SN74LVTH646PWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to provide level shifting and bus transceiver functionality in various electronic systems.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Logic Family: LVTH
• Number of Channels: 8-bit
• Input/Output Compatibility: TTL/CMOS
• Output Drive Capability: ±12mA
• Propagation Delay: 4.1ns (Max)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SN74LVTH646PWR has a total of 24 pins. The pin configuration is as follows:

___________ | | 1 | 24 | VCC 2 | 23 | OE# 3 | 22 | A1 4 | 21 | A2 5 | 20 | A3 6 | 19 | A4 7 | 18 | A5 8 | 17 | A6 9 | 16 | A7 10 | 15 | GND 11 | 14 | B7 12 | 13 | B6 |___________|

Functional Features

• Bidirectional level shifting between two voltage domains.
• 3-state outputs allow multiple devices to share a common bus.
• Supports both TTL and CMOS input/output compatibility.
• High-speed operation with minimal propagation delay.

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Low-voltage operation reduces power consumption.
• 3-state outputs enable efficient bus sharing.
• High-speed performance enhances system responsiveness.

Disadvantages

• Limited number of channels (8-bit).
• Propagation delay may affect timing-sensitive applications.
• TSSOP package may require careful handling during assembly.

Working Principles

The SN74LVTH646PWR operates by receiving input signals from one voltage domain and translating them to the appropriate levels for another voltage domain. It utilizes level shifting circuitry to ensure compatibility between different logic families. The 3-state outputs enable the IC to be connected to a shared bus, allowing multiple devices to communicate effectively.

Detailed Application Field Plans

The SN74LVTH646PWR finds applications in various electronic systems, including:

1. Communication Systems: Used for level shifting and bus transceiver functions in data communication interfaces.
2. Industrial Automation: Enables interfacing between different voltage domains in control systems.
3. Automotive Electronics: Facilitates communication between microcontrollers operating at different voltage levels.
4. Consumer Electronics: Provides level shifting capabilities in devices such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. SN74LVC646APW - Similar functionality with a different logic family (LVC).
2. SN74HCT646N - Higher voltage tolerance with compatibility for HCT logic family.
3. SN74LVTH16245ADGGR - 16-bit bidirectional level shifter with 3-state outputs.

These alternative models offer similar features and can be considered based on specific application requirements.

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