規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74LVC |
| Part Status | Active |
| Type | Multiplexer |
| Circuit | 1 x 2:1 |
| Independent Circuits | 1 |
| Current - Output High Low | 32mA, 32mA |
| Voltage Supply Source | Single Supply |
| Voltage - Supply | 1.65V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
概述
Description
The SN74LVC2G157DCUR is a dual 2-input multiplexer from Texas Instruments, part of the LVC family known for low-voltage CMOS technology. It is designed to operate with a supply voltage range of 1.65 V to 5.5 V, making it suitable for a wide range of applications. The device features low power consumption and fast switching speeds, which are beneficial for high-performance operations. It has two independent multiplexers, each with its own set of data inputs, select input, and output, allowing for flexible data routing in digital circuits.
The SN74LVC2G157DCUR typically comes in a small, space-efficient package, such as the VSSOP (DCU) package, making it ideal for compact or densely packed electronic designs. It supports rail-to-rail signal switching and has a high noise immunity due to its Schmitt-trigger inputs. With these features, the SN74LVC2G157DCUR is commonly used in applications like data selectors, signal gating, and more in both consumer electronics and industrial equipment.
The SN74LVC2G157DCUR typically comes in a small, space-efficient package, such as the VSSOP (DCU) package, making it ideal for compact or densely packed electronic designs. It supports rail-to-rail signal switching and has a high noise immunity due to its Schmitt-trigger inputs. With these features, the SN74LVC2G157DCUR is commonly used in applications like data selectors, signal gating, and more in both consumer electronics and industrial equipment.
Equivalent
The SN74LVC2G157DCUR is a dual 2-to-1 multiplexer. Equivalent products include:
1. NXP 74LVC2G157
2. ON Semiconductor MC74VHC1G157
3. Fairchild FSA157
4. Toshiba TC7SZ157
These alternatives offer similar functionality, and specification characteristics, but be sure to check datasheets for pin compatibility and electrical characteristics for direct replacements.
1. NXP 74LVC2G157
2. ON Semiconductor MC74VHC1G157
3. Fairchild FSA157
4. Toshiba TC7SZ157
These alternatives offer similar functionality, and specification characteristics, but be sure to check datasheets for pin compatibility and electrical characteristics for direct replacements.
Features
The SN74LVC2G157DCUR is a dual 2-line to 1-line data selector/multiplexer. Key features include:
1. Low Voltage Operation: Operates with a supply voltage range from 1.65 V to 5.5 V.
2. High-Speed Performance: Capable of high-speed frequency operations.
3. Low Power Consumption: Features low static power consumption.
4. Input/Output Voltage Levels: 5-V tolerant inputs allow for interfacing with 5-V logic systems.
5. Output Drive Capability: Provides balanced output drive of ±24 mA at 3.3 V.
6. Control Inputs: Includes a select input to choose between data inputs.
7. Compact Package: Available in a small, space-saving VSSOP-8 (DCU) package.
8. Temperature Range: Functionality across a wide temperature range from -40°C to 125°C.
9. Latch-Up Performance: Good latch-up immunity, exceeding 100 mA per JESD 78, Class II.
10. ESD Protection: Provides high-level ESD protection, exceeding standard levels.
This multiplexer is suitable for applications requiring efficient data routing with minimal power consumption, especially in space-constrained designs.
1. Low Voltage Operation: Operates with a supply voltage range from 1.65 V to 5.5 V.
2. High-Speed Performance: Capable of high-speed frequency operations.
3. Low Power Consumption: Features low static power consumption.
4. Input/Output Voltage Levels: 5-V tolerant inputs allow for interfacing with 5-V logic systems.
5. Output Drive Capability: Provides balanced output drive of ±24 mA at 3.3 V.
6. Control Inputs: Includes a select input to choose between data inputs.
7. Compact Package: Available in a small, space-saving VSSOP-8 (DCU) package.
8. Temperature Range: Functionality across a wide temperature range from -40°C to 125°C.
9. Latch-Up Performance: Good latch-up immunity, exceeding 100 mA per JESD 78, Class II.
10. ESD Protection: Provides high-level ESD protection, exceeding standard levels.
This multiplexer is suitable for applications requiring efficient data routing with minimal power consumption, especially in space-constrained designs.
Pinout
The SN74LVC2G157DCUR is a dual 2-line to 1-line data selector/multiplexer. It comes in a compact package with 8 pins. Here’s a brief summary of its pin functions:
1. Pin 1 (1A) - First data input for the first multiplexer.
2. Pin 2 (1B) - Second data input for the first multiplexer.
3. Pin 3 (1Y) - Output for the first multiplexer.
4. Pin 4 (GND) - Ground connection.
5. Pin 5 (2Y) - Output for the second multiplexer.
6. Pin 6 (2B) - Second data input for the second multiplexer.
7. Pin 7 (2A) - First data input for the second multiplexer.
8. Pin 8 (VCC) - Positive supply voltage.
The device selects between two data inputs based on a common select line, sending the selected data to the output. It operates with a wide voltage range and supports high-speed data processing, making it suitable for various applications where space and performance are critical.
1. Pin 1 (1A) - First data input for the first multiplexer.
2. Pin 2 (1B) - Second data input for the first multiplexer.
3. Pin 3 (1Y) - Output for the first multiplexer.
4. Pin 4 (GND) - Ground connection.
5. Pin 5 (2Y) - Output for the second multiplexer.
6. Pin 6 (2B) - Second data input for the second multiplexer.
7. Pin 7 (2A) - First data input for the second multiplexer.
8. Pin 8 (VCC) - Positive supply voltage.
The device selects between two data inputs based on a common select line, sending the selected data to the output. It operates with a wide voltage range and supports high-speed data processing, making it suitable for various applications where space and performance are critical.
Manufacturer
The SN74LVC2G157DCUR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of integrated circuits and electronic components. TI is known for its innovation in the semiconductor industry, providing solutions for various applications including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company focuses on developing analog chips and embedded processors, which are critical for modern electronic devices. Texas Instruments is headquartered in Dallas, Texas, and has a significant presence worldwide, serving a diverse range of markets with its products.
Application
The SN74LVC2G157DCUR is a dual 2-line to 1-line data selector/multiplexer. It's commonly used in applications requiring a small package size and high-speed data routing, such as embedded systems, portable electronics, and consumer devices. It can facilitate data routing between multiple microcontroller units or peripheral devices. Additionally, it's suitable for applications needing low power consumption and high noise immunity, like battery-operated gadgets and communication systems. The device is often employed in digital signal processing, control systems, and multiplexing applications where reliable signal integrity is essential.
Package
The SN74LVC2G157DCUR is a dual 2-line to 1-line data selector/multiplexer IC from Texas Instruments. It comes in a small-outline transistor (SOT) package type, specifically the DSBGA (Die-Size Ball Grid Array) package with the designation DCU, which typically includes 8 pins.
