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Product Detailed Parameters
- Description：IC MUX TRPL 8:4 15OHM 48QVSOP
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Switch Circuit：4PDT
- Multiplexer/Demultiplexer Circuit：8:04
- On-State Resistance (Max)：15Ohm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：5.2ns, 4.8ns
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：10pF
- Current - Leakage (IS(off)) (Max)：1µA
- Crosstalk：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：48-FSOP (0.154", 3.90mm Width)
- Supplier Device Package：48-QVSOP
- Number of Circuits：3
- Grade：-
- Qualification：-
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Overview
The QS33X257Q1G8 is a triple 8-to-4 multiplexer/demultiplexer logic IC manufactured by Renesas Electronics. It operates on a single 5V supply and features a low on-resistance of 15 ohms. The device supports surface mount installation in a 48-QVSOP package with dimensions of 0.154 inches (3.90mm) width. Electrical characteristics include a maximum switch-on time of 5.2ns and switch-off time of 4.8ns. Off-state leakage current is limited to 1µA, with channel capacitance at 10pF. It functions within an operating temperature range of -40°C to +85°C.
Feature Summary
- Triple circuit architecture providing three independent 8:4 mux/demux channels
- Low on-resistance design for efficient signal transmission
- Single-supply operation compatible with standard 5V logic systems
Applications
- Data routing in high-speed digital communication interfaces
- Signal selection in computer peripheral control circuits
- Bus switching applications requiring low distortion
Procurement Notes
This component is officially discontinued and no longer in production. Verification of availability requires checking distributor surplus or secondary market sources. Buyers must confirm the specific suffix Q1G8 matches their board requirements, as packaging variations may exist among remaining stock. Compliance documentation should be reviewed prior to integration into new designs.
Selection Notes
Engineers replacing this part should evaluate the QS33X257Q1G variant, which shares the same core functionality but differs in tube packaging compared to the reel-based Q1G8. Designers must ensure the 48-QVSOP footprint is compatible with existing PCB layouts. Alternative solutions from other manufacturers require matching the 15-ohm on-resistance and 5V supply voltage constraints to maintain system performance.
Part Context
The QS33X257Q1G8 belongs to the QS33X257 series of multiplexers. This family focuses on high-density signal routing within compact surface-mount packages. The component serves as a bridge between parallel data buses and serial processing units, facilitating flexible interconnect topologies in embedded systems and industrial control hardware.
Replacement Considerations
The QS33X257Q1G is a confirmed manufacturer-recommended alternative offering identical electrical specifications. The primary distinction lies in the shipping format, with the Q1G typically supplied in tubes rather than reels.
