74LVC8T245BQ,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Voltage Translator
• Characteristics: Bi-directional voltage translation between different logic levels
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Transceiver IC for bidirectional level shifting
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Logic Voltage Levels: 1.2V to 5.5V
• Input/Output Compatibility: TTL, CMOS
• Number of Channels: 8
• Output Drive Capability: ±24mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 74LVC8T245BQ,118 has a total of 20 pins. The pin configuration is as follows:

___________ OE |1 20| VCC A1 |2 19| B1 A2 |3 18| B2 A3 |4 17| B3 A4 |5 16| B4 A5 |6 15| B5 A6 |7 14| B6 A7 |8 13| B7 GND |9 12| B8 DIR |10 11| OE# ‾‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• Bidirectional voltage translation between two logic levels
• Automatic direction control based on DIR input
• Output enable control for disabling the outputs
• Low power consumption
• High-speed operation
• Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages: - Bi-directional level shifting capability simplifies interfacing between different logic families - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient data transfer - Schmitt-trigger inputs provide improved noise immunity

Disadvantages: - Limited number of channels (8) - TSSOP package may require careful handling during assembly

Working Principles

The 74LVC8T245BQ,118 is a bidirectional level shifter that allows voltage translation between two logic levels. It features automatic direction control based on the DIR input signal. When DIR is high, the A-side is connected to the B-side, allowing data transmission from A to B. Conversely, when DIR is low, the B-side is connected to the A-side, enabling data transmission from B to A.

The output enable (OE) input can be used to disable the outputs, putting them in a high-impedance state. This feature is useful when multiple devices are connected together and only one device needs to drive the bus at a time.

The IC operates within a wide supply voltage range, making it compatible with various systems. It also offers high-speed operation and incorporates Schmitt-trigger inputs for improved noise immunity.

Detailed Application Field Plans

The 74LVC8T245BQ,118 is commonly used in applications where there is a need to interface between different logic families or voltage levels. Some typical application fields include: - Microcontroller interfacing - Communication systems - Data acquisition systems - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

• SN74LVC8T245PW,118
• MC74LVC8T245DG,118
• 74LVC8T245D,118
• CD74LVC8T245PW,118

These alternative models offer similar functionality and can be used as replacements for the 74LVC8T245BQ,118 in various applications.

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