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Product Detailed Parameters
- Description：IC MUX/DEMUX 4 X 2:1 16TSSOP
- Series：74CBT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：Multiplexer/Demultiplexer
- Circuit：4 x 2:1
- Independent Circuits：1
- Current - Output High, Low：-
- Voltage Supply Source：Single Supply
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Grade：-
- Qualification：-
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Overview
The SN74CBT3257CPWRG4 is a 4-bit 1-of-2 FET multiplexer/demultiplexer from Texas Instruments. It operates within a supply voltage range of 4 V to 5.5 V and supports bidirectional data flow with near-zero propagation delay. The device features undershoot protection for off-isolation on A and B ports up to -2 V. It is housed in a 16-TSSOP surface-mount package and is designed for high-speed applications requiring low power consumption.
Feature Summary
- Bidirectional data flow capability with near-zero propagation delay
- Undershoot protection for off-isolation on A and B ports up to -2 V
- Single output-enable (OE) input controls the data path
Applications
- High-speed data routing in portable equipment
- Signal switching in battery-powered systems
- Multiplexing in communication interfaces
Procurement Notes
Verify the complete part number including the RG4 suffix, which indicates RoHS compliance and green packaging status. Confirm the TSSOP-16 package type matches your PCB footprint requirements. Ensure the operating voltage range of 4 V to 5.5 V aligns with your system's power supply specifications before procurement.
Selection Notes
Select this component when a 4-bit multiplexer with bidirectional flow and low-voltage tolerance is required. The CBT series offers faster performance compared to standard CMOS logic. Consider the 16-TSSOP package for space-constrained designs. Verify that the 4 V minimum supply voltage meets your system's operational needs.
Part Context
This part belongs to the SN74CBT3257 family of 4-bit 1-of-2 FET multiplexers. It shares functional similarities with the SN74CBT3257C but includes specific manufacturing revisions indicated by the CPWRG4 suffix. The device is part of Texas Instruments' broader portfolio of high-speed logic ICs designed for modern electronic applications.
Replacement Considerations
The SN74CBT3257CPW is a non-RoHS version of the same device. The SN74CBTLV3257PWR is a low-voltage variant operating between 2.3 V and 3.6 V, which is not directly compatible with 5 V systems without level shifting.
