CY74FCT543TSOCT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic level shifting between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V 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: 3.5ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The CY74FCT543TSOCT IC has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Output Enable Control Input
2. A0-A7 - Data Inputs (Side A)
3. B0-B7 - Data Inputs (Side B)
4. GND - Ground
5. B7-B0 - Data Outputs (Side B)
6. A7-A0 - Data Outputs (Side A)
7. VCC - Power Supply
8. DIR (Direction) - Direction Control Input

Functional Features

• Bidirectional logic level shifting between two voltage domains
• Non-inverting outputs
• Output enable control for disabling the outputs
• High-speed operation with low propagation delay
• Low power consumption
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Allows interfacing between devices operating at different voltage levels - Provides bidirectional data transfer capability - High-speed operation enables efficient data transmission - Low power consumption helps in reducing overall system energy usage - ESD protection ensures device reliability

Disadvantages: - Limited to specific voltage ranges (4.5V to 5.5V) - Requires careful consideration of input and output voltage levels to prevent damage

Working Principles

The CY74FCT543TSOCT is a logic level shifter that enables bidirectional data transfer between two voltage domains. It utilizes non-inverting outputs and provides an output enable control for disabling the outputs when required. The IC operates at high speed with low propagation delay, ensuring efficient data transmission. It also incorporates ESD protection on all inputs and outputs, enhancing device reliability.

Detailed Application Field Plans

The CY74FCT543TSOCT is commonly used in various applications where logic level shifting is required. Some of the typical application fields include:

1. Microcontroller interfacing with different voltage peripherals
2. Communication systems involving multiple voltage domains
3. Data acquisition systems with mixed voltage sensors
4. Industrial automation and control systems
5. Automotive electronics for signal conditioning

Detailed and Complete Alternative Models

1. SN74LVC8T245PW - Logic Level Shifter, TSSOP package
2. CD4504BE - Hex Voltage Level Shifter, DIP package
3. PCA9306DCUR - Bidirectional I2C Bus Voltage-Level Translator, SOT23 package
4. TXB0108PWR - 8-Bit Bidirectional Voltage-Level Translator, TSSOP package
5. MAX3373EEKA+T - Dual Bidirectional Level Translator, SOT23 package

These alternative models offer similar functionality and can be considered as alternatives to the CY74FCT543TSOCT based on specific requirements and design constraints.

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