CY74FCT543CTSOCT

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
• Logic Family: FCT
• Number of Channels: 8
• Input Voltage Levels: TTL/CMOS
• Output Voltage Levels: CMOS
• Maximum Operating Frequency: 100MHz
• Propagation Delay: 3.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CY74FCT543CTSOCT has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. A1 (Data Input) 1
3. B1 (Data Input) 1
4. GND (Ground)
5. B2 (Data Input) 2
6. A2 (Data Input) 2
7. OE (Output Enable) 2
8. Y1 (Data Output) 1
9. Y2 (Data Output) 2
10. VCC (Power Supply)
11. Y3 (Data Output) 3
12. Y4 (Data Output) 4
13. OE (Output Enable) 3
14. A3 (Data Input) 3
15. B3 (Data Input) 3
16. GND (Ground)
17. B4 (Data Input) 4
18. A4 (Data Input) 4
19. OE (Output Enable) 4
20. Y5 (Data Output) 5

Functional Features

• Logic level shifting between different voltage domains
• Bidirectional data transfer capability
• High-speed operation with low propagation delay
• Output enable control for each channel
• TTL/CMOS compatible input levels
• CMOS output levels for improved noise immunity

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer.
• Low-power consumption helps in reducing overall system energy usage.
• Bidirectional capability simplifies the design of systems with mixed voltage domains.
• Output enable control provides flexibility in managing data flow.
• Compatibility with both TTL and CMOS input levels ensures versatility.

Disadvantages

• Limited to a maximum operating frequency of 100MHz, which may not be suitable for high-speed applications requiring faster data rates.
• The package size (SOIC) may not be ideal for space-constrained designs.

Working Principles

The CY74FCT543CTSOCT is designed to shift logic levels between different voltage domains. It operates by receiving data inputs from one voltage domain and converting them to the appropriate levels for another voltage domain. The bidirectional capability allows for data transfer in both directions.

The device utilizes an output enable control for each channel, enabling or disabling the data output as required. This feature provides flexibility in managing data flow within the system.

The CY74FCT543CTSOCT is compatible with both TTL and CMOS input levels, ensuring seamless integration into various digital systems. The CMOS output levels provide improved noise immunity, enhancing the reliability of data transmission.

Detailed Application Field Plans

The CY74FCT543CTSOCT can be used in a wide range of applications, including:

1. Microcontroller interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
2. Data communication systems: It enables level shifting between different data buses or interfaces.
3. Industrial automation: It can be used in control systems where multiple voltage domains are present.
4. Automotive electronics: It assists in connecting various components operating at different voltage levels, such as sensors and microcontrollers.
5. Consumer electronics: It finds applications in devices that require logic level translation, such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. SN74LVC8T245PW: 8-bit Logic Level Shifter with 3-state Outputs
2. CD4504BE: Hex Voltage Level Shifter for TTL-to-CMOS Conversion
3. PCA9306DCUR: Dual Bidirectional I2C Bus and SMBus Voltage-Level Translator
4. TXB0108PWR: 8-Bit Bidirectional Voltage-Level Translator with Automatic Direction Sensing

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

In conclusion, the CY74FCT543CTSOCT is a high-speed logic level shifter designed for efficient data transfer between different voltage domains. Its bidirectional capability, output enable control, and