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MAX4889ETO+ is listed in the Analog Switches - Special Purpose range at ChipApex. The manufacturer field lists Analog Devices Inc./Maxim Integrated. Its product description is IC SWITCH OCTAL SPDT 42TQFN. Review the specifications below when checking this part for your BOM.
Analog Switches - Special Purpose specifications for MAX4889ETO+
- Description：IC SWITCH OCTAL SPDT 42TQFN
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tray
- Applications：PCI Express®
- Multiplexer/Demultiplexer Circuit：2:01
- Switch Circuit：SPDT
- Number of Channels：8
- On-State Resistance (Max)：7Ohm (Typ)
- Voltage - Supply, Single (V+)：3V ~ 3.6V
- Voltage - Supply, Dual (V±)：-
- -3db Bandwidth：-
- Features：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：42-WFQFN Exposed Pad
- Supplier Device Package：42-TQFN (3.5x9)
- Grade：-
- Qualification：-
Analog Switches - Special Purpose datasheet and documents for MAX4889ETO+
Analog Switches - Special Purpose Overview
The MAX4889ETO+ is an octal single-pole/double-throw (8 x SPDT) high-speed passive switch designed for routing PCI Express data between two possible destinations. It operates from a single power supply ranging from 1.65V to 3.6V and supports PCIe Gen I signaling rates up to 2.5Gbps. The device features a maximum on-resistance of 7Ω, a typical quiescent current of 120µA, and low same-pair skew of 7ps. It is housed in a 42-pin TQFN package with dimensions of 3.5mm x 9.0mm and includes an exposed paddle connected to ground.
Analog Switches - Special Purpose Feature Summary
- Single digital control input (SEL) switches signal paths between common and normally open/closed terminals
- Flow-through pin configuration facilitates ease of PCB layout
- Low same-pair skew ensures signal integrity during switching operations
- Lead-free packaging compliant with environmental standards
Analog Switches - Special Purpose Applications
- Desktop Computers
- Servers/Storage Area Networks
- Laptops
Analog Switches - Special Purpose Procurement Notes
Verify the component against official Analog Devices documentation to confirm authenticity and specifications. Ensure the ordering suffix matches the required lead-free package type. Check for any specific handling requirements related to electrostatic discharge during storage and installation.
Analog Switches - Special Purpose Selection Notes
Select this component when routing four half lanes of PCIe data between multiple destinations is required. Consider the 42-pin TQFN package size and the 1.65V to 3.6V operating voltage range. Evaluate the low quiescent current and flow-through pinout for optimal board space and power efficiency.
Analog Switches - Special Purpose Part Context
The MAX4889ETO+ belongs to the MAX4888/MAX4889 family of high-speed passive switches. While the MAX4888 provides quad switching capabilities, the MAX4889 offers octal switching in a larger footprint. Both devices share similar electrical characteristics and are intended for PCIe lane reallocation applications.
Analog Switches - Special Purpose Replacement Considerations
The MAX4888ETI+ serves as a functional substitute within the same family but provides only four channels instead of eight. Verify that the reduced channel count meets the system requirements before considering replacement.
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