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Product Detailed Parameters
- Description：IC SWITCH SPDT 400MHZ 16-TSSOP
- Series：-
- Mfr：3PEAK
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The TPW3257-TS3R 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 multiplexes up to 4 channels simultaneously in a 2:1 configuration. Key electrical parameters include a typical on-resistance of 4 Ω at VCC = 3 V, a bandwidth of 400 MHz, and an operating temperature range of –40°C to 125°C. Propagation delay is typically 0.2 ns from A to B or B to A. The component is housed in a TSSOP-16 package.
Feature Summary
- High-bandwidth operation with 400 MHz bandwidth for signal routing applications
- Internal charge pump provides low and flat on-state resistance across the operating voltage range
- 5-V tolerant I/Os allow switching of 0-V to 5-V signals while powered by 3.3 V
- Device isolation during power-off prevents current flow when powered down
Applications
- SPI Routing
- Server systems
- Video Signal Routing
- Computer hardware
Procurement Notes
Verify the specific ordering suffix TS3R corresponds to the TSSOP-16 package and tape-and-reel quantity of 4000 units as documented in the manufacturer's order information. Confirm RoHS compatibility and halogen-free status by checking the green product designation listed in the official datasheet specifications before finalizing procurement orders.
Selection Notes
Select this component for designs requiring bidirectional data flow control with minimal propagation delay. Ensure the application operates within the 2.3 V to 3.6 V supply voltage range. Verify that the 5-V tolerant input/output capability meets the system's signal level requirements. Consider the TSSOP-16 package constraints for PCB layout and thermal management in high-density designs.
Part Context
The TPW3257 belongs to the TPW3257 series of high-speed bus switches produced by 3PEAK. This series includes variants such as TPW3257-SO3R (SOP16) and TPW3257-SS3R (QSOP16), which share identical electrical characteristics but differ in physical packaging. The TS3R suffix specifically denotes the TSSOP-16 package variant available in tape-and-reel format.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult the manufacturer directly for alternative components or verify pin-to-pin compatibility with other 4-channel 2:1 bus switches if cross-referencing is required.
