CY74FCT821BTSOCE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics:
  • High-speed operation
  • Low power consumption
  • Wide voltage range compatibility
• Package: TSOC-20
• 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
• Maximum Propagation Delay: 3.5ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CY74FCT821BTSOCE4 has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) A
2. A0 (Input) A
3. A1 (Input) A
4. A2 (Input) A
5. A3 (Input) A
6. GND (Ground)
7. B0 (Input) B
8. B1 (Input) B
9. B2 (Input) B
10. B3 (Input) B
11. VCC_B (Power Supply) B
12. OE (Output Enable) B
13. Y0 (Output) A
14. Y1 (Output) A
15. Y2 (Output) A
16. Y3 (Output) A
17. VCC_A (Power Supply) A
18. Y0 (Output) B
19. Y1 (Output) B
20. Y2 (Output) B

Functional Features

• Logic level translation between two voltage domains
• Bidirectional translation capability
• Non-inverting outputs
• Output enable control for each port

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer
• Low power consumption helps in reducing overall system power requirements
• Wide voltage range compatibility enables interfacing with different logic families

Disadvantages

• Limited number of input/output channels
• Not suitable for applications requiring high current drive capabilities

Working Principles

The CY74FCT821BTSOCE4 is a logic level translator that facilitates communication between devices operating at different voltage levels. It uses a combination of CMOS and BiCMOS technologies to achieve high-speed operation while maintaining low power consumption.

The device consists of two ports, A and B, which are used for input and output signals. The voltage levels of these ports can be independently controlled using the VCCA and VCCB power supplies. The OE pins allow for enabling or disabling the outputs of each port.

When an input signal is applied to one port, the CY74FCT821BTSOCE4 translates the voltage level to the corresponding level on the other port. This bidirectional translation capability makes it suitable for applications where data needs to be exchanged between devices operating at different voltage domains.

Detailed Application Field Plans

The CY74FCT821BTSOCE4 can be used in various applications that require logic level translation. Some of the potential application fields include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, allowing seamless communication between them.
2. Sensor networks: In sensor networks, different sensors may operate at different voltage levels. The CY74FCT821BTSOCE4 can be used to translate the sensor signals to a common voltage level for processing.
3. Communication systems: The IC can be employed in communication systems to interface different modules or devices operating at different voltage domains, ensuring proper signal compatibility.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Logic Level Translator, SOT-23 package, 1-channel, 2V to 5.5V supply voltage range.
2. PCA9306DCUR: Bidirectional I2C-Bus and SMBus Voltage-Level Translator, US8 package, 2-channel, 1.2V to 5.5V supply voltage range.
3. TXS0102DCTR: Dual-Bit Bidirectional Voltage-Level Translator, VSSOP-8 package, 2-channel, 1.2V to 3.6V supply voltage range.

These alternative models offer similar functionality and can be considered as alternatives to the CY74FCT821BTSOCE4 based on specific application requirements.

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