SN74LVC841APWR

Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics:
  • Low-voltage CMOS technology
  • 8-bit non-inverting translator
  • Wide voltage range: 1.65V to 5.5V
  • High-speed operation: up to 100 MHz
• Package: TSSOP-20
• Essence: Logic level translation between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units 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: 2.6 ns (typical)
• Output Drive Capability: ±24 mA
• ESD Protection: >2000V (Human Body Model)

Pin Configuration

The SN74LVC841APWR has a TSSOP-20 package with the following pin configuration:

___________ | | 1 |1 20| VCC 2 |2 19| A1 3 |3 18| B1 4 |4 17| A2 5 |5 16| B2 6 |6 15| A3 7 |7 14| B3 8 |8 13| A4 9 |9 12| B4 10 |GND 11| OE# |__________|

Functional Features

• Non-inverting translation: The SN74LVC841APWR provides bidirectional voltage level translation without inverting the input signal.
• Wide voltage range: It supports translation between voltage domains ranging from 1.65V to 5.5V, making it compatible with various logic families.
• High-speed operation: With a maximum frequency of 100 MHz, it enables fast data transfer between different voltage levels.

Advantages and Disadvantages

Advantages

• Wide voltage range compatibility
• High-speed operation
• Non-inverting translation

Disadvantages

• Limited output drive capability (±24 mA)
• Propagation delay may affect timing-sensitive applications

Working Principles

The SN74LVC841APWR utilizes low-voltage CMOS technology to perform logic level translation. It consists of eight bidirectional buffers that can translate signals between two voltage domains. The direction of translation is controlled by the Output Enable (OE#) pin. When OE# is high, the device is in the high-impedance state, allowing bidirectional communication between the two voltage domains.

Detailed Application Field Plans

The SN74LVC841APWR is commonly used in applications where logic level translation is required. Some typical application fields include:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Mixed-voltage systems: It facilitates data exchange between components with different voltage requirements, such as sensors, displays, and memory devices.
3. Battery-powered devices: It allows efficient translation between low-voltage battery power and higher voltage logic circuits.

Detailed and Complete Alternative Models

1. SN74LVC245APWR: 8-bit non-inverting translator with a wider supply voltage range (1.2V to 5.5V).
2. SN74LVC541APWR: 8-bit inverting translator with similar characteristics and package.

These alternative models provide similar functionality but may have different specifications or pin configurations. It is important to select the appropriate model based on specific application requirements.

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