bidirectional channels
• Maximum Data Rate: 400 Mbps
• Propagation Delay: 2.5 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH18504APMR has a total of 48 pins, which are organized as follows:

• Pins 1-8: Channel A Data I/O
• Pins 9-16: Channel B Data I/O
• Pins 17-24: Channel C Data I/O
• Pins 25-32: Channel D Data I/O
• Pins 33-40: Channel E Data I/O
• Pins 41-48: Channel F Data I/O

Functional Features

• Bidirectional voltage-level translation between two logic families
• Supports voltage translation from 1.8V to 3.3V and vice versa
• Provides automatic direction control based on the voltage level applied to the VCCA and VCCB pins
• Allows direct interfacing between devices operating at different voltage levels
• Low power consumption and high-speed operation
• Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices with different voltage levels - High-speed operation allows for efficient data transfer - Low power consumption helps in reducing overall system power requirements - Schmitt-trigger inputs provide noise immunity, ensuring reliable signal translation

Disadvantages: - Limited to translating between specific voltage ranges (1.8V to 3.3V) - Not suitable for applications requiring translation between other voltage levels - May require additional components for level shifting beyond the specified range

Working Principles

The SN74LVTH18504APMR utilizes a combination of level-shifting circuitry and automatic direction control to enable bidirectional voltage-level translation. The device detects the voltage levels applied to the VCCA and VCCB pins and automatically adjusts the direction of data flow accordingly. When VCCA is at a higher voltage than VCCB, the device translates signals from VCCA to VCCB, and vice versa when VCCA is at a lower voltage. The Schmitt-trigger inputs ensure reliable translation by providing noise immunity.

Detailed Application Field Plans

The SN74LVTH18504APMR finds applications in various fields where voltage-level translation is required. Some of the common application areas include:

1. Microcontroller interfacing: Allows communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Facilitates integration of sensors with different voltage requirements into a single network.
3. Industrial automation: Enables communication between devices with varying logic voltage levels in industrial control systems.
4. Consumer electronics: Supports voltage translation between different components in smartphones, tablets, and other portable devices.
5. Automotive electronics: Used for voltage-level translation in automotive control modules and infotainment systems.

Detailed and Complete Alternative Models

1. TXS0108E: 8-channel bidirectional voltage-level translator with support for wider voltage ranges.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator with integrated level-shifting circuitry.
3. SN74LVC1T45: Single-bit dual-supply bus transceiver with configurable voltage-level translation.

These alternative models offer similar functionality to the SN74LVTH18504APMR but may have different specifications, package types, or additional features.

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