Спецификации
| Атрибут | Ценность |
| Brand | Nexperia |
| ProductType | Encoders, Decoders, Multiplexers & Demultiplexers |
| Subcategory | Logic ICs |
| LogicFamily | LVC |
| Product | Decoders, Encoders, Multiplexers & Demultiplexers |
| FactoryPackQuantity:FactoryPackQuantity | 50 |
| Part#Aliases | 74LVC157AD,112 |
| DeliveryRestrictions | Mouser does not presently sell this product in your region. |
| NumberofInputLines | 8 Input |
| NumberofOutputLines | 4 Output |
| Package/Case | SOIC-16 |
| PropagationDelayTime | 16 ns at 1.2 V, 3 ns at 2.7 V, 2.6 ns at 3.3 V |
| SupplyVoltage-Min | 1.2 V |
| SupplyVoltage-Max | 3.6 V |
| MountingStyle | SMD/SMT |
| MinimumOperatingTemperature | - 40 C |
| MaximumOperatingTemperature | + 125 C |
| Function | Multiplexer |
| Height | 1.45 mm |
| HighLevelOutputCurrent | - 24 mA |
| Length | 10 mm |
| LogicType | CMOS |
| LowLevelOutputCurrent | 24 mA |
| OperatingSupplyVoltage | 1.8 V, 2.5 V, 3.3 V |
| QuiescentCurrent | 100 nA |
| SupplyCurrent-Max | 100 nA |
| Technology | CMOS |
| Width | 4 mm |
| UnitWeight | 250 mg |
Обзор
Description
The 74LVC157AD is a quad 2-input multiplexer, part of the 74LVC family of logic devices, known for low-voltage operation and high-speed performance. It features four independent multiplexers, each capable of selecting one of two inputs to drive a single output. The device operates from a supply voltage range of 1.65V to 5.5V, making it suitable for both low and standard logic levels.
Key features include low power consumption, high noise immunity, and fast switching times. It is designed to interface with both LVC and standard TTL logic families, making it versatile for various digital applications. The 74LVC157AD is often used in data routing, control signal selection, and other logic operations within electronic circuits.
The device comes in multiple package types, such as TSSOP and SOIC, facilitating integration into different designs. Its robust performance and adaptability make it a popular choice in consumer electronics, automotive applications, and telecommunications.
Key features include low power consumption, high noise immunity, and fast switching times. It is designed to interface with both LVC and standard TTL logic families, making it versatile for various digital applications. The 74LVC157AD is often used in data routing, control signal selection, and other logic operations within electronic circuits.
The device comes in multiple package types, such as TSSOP and SOIC, facilitating integration into different designs. Its robust performance and adaptability make it a popular choice in consumer electronics, automotive applications, and telecommunications.
Equivalent
The equivalent products of the 74LVC157AD chip include the following:
1. 74HC157
2. 74AC157
3. 74LVC2G157
4. 74LVX157
5. 74LVC1G157
These alternatives may vary in terms of voltage levels and specific features, so it’s important to check the datasheets for compatibility in your application.
1. 74HC157
2. 74AC157
3. 74LVC2G157
4. 74LVX157
5. 74LVC1G157
These alternatives may vary in terms of voltage levels and specific features, so it’s important to check the datasheets for compatibility in your application.
Features
The 74LVC157AD is a quad 2-input multiplexer designed for low-voltage CMOS applications. Key features include:
1. Dual 2-Input Multiplexers: Contains four independent 2-input multiplexers.
2. Wide Voltage Range: Operates over a supply voltage range of 2.0V to 5.5V.
3. High-speed Operation: Supports fast switching with propagation delays typically around 4.5ns at 3.3V.
4. Low Power Consumption: Designed for low static and dynamic power consumption.
5. TTL Compatible: Outputs are compatible with TTL logic levels.
6. High Noise Immunity: Features a high noise margin for reliable operation.
7. Low Output Drive: Capable of driving up to 20mA at a high output, suitable for interfacing with other logic families.
8. Pin and Function Compatible: Compatible with other multiplexer ICs, aiding in design flexibility.
9. Wide Operating Temperature: Suitable for applications from -40°C to +125°C.
Overall, the 74LVC157AD is ideal for various digital logic applications requiring multiplexing capabilities in low-voltage environments.
1. Dual 2-Input Multiplexers: Contains four independent 2-input multiplexers.
2. Wide Voltage Range: Operates over a supply voltage range of 2.0V to 5.5V.
3. High-speed Operation: Supports fast switching with propagation delays typically around 4.5ns at 3.3V.
4. Low Power Consumption: Designed for low static and dynamic power consumption.
5. TTL Compatible: Outputs are compatible with TTL logic levels.
6. High Noise Immunity: Features a high noise margin for reliable operation.
7. Low Output Drive: Capable of driving up to 20mA at a high output, suitable for interfacing with other logic families.
8. Pin and Function Compatible: Compatible with other multiplexer ICs, aiding in design flexibility.
9. Wide Operating Temperature: Suitable for applications from -40°C to +125°C.
Overall, the 74LVC157AD is ideal for various digital logic applications requiring multiplexing capabilities in low-voltage environments.
Pinout
The 74LVC157AD is a quad 2-input multiplexer with a total of 16 pins. Its primary function is to select one of two inputs for each of the four multiplexers, based on a 2-bit select input. Here are the pin functions:
1. Pins 1-4 (A0, A1, B0, B1): Data inputs for the first multiplexer.
2. Pins 5-8 (Y0, Y1, Y2, Y3): Outputs of the multiplexers.
3. Pins 9-10 (S0, S1): Select inputs; used to choose which input (A or B) to route to the output.
4. Pin 11 (GND): Ground connection.
5. Pin 12 (VCC): Power supply connection (typically +3.3V).
6. Pin 13 (E): Enable input; when high, the device is enabled, allowing it to function.
7. Pins 14-16 (B2, B3, A2, A3): Additional data inputs for the second multiplexer.
The 74LVC157AD is commonly used in digital circuits to route signals based on control logic.
1. Pins 1-4 (A0, A1, B0, B1): Data inputs for the first multiplexer.
2. Pins 5-8 (Y0, Y1, Y2, Y3): Outputs of the multiplexers.
3. Pins 9-10 (S0, S1): Select inputs; used to choose which input (A or B) to route to the output.
4. Pin 11 (GND): Ground connection.
5. Pin 12 (VCC): Power supply connection (typically +3.3V).
6. Pin 13 (E): Enable input; when high, the device is enabled, allowing it to function.
7. Pins 14-16 (B2, B3, A2, A3): Additional data inputs for the second multiplexer.
The 74LVC157AD is commonly used in digital circuits to route signals based on control logic.
Manufacturer
The manufacturer of the 74LVC157AD is Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing analog and embedded processing chips. Founded in 1930 and headquartered in Dallas, Texas, TI serves a diverse range of markets, including automotive, industrial, communications, and consumer electronics. The company is recognized for its innovation in signal processing and digital signal controllers, among other technologies. TI's product portfolio includes microcontrollers, microprocessors, and various types of integrated circuits, such as the 74LVC series, which are used in digital logic applications. TI emphasizes research and development, continually advancing semiconductor technology to meet the evolving needs of its customers worldwide.
Application
The 74LVC157AD is a quad 2-input multiplexer used in various applications, including digital signal routing, data selection, and logic function implementation. Common areas include:
1. Data Communication: For selecting between multiple data sources.
2. Consumer Electronics: In TVs and audio devices for channel selection.
3. Computers: For data path switching in CPUs and peripheral interfaces.
4. Automotive: In control systems for sensor data management.
5. Industrial Automation: For process control and signal multiplexing.
Its low voltage and high-speed capabilities make it suitable for modern digital circuits and systems.
1. Data Communication: For selecting between multiple data sources.
2. Consumer Electronics: In TVs and audio devices for channel selection.
3. Computers: For data path switching in CPUs and peripheral interfaces.
4. Automotive: In control systems for sensor data management.
5. Industrial Automation: For process control and signal multiplexing.
Its low voltage and high-speed capabilities make it suitable for modern digital circuits and systems.
Package
The 74LVC157AD is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package) form factor. This package type is designed for compact applications, providing a low-profile and space-efficient solution for integrated circuits.
