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Product Detailed Parameters
- Description：IC
- Series：-
- Mfr：3PEAK
- Package：Tape & Reel (TR)
- Switch Circuit：SPDT - Open/Closed
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：8Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：2.3V ~ 3.6V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：5ns (Typ), 5ns (Typ)
- -3db Bandwidth：400MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：5pF
- Current - Leakage (IS(off)) (Max)：1µA
- Crosstalk：-
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOP
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The TPW3257-SS3R-S is a high-bandwidth bus switch manufactured by 3PEAK, utilizing a charge pump to provide low and flat on-state resistance. It supports a supply voltage range of 2.3 V to 3.6 V and features 5-V tolerant I/Os with device isolation during power-off. The device offers a typical on-state resistance of 4 Ω at VCC = 3 V and a bandwidth of 400 MHz. It operates within a temperature range of –40°C to 125°C and employs break-before-make switching. The component is organized as two 1-of-4 multiplexers/demultiplexers in a 2:1 configuration, controlled by OE and S pins.
Feature Summary
- High-bandwidth operation with minimal propagation delay
- Internal charge pump for low and flat on-state resistance
- Isolation during power-off even when signal exits switch pins
- Break-before-make switching functionality
Applications
- SPI routing
- Server systems
- Video signal routing
- Computer applications
Procurement Notes
Verify the specific ordering suffix SS3R corresponds to the QSOP16 package type and tape and reel transport media. Confirm that the green eco-plan designation indicates RoHS compatibility and halogen-free status. Ensure the operating temperature range matches the required system specifications of -40°C to 125°C before finalizing procurement.
Selection Notes
Select this component for applications requiring high-speed signal multiplexing with low insertion loss. The 5-V tolerant I/Os allow compatibility with 3.3-V control logic while handling 5-V signals. Ensure the PCB layout minimizes reflections by avoiding sharp corners and reducing via usage for optimal high-frequency performance.
Part Context
The TPW3257 is part of 3PEAK's bus switch family designed for high-bandwidth data routing. The SS3R suffix specifically denotes the QSOP16 package variant. This series utilizes charge pump technology to maintain consistent on-state resistance across varying load conditions, distinguishing it from standard analog switches.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer directly for potential cross-references or alternative packages such as SOP16 or TSSOP16 variants.
