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Product Detailed Parameters
- Description：IC MULTIPLEXER 4 X 2:1 16VQFN
- Series：74LVC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- 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-VFQFN Exposed Pad
- Supplier Device Package：16-VQFN (4x3.5)
- Grade：-
- Qualification：-
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Overview
The SN74LVC157ARGYR is a quadruple 2-line to 1-line data selector/multiplexer from the Texas Instruments LVC logic family. It operates within a supply voltage range of 1.65V to 3.6V and supports an input voltage up to 5.5V, enabling translation in mixed-voltage systems. The device features a maximum propagation delay of 5.2ns at 3.3V and includes an active-low output strobe (G) for controlling data routing. It is housed in a 16-pin VQFN package with dimensions of 4mm x 3.5mm.
Feature Summary
- Operates from 1.65V to 3.6V supply voltage
- Inputs accept voltages up to 5.5V for system translation
- Includes active-low output strobe control
- Provides latch-up performance exceeding 250mA per JESD 17
Applications
- Mixed 3.3V/5V system environments
- Data routing applications requiring low power consumption
- Portable battery-powered devices
Procurement Notes
Verify the specific ordering suffix 'RGYR' corresponds to the VQFN-16 package and tape-and-reel carrier configuration. Confirm that the -40°C to 85°C operating temperature range aligns with your design requirements. Ensure ESD precautions are observed during handling as specified in the datasheet.
Selection Notes
Select this component when a quad multiplexer with 5.5V tolerant inputs is required for low-voltage CMOS logic. The VQFN package offers a compact footprint suitable for space-constrained designs. Verify that the 5.2ns propagation delay meets the timing constraints of your application at the target supply voltage.
Part Context
This part belongs to the SNx4LVC157A series of quadruple 2-line to 1-line data selectors. The series utilizes advanced CMOS technology to achieve high-speed operation while maintaining low static power consumption. The RGY suffix specifically denotes the VQFN package type, distinguishing it from SOIC or TSSOP variants within the same logical family.
Replacement Considerations
SN74LVC157ADBR
FAQ
How does the output strobe (G) pin function?
When G is high, all outputs are forced low. When G is low, the selected data inputs are routed to the outputs based on the A/B select line.
Can this device translate between 3.3V and 5V logic levels?
Yes, the inputs can be driven by either 3.3V or 5V devices, allowing the use of these devices as translators in mixed 3.3V/5V system environments.
