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FSA644UCX
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Product Detailed Parameters
- Description：2:1 MIPI D-PHY (1.5GBPS) 4-DATA
- Series：*
- Mfr：Fairchild Semiconductor
- 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：-
Download product information
Overview
The FSA644UCX is a single 2:1 multiplexer switch integrated circuit designed for MIPI D-PHY interfaces with data rates up to 1.5Gbps. It supports four data lanes and features a WLCSP package with 36 pins. The device operates within a temperature range of -40°C to +85°C. Physical dimensions are 2.36 x 2.36 x 0.292mm. It complies with RoHS3 standards and has an MSL rating of 1.
Feature Summary
- Supports MIPI D-PHY protocol for high-speed data transmission
- Configured as a single 2:1 multiplexer for four data lanes
- Utilizes wafer-level chip-scale packaging for compact integration
Applications
- Mobile phone camera module signal routing
- MIPI interface switching in portable devices
- High-speed data lane selection in consumer electronics
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific ordering suffix matches the required tape and reel or cut tape format. Check for end-of-life status, as this part may be discontinued. Ensure compliance with current environmental regulations such as RoHS3 before procurement.
Selection Notes
Select this component when a low-profile solution for MIPI D-PHY switching is required. The WLCSP package suits space-constrained designs. Verify that the 1.5Gbps data rate meets system requirements. Consider the 36-pin count for PCB layout complexity compared to simpler switches.
Part Context
This component belongs to the FSA644 series of MIPI switches originally developed by Fairchild Semiconductor, now part of onsemi. It serves as a specialized interface IC for managing multiple data lanes in mobile applications. The UCX suffix denotes the specific WLCSP packaging variant used in compact electronic assemblies.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official obsolescence notices or contact the manufacturer for recommended alternatives.
