Overview
The 74LVC157APW-Q100118 is a quad 2-input multiplexer produced by NXP USA Inc. This integrated circuit is part of the LVC (Low Voltage CMOS) family and is designed to handle logic switching in a variety of applications. The device features select (S) and enable (E) inputs, allowing for the selection of data sources and control over output states. It is particularly useful in mixed 3.3 V and 5 V environments due to its input voltage tolerance and compatibility with TTL levels.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74LVC157APW | 1.2 - 3.6 | CMOS/LVTTL | ± 24 | 2.5 | Low | -40 to +125 | 126 | 4.9 | 56.4 | TSSOP16 |
Key Features
- Select and Enable Inputs: The device features select (S) and enable (E) inputs, allowing for the selection of data sources and control over output states.
- Input Voltage Tolerance: Inputs can be driven from either 3.3 V or 5 V devices, making it suitable for mixed voltage applications.
- Schmitt-trigger Action: Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times.
- Overvoltage Tolerant Inputs: Inputs are tolerant up to 5.5 V.
- Low Power Consumption: CMOS technology ensures low power consumption.
- ESD Protection: High ESD protection levels, exceeding 2000 V for HBM and 1000 V for CDM.
- Wide Supply Voltage Range: Operates from 1.2 V to 3.6 V.
Applications
The 74LVC157APW-Q100118 is versatile and can be used in a variety of applications, including:
- Mixed Voltage Systems: Ideal for systems that require interfacing between 3.3 V and 5 V logic levels.
- Logic Switching and Multiplexing: Suitable for applications requiring the selection and switching of data sources.
- Low Power Designs: Useful in designs where low power consumption is critical.
- Industrial and Automotive Systems: Operates over a wide temperature range (-40 °C to +125 °C), making it suitable for industrial and automotive applications.
Q & A
- What is the primary function of the 74LVC157APW-Q100118?
The primary function is to act as a quad 2-input multiplexer, allowing the selection and switching of data sources based on select and enable inputs. - What is the voltage range for the VCC supply?
The VCC supply voltage range is from 1.2 V to 3.6 V. - Can the inputs be driven from both 3.3 V and 5 V devices?
Yes, the inputs can be driven from either 3.3 V or 5 V devices, making it suitable for mixed voltage applications. - What is the output drive capability of the device?
The output drive capability is ± 24 mA. - What is the typical propagation delay (tpd) of the device?
The typical propagation delay is 2.5 ns. - Does the device have ESD protection?
Yes, the device has high ESD protection levels, exceeding 2000 V for HBM and 1000 V for CDM. - What is the operating temperature range of the device?
The operating temperature range is from -40 °C to +125 °C. - What package type is the 74LVC157APW-Q100118 available in?
The device is available in a TSSOP16 package. - Is the device RoHS compliant?
Yes, the device is RoHS compliant. - What logic switching levels does the device support?
The device supports CMOS/LVTTL logic switching levels).
