CY74FCT157ATQCT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital multiplexer
• Characteristics: High-speed, low-power consumption
• Package: TQFP (Thin Quad Flat Package)
• Essence: 4-bit multiplexer
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Logic Family: FCT
• Number of Inputs: 4
• Number of Outputs: 1
• 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)
• Power Dissipation: 25mW (typical)

Detailed Pin Configuration

The CY74FCT157ATQCT has a total of 16 pins, which are assigned as follows:

1. A0: Input A0
2. A1: Input A1
3. A2: Input A2
4. A3: Input A3
5. G: Enable input
6. Y: Output Y
7. B: Input B
8. C: Input C
9. D: Input D
10. VCC: Positive power supply
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 CY74FCT157ATQCT is a 4-bit multiplexer that allows the selection of one out of four data inputs (A, B, C, or D) to be routed to the output (Y) based on the control inputs (A0, A1, A2, and A3). It operates at high speed with low power consumption, making it suitable for various digital applications.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-power consumption - Wide operating temperature range - Compact TQFP package

Disadvantages: - Limited number of inputs and outputs - Not suitable for analog applications

Working Principles

The CY74FCT157ATQCT utilizes a combination of logic gates to implement the multiplexing functionality. The control inputs determine which data input is selected and routed to the output. The internal circuitry ensures fast switching times and efficient power usage.

Detailed Application Field Plans

The CY74FCT157ATQCT can be used in various digital systems that require data selection, such as: - Multiplexing multiple data sources into a single output - Address decoding in microcontrollers or memory systems - Data routing in communication systems - Input selection in digital signal processing applications

Detailed and Complete Alternative Models

• SN74FCT157ATQCT
• MC74FCT157ATQCT
• CD74FCT157ATQCT
• 74FCT157ATQCT

These alternative models offer similar functionality and specifications to the CY74FCT157ATQCT and can be used as drop-in replacements in most applications.

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