CY74FCT245CTSOCT

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics:
  • High-speed operation
  • Bidirectional data transfer
  • Voltage level shifting capability
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Transferring data between two 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
• Maximum Propagation Delay: 6ns
• Maximum Output Skew: 1.5ns
• Maximum Quiescent Current: 10μA

Detailed Pin Configuration

The CY74FCT245CTSOCT has a total of 20 pins, which are assigned as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | OE | Output Enable | | 2-9 | A1-A8 | Data Input/Output | | 10 | GND | Ground | | 11-18 | B1-B8 | Data Input/Output | | 19 | VCC | Power Supply | | 20 | DIR | Direction Control |

Functional Features

• Bidirectional data transfer between two voltage domains
• Automatic direction control based on the DIR pin
• Output enable/disable functionality for bus isolation
• High-speed operation suitable for various applications
• Compatible with TTL input/output levels

Advantages

• Allows interfacing between systems operating at different voltage levels
• Provides bidirectional data transfer capability
• Supports high-speed data transmission
• Offers automatic direction control for ease of use

Disadvantages

• Limited to a specific package type (SOIC)
• Requires careful consideration of voltage level compatibility

Working Principles

The CY74FCT245CTSOCT is designed to shift the voltage levels of data signals between two different domains. It operates bidirectionally, allowing data to be transferred from one domain to another and vice versa. The direction of data flow is controlled by the DIR pin. When the DIR pin is set to a logic high, data flows from pins A1-A8 to pins B1-B8, and when it is set to a logic low, the data flow is reversed.

The IC also features an output enable (OE) pin, which can be used to disable the outputs, effectively isolating the bus. This feature is useful when multiple devices are connected to the same bus, and only one device needs to drive the bus at a time.

Detailed Application Field Plans

The CY74FCT245CTSOCT is commonly used in various applications where there is a need to interface between systems operating at different voltage levels. Some typical application fields include: - Microcontroller interfacing with external peripherals - Communication interfaces between different logic families - Level shifting in mixed-voltage systems - Data transfer between different modules or boards

Detailed and Complete Alternative Models

• SN74LV245A: Low-Voltage Octal Bus Transceiver
• 74HCT245: Octal Bus Transceiver with 3-State Outputs
• CD74HC245: High-Speed CMOS Logic Octal Bus Transceiver

These alternative models offer similar functionality and can be considered as alternatives to the CY74FCT245CTSOCT based on specific requirements and availability.

In conclusion, the CY74FCT245CTSOCT is a versatile integrated circuit that enables bidirectional data transfer between different voltage domains. Its high-speed operation, automatic direction control, and output enable functionality make it suitable for a wide range of applications. However, designers should consider the package type and voltage level compatibility when selecting this IC.