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Product Detailed Parameters
- Description：QUICKSWITCH 24:12 MUX/DEMUX
- Series：*
- Mfr：IDT, Integrated Device Technology Inc
- Package：Bulk
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：-
- On-State Resistance (Max)：-
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：-
- Current - Leakage (IS(off)) (Max)：-
- Crosstalk：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Number of Circuits：-
- Grade：-
- Qualification：-
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Overview
The QS33X257XQ1 is a high-speed CMOS multiplexer and demultiplexer manufactured by Integrated Device Technology (IDT). It features four independent 2-to-1 multiplexers with three-state outputs, designed for low-noise applications. The device utilizes enhanced N-channel FET technology to eliminate inherent diodes to Vcc, ensuring bidirectional switching capabilities. It operates within an industrial temperature range and offers zero propagation delay characteristics alongside zero ground bounce performance.
Feature Summary
- Four independent 2:1 multiplexer/demultiplexer channels
- Three-state output capability for bus line driving
- Enhanced N-channel FET switches without inherent diodes to Vcc
- Zero propagation delay and zero ground bounce design
Applications
- High-speed data routing in communication systems
- Bus line drivers requiring low noise and minimal signal distortion
- Industrial control systems operating within extended temperature ranges
Procurement Notes
Verify the exact suffix designation when sourcing, as IDT product lines often transition between Renesas Electronics after acquisition. Confirm RoHS compliance status and current availability through authorized distributors, as older logic families may be subject to discontinuation or limited stock constraints.
Selection Notes
Select this component for designs requiring precise signal routing with minimal timing skew. Ensure the system voltage levels are compatible with the CMOS input/output specifications. Consider the QSOP package dimensions for PCB layout constraints and verify thermal requirements against the industrial operating temperature limits specified in the official datasheet.
Part Context
This part belongs to the QuickSwitch family of high-speed analog switches and multiplexers from IDT. These devices are engineered to replace traditional mechanical relays and slower solid-state switches in high-frequency applications. The family emphasizes signal integrity through advanced FET structures that reduce parasitic effects common in standard CMOS logic.
Replacement Considerations
Check for direct pin-compatible alternatives within the QS33X series. Verify if the QS33X257Q1G variant meets the specific electrical requirements, noting potential differences in packaging or environmental compliance standards mandated by the original design specifications.
