FSA1208BQX

Analog Switches - Special Purpose Overview

The FSA1208BQX is a low-power, eight-port, high-speed isolation switch manufactured by Fairchild Semiconductor. It is configured as a single-pole, single-throw switch optimized for memory applications. The device features eight channels with a maximum on-state resistance of 15 Ohms. It operates across a supply voltage range of 2.3V to 4.3V and delivers a -3dB bandwidth suitable for high-speed signal routing.

Analog Switches - Special Purpose Feature Summary

• Eight-channel configuration providing single-pole, single-throw switching capability
• Optimized for low-power operation in high-speed isolation applications
• Designed specifically for integration into memory system architectures

Analog Switches - Special Purpose Applications

• Memory module signal routing
• High-speed data bus isolation
• Portable electronic device power management

Analog Switches - Special Purpose Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure compatibility with required package variants and temperature ranges. Confirm that the component status remains active before procurement. Cross-reference the datasheet revision date to validate electrical specifications and mechanical dimensions. Ensure the supplier provides traceable origin from authorized distribution channels to guarantee part authenticity and performance reliability.

Analog Switches - Special Purpose Selection Notes

Select this component when an eight-channel analog switch is required for memory interface applications. Consider the 15 Ohm on-state resistance and 2.3V to 4.3V operating range against system power constraints. Evaluate the high-speed isolation characteristics against signal integrity requirements. Compare the DQFN package dimensions with available PCB real estate. Assess thermal performance needs based on the expected duty cycle and ambient conditions.

Analog Switches - Special Purpose Part Context

This part belongs to the FSA series of analog switches designed for portable electronics. It represents a solution for managing multiple signal paths within compact form factors. The technology supports low-voltage operations common in modern mobile devices. Integration into memory subsystems allows for efficient signal path control without significant power penalty.

Analog Switches - Special Purpose Replacement Considerations

Consult the official cross-reference list for verified substitutes. Ensure replacement parts match the eight-channel topology and DQFN package. Verify compatible supply voltage ranges and on-state resistance values.