CY74FCT646ATSOCTE4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Data Bus Transceiver
• Characteristics:
  • High-speed operation
  • Low power consumption
  • Wide voltage range
  • ESD protection
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Bidirectional octal transceiver with 3-state outputs
• Packaging/Quantity: Available in reels of 2500 units

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 Time: 6ns (max)
• Output Current: ±24mA
• Input Capacitance: 4pF (typ)

Detailed Pin Configuration

1. OE (Output Enable) - Active low output enable input
2. A0-A7 (Data Inputs/Outputs) - Bidirectional data bus lines
3. B0-B7 (Data Inputs/Outputs) - Bidirectional data bus lines
4. DIR (Direction Control) - Direction control input
5. GND (Ground) - Ground reference
6. VCC (Supply Voltage) - Positive supply voltage
7. NC (No Connection) - No connection
8. Q0-Q7 (Data Outputs) - 3-state bidirectional data bus outputs

Functional Features

• Bidirectional data transfer between two buses
• 3-state outputs for bus isolation
• Direction control for selecting data flow direction
• High-speed operation for efficient data transmission
• ESD protection for enhanced reliability
• Low power consumption for energy efficiency

Advantages and Disadvantages

Advantages

• High-speed operation allows for fast data transfer
• Wide voltage range enables compatibility with various systems
• ESD protection ensures reliability in harsh environments
• Low power consumption reduces energy usage

Disadvantages

• Limited to octal (8-bit) data bus transceiver functionality
• Not suitable for applications requiring larger data bus widths

Working Principles

The CY74FCT646ATSOCTE4 is a bidirectional octal transceiver that facilitates data transfer between two buses. The direction control input (DIR) determines the flow of data, while the output enable input (OE) enables or disables the outputs. The 3-state outputs allow for bus isolation when disabled. The IC operates at high speeds and consumes low power, making it suitable for various data bus applications.

Detailed Application Field Plans

The CY74FCT646ATSOCTE4 can be used in a wide range of applications, including: 1. Microprocessor-based systems 2. Data communication systems 3. Industrial automation 4. Automotive electronics 5. Networking equipment 6. Test and measurement instruments

Detailed and Complete Alternative Models

1. SN74FCT646T - Octal bus transceiver with 3-state outputs
2. MC74FCT646A - Octal bidirectional transceiver with 3-state outputs
3. CD74FCT646M - Octal transceiver with 3-state outputs

These alternative models offer similar functionality and can be considered as replacements for the CY74FCT646ATSOCTE4.

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