TC74LCX157FTELM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital multiplexer
• Characteristics: Low-voltage, high-speed, 2-input multiplexer
• Package: TSSOP-16
• Essence: Logic gate with multiple inputs and a single output
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: 1.65V to 3.6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 2.5ns (typical)
• Input Capacitance: 3pF (typical)
• Output Capacitance: 4pF (typical)

Detailed Pin Configuration

The TC74LCX157FTELM has a total of 16 pins, which are assigned specific functions as follows:

1. A0: Input A0
2. B0: Input B0
3. Y: Output Y
4. G1: Enable input G1
5. G2: Enable input G2
6. A1: Input A1
7. B1: Input B1
8. VCC: Positive power supply
9. A2: Input A2
10. B2: Input B2
11. GND: Ground
12. B3: Input B3
13. A3: Input A3
14. G3: Enable input G3
15. B3: Input B3
16. A3: Input A3

Functional Features

The TC74LCX157FTELM is a digital multiplexer that allows the selection of one of four data inputs (A0-A3, B0-B3) to be routed to the output Y based on the control inputs (G1, G2, G3). It operates at low voltage levels and provides high-speed performance. The device is designed to minimize power consumption while maintaining excellent noise immunity.

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for compatibility with various systems - High-speed performance enables efficient data processing - Low power consumption for energy-efficient applications - Excellent noise immunity ensures reliable operation in noisy environments

Disadvantages: - Limited number of input channels (4) - Restricted output options (single output)

Working Principles

The TC74LCX157FTELM utilizes a combination of logic gates to implement the multiplexing functionality. The control inputs (G1, G2, G3) determine which data inputs (A0-A3, B0-B3) are selected and routed to the output Y. The internal circuitry ensures that only one input is active at a time, based on the control signals. This allows for efficient data selection and routing within digital systems.

Detailed Application Field Plans

The TC74LCX157FTELM can be used in various applications that require data multiplexing, such as:

1. Data communication systems: Multiplexing different data streams onto a single transmission line.
2. Digital signal processing: Selecting specific data inputs for processing or analysis.
3. Memory systems: Address decoding and data selection in memory modules.
4. Control systems: Switching between multiple control signals based on specific conditions.

Detailed and Complete Alternative Models

1. SN74LVC157A: Similar 2-input multiplexer IC with comparable specifications.
2. CD74HC157E: 4-input multiplexer IC with higher voltage tolerance.
3. MC74VHC157DTR2G: Low-power 2-input multiplexer IC with extended temperature range.

These alternative models offer similar functionality and can be considered as substitutes for the TC74LCX157FTELM based on specific application requirements.

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