CY74FCT2543TQCTE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics:
  • High-speed operation
  • Low power consumption
  • Wide voltage range compatibility
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level translation between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range (A Port): 0V to VCC_A
• Input Voltage Range (B Port): 0V to VCC_B
• Output Voltage Range (A Port): 0V to VCC_A
• Output Voltage Range (B Port): 0V to VCC_B
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 3.5ns (typical)

Detailed Pin Configuration

The CY74FCT2543TQCTE4 has a total of 20 pins arranged as follows:

1. OE (Output Enable) - Active LOW output enable pin
2. A0-A7 (A Port Inputs) - Logic level input pins for the A port
3. B0-B7 (B Port Inputs) - Logic level input pins for the B port
4. VCC_A (A Port Power Supply) - Power supply pin for the A port
5. GND (Ground) - Ground reference pin
6. VCC_B (B Port Power Supply) - Power supply pin for the B port
7. Y0-Y7 (A Port Outputs) - Logic level output pins for the A port
8. Z0-Z7 (B Port Outputs) - Logic level output pins for the B port

Functional Features

• Bidirectional voltage level translation between two different voltage domains
• Non-inverting translation with 3-state outputs
• Supports mixed-mode signal operation on the A and B ports
• Allows interfacing between systems with different voltage levels

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low power consumption for energy-efficient applications - Wide voltage range compatibility allows for versatile usage scenarios

Disadvantages: - Limited number of input/output pins (8 each) - Requires careful consideration of voltage compatibility to avoid damage

Working Principles

The CY74FCT2543TQCTE4 is a logic level translator that facilitates communication between two systems operating at different voltage levels. It uses non-inverting buffers to achieve bidirectional voltage translation. The OE pin controls the output enable function, allowing the device to be placed in a high-impedance state when not in use.

When an input signal is applied to either the A or B port, the device translates the logic level to the corresponding voltage domain and provides the translated output on the respective port. The device operates within the specified supply voltage range and ensures reliable signal transmission between the two voltage domains.

Detailed Application Field Plans

The CY74FCT2543TQCTE4 finds applications in various fields where logic level translation is required. Some potential application areas include:

1. Microcontroller Interfacing: Facilitating communication between microcontrollers operating at different voltage levels.
2. Sensor Networks: Enabling connectivity between sensors with varying voltage requirements.
3. Industrial Automation: Bridging the gap between control systems operating at different voltage domains.
4. Communication Systems: Supporting voltage level translation in communication protocols such as UART, SPI, and I2C.

Detailed and Complete Alternative Models

1. SN74LVC4245A: Octal Bus Transceiver with 3-State Outputs
2. TXB0108: 8-Bit Bidirectional Voltage-Level Translator with Automatic Direction Sensing

These alternative models offer similar functionality and can be considered as alternatives to the CY74FCT2543TQCTE4, depending on specific requirements and design constraints.

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