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Product Detailed Parameters
- Description：MOSFET N-CH
- Series：*
- Mfr：Sanyo
- Package：Bulk
- Technology：-
- Configuration：-
- FET Feature：-
- Drain to Source Voltage (Vdss)：-
- Current - Continuous Drain (Id) @ 25°C：-
- Rds On (Max) @ Id, Vgs：-
- Vgs(th) (Max) @ Id：-
- Gate Charge (Qg) (Max) @ Vgs：-
- Input Capacitance (Ciss) (Max) @ Vds：-
- Power - Max：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The STMFS4854NST1G is a high-speed, low-voltage CMOS quad bus transceiver designed for RS-485 and RS-422 communication applications. It features a single data transmitter and receiver per package, supporting data rates up to 20 Mbps. The device operates with a supply voltage range of 3.0 V to 3.6 V and includes integrated ESD protection on the bus pins rated at ±15 kV (HBM). Key electrical parameters include a differential output voltage of 1.5 V minimum and a common-mode rejection ratio of 1.5 V/mV. The component utilizes an SSOP-16 package and is compliant with RoHS standards.
Feature Summary
- Integrated electrostatic discharge (ESD) protection on bus lines
- High-speed data transmission capability up to 20 Mbps
- Low supply voltage operation optimized for portable systems
Applications
- RS-485 multi-drop communication networks
- RS-422 point-to-point or multi-point links
- Industrial automation control systems
- Portable battery-powered equipment requiring robust serial interfaces
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current datasheet to ensure correct packaging and tape-and-reel specifications. Confirm that the procurement channel provides original manufacturer documentation to validate authenticity and traceability before finalizing orders.
Selection Notes
Select this component when designing systems requiring high-speed differential signaling with integrated bus protection in a compact footprint. Ensure the system power supply aligns with the specified 3.0 V to 3.6 V operating range and verify thermal management requirements for the SSOP-16 package under maximum load conditions.
Part Context
This part belongs to the family of high-speed CMOS bus transceivers manufactured by Sanyo Semiconductor, now part of ON Semiconductor. These devices are engineered to replace older discrete solutions by integrating drivers, receivers, and protection circuits into a single monolithic IC, reducing board space and design complexity for industrial communication interfaces.
Replacement Considerations
Check for direct pin-compatible alternatives within the same product family that may offer updated packaging or enhanced ESD ratings. Verify functional equivalence regarding data rate limits and supply voltage ranges before substituting with components from other manufacturers.
