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Product Detailed Parameters
- Description：IC MULTIPLEXER 4 X 2:1 16SOIC
- Series：74LVC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Multiplexer
- Circuit：4 x 2:1
- Independent Circuits：1
- Current - Output High, Low：24mA, 24mA
- Voltage Supply Source：Single Supply
- Voltage - Supply：2V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The SN74LVC157ADR is a quadruple 2-line to 1-line data selector/multiplexer from Texas Instruments, housed in a 16-pin SOIC package. It operates within a supply voltage range of 1.65V to 3.6V and supports an operating temperature range of -40°C to 125°C. The device features a maximum propagation delay of 5.2ns at 3.3V and includes inputs that accept voltages up to 5.5V. It provides ESD protection exceeding 2000V via the human-body model and latch-up performance exceeding 250mA per JESD 17.
Feature Summary
- Operates from 1.65V to 3.6V
- Inputs accept voltages to 5.5V
- Max tpd of 5.2ns at 3.3V
- Typical VOLP (output ground bounce) 2V at VCC = 3.3V, TA = 25°C
Applications
- Mixed 3.3V/5V system environments
- Data routing applications
- Signal selection circuits
Procurement Notes
Verify the specific ordering suffix 'ADR' corresponds to the 16-pin SOIC package with tape-and-reel carrier configuration. Confirm the component status as active production and ensure compliance with RoHS standards and lead finish specifications for your assembly process. Check moisture sensitivity level ratings before soldering.
Selection Notes
Select this component when a low-voltage multiplexer with high-speed switching capabilities is required. Ensure the design accommodates the specified input voltage tolerance for interfacing with 5V logic sources. Verify thermal management requirements against the junction-to-ambient thermal resistance values provided in the datasheet for the SOIC package.
Part Context
This part belongs to the SNx4LVC157A series of quadruple 2-line to 1-line data selectors/multiplexers. The LVC family is designed for 1.65V to 3.6V VCC operation, offering compatibility with various digital logic families while maintaining low power consumption and high noise immunity characteristics suitable for modern embedded systems.
Replacement Considerations
SN74LVC157AD
FAQ
What is the function of the G pin?
The G pin is the output strobe input. When G is high, all outputs are low. When G is low, a 4-bit word is selected from one of two sources and routed to the four outputs.
Can unused inputs be left floating?
No, all unused inputs must be connected to a high or low bias (VCC or GND) to prevent undefined operational states and excessive current consumption.
