CY74FCT2257CTSOCT

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital multiplexer/demultiplexer
• Characteristics:
  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Multiple package options available
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The CY74FCT2257CTSOCT is a digital multiplexer/demultiplexer IC that allows for the selection of one of four data inputs to be routed to a single output line.
• Packaging/Quantity: Typically sold in reels or tubes containing multiple 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: 3.5ns (typical)
• Input Capacitance: 4pF (typical)
• Output Capacitance: 6pF (typical)

Detailed Pin Configuration

The CY74FCT2257CTSOCT has a total of 16 pins, which are assigned specific functions as follows:

1. A0: Data input 0
2. A1: Data input 1
3. A2: Data input 2
4. A3: Data input 3
5. G: Enable input (active low)
6. Y: Output
7. B: Select input
8. C: Select input
9. D: Select input
10. VCC: Positive supply voltage
11. GND: Ground
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• The CY74FCT2257CTSOCT is designed to operate as a 4:1 multiplexer or a 1:4 demultiplexer.
• It features a low-power Schottky TTL (LSTTL) compatible input and output interface.
• The device has an active-low enable input (G) that allows for the selection of data inputs when enabled.
• The select inputs (B, C, D) determine which data input is routed to the output.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data routing. - Low power consumption helps in reducing overall system power requirements. - Wide operating voltage range provides flexibility in various applications. - Multiple package options allow for easy integration into different circuit designs.

Disadvantages: - Limited number of data inputs and outputs compared to more complex multiplexer/demultiplexer ICs. - May require additional external components for certain applications.

Working Principles

The CY74FCT2257CTSOCT operates based on the principles of digital logic. When the enable input (G) is active low, the select inputs (B, C, D) determine which data input (A0-A3) is connected to the output (Y). The selected data input is then propagated to the output with minimal delay.

Detailed Application Field Plans

The CY74FCT2257CTSOCT can be used in various applications, including but not limited to: - Data routing and selection in digital systems - Multiplexing and demultiplexing signals in communication systems - Address decoding in memory systems - Input/output expansion in microcontroller-based systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the CY74FCT2257CTSOCT include: - SN74FCT2257T: Manufactured by Texas Instruments - MC74FCT2257: Manufactured by ON Semiconductor - CD74FCT2257: Manufactured by Texas Instruments

These alternative models have comparable specifications and pin configurations, making them suitable replacements for the CY74FCT2257CTSOCT in various applications.

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