CD74ACT157PWR

Overview

• Category: Integrated Circuit (IC)
• Use: Data Selector/Multiplexer
• Characteristics: High-speed, low-power, 4-channel multiplexer
• Package: TSSOP-16
• Essence: CD74ACT157PWR is a versatile IC that allows the selection of one out of four data inputs to be routed to a single output.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 2V to 6V
• Logic Family: ACT
• Number of Channels: 4
• Input Compatibility: TTL/CMOS
• Output Compatibility: CMOS
• Propagation Delay: 5.5 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The CD74ACT157PWR has a total of 16 pins arranged as follows:

__ __ A1 |1 \__/ 16| VCC B1 |2 15| Y A2 |3 14| B B2 |4 13| C A3 |5 CD 12| D B3 |6 74 11| GND A4 |7 ACT 10| Strobe B4 |8 9| Enable ----------

Functional Features

• Data Selection: The CD74ACT157PWR allows the user to select one of the four input channels using the strobe and enable pins.
• High-Speed Operation: With a propagation delay of only 5.5 ns, this IC ensures fast data selection and minimal latency.
• Low Power Consumption: The ACT logic family used in this IC offers low power consumption, making it suitable for battery-powered devices.
• Wide Supply Voltage Range: The CD74ACT157PWR can operate within a supply voltage range of 2V to 6V, providing flexibility in various applications.

Advantages and Disadvantages

Advantages

• Versatile data selection capabilities
• High-speed operation
• Low power consumption
• Wide supply voltage range

Disadvantages

• Limited to 4 input channels
• Requires external control signals for proper operation

Working Principles

The CD74ACT157PWR is a multiplexer that selects one of the four input channels based on the control signals provided. The strobe and enable pins are used to control the selection process. When the enable pin is high, the selected input is routed to the output pin (Y). The ACT logic family ensures fast and reliable operation while consuming minimal power.

Detailed Application Field Plans

The CD74ACT157PWR finds applications in various fields where data selection is required. Some potential application areas include:

1. Digital Communication Systems: Used for channel selection in multiplexed data transmission systems.
2. Data Acquisition Systems: Enables the selection of specific sensor inputs for data processing.
3. Industrial Automation: Allows the selection of different control signals for various actuators or sensors.
4. Audio/Video Switching: Used in audio/video equipment to select between multiple input sources.

Detailed and Complete Alternative Models

1. SN74ACT157: Similar functionality with slightly different pin configuration.
2. CD74HC157: Higher speed variant with TTL-compatible inputs.
3. CD74HCT157: Higher speed variant with TTL-compatible inputs and increased operating temperature range.

These alternative models offer similar functionality to the CD74ACT157PWR but may have differences in terms of speed, compatibility, or temperature range.

In conclusion, the CD74ACT157PWR is a versatile IC that provides efficient data selection capabilities. With its high-speed operation, low power consumption, and wide supply voltage range, it is suitable for various applications in digital communication, data acquisition, industrial automation, and audio/video switching.