PI3DDR4212NMEX

Analog Switches - Special Purpose Overview

The PI3DDR4212NMEX is a 12-bit 2:1 multiplexer switch designed for DDR3 and DDR4 memory bus applications. It supports supply voltages of 1.8V, 2.5V, and 3.3V with signaling standards including POD_12, SSTL_12, and SSTL_15. The device accommodates transfer rates up to 4266 Mbps for DDR4 and 2133 Mbps for DDR3. Key electrical parameters include a typical on-resistance (RON) of 7 ohms, a 3dB bandwidth of 6GHz, and low insertion loss of -1dB at 2GHz. It features a propagation delay of 70ps and bit-to-bit skew of 8ps maximum across six bits. The component is housed in a 48-pin TFBGA package measuring 3x8x1mm.

Analog Switches - Special Purpose Feature Summary

• Supports DDR3 and DDR4 memory bus speeds up to 4266 Mbps
• Compatible with 1.8V, 2.5V, and 3.3V supply voltages
• Provides high impedance and low capacitance output when disabled
• Features flow-through pinout for simplified PCB layout

Analog Switches - Special Purpose Applications

• DDR4 Memory Bus Systems
• NVDIMM Modules
• Flash Memory Array Subsystems
• High Speed Multiplexing

Analog Switches - Special Purpose Procurement Notes

Verify the specific ordering suffix NMEX against the manufacturer's official documentation to confirm exact packaging configuration and environmental compliance status. Ensure that the selected variant matches the required tape-and-reel specifications for automated assembly processes. Cross-reference the part number with current datasheets to validate active production status and availability constraints before finalizing procurement plans.

Analog Switches - Special Purpose Selection Notes

Select this component for designs requiring signal switching between host controllers and DRAM or NAND flash interfaces. The device is suitable for systems utilizing DDR3 or DDR4 protocols operating within the specified voltage ranges. Consider the 48-pin TFBGA footprint during mechanical design to ensure adequate clearance and thermal management capabilities are integrated into the board layout strategy.

Analog Switches - Special Purpose Part Context

This component belongs to the Pericom DDR switch family, engineered for high-speed memory interface applications. It serves as a critical interconnect element in server and storage architectures where data path redundancy or expansion is required. The technology leverages proprietary high-speed switching mechanisms to maintain signal integrity across multiple channels simultaneously.

Analog Switches - Special Purpose Replacement Considerations

The datasheet indicates pin compatibility with CBTU24DD2 and CBTV24DD2 series devices. Verify functional equivalence and parameter alignment with these specific part numbers before substitution. Confirm that alternative components support the same signaling standards and voltage requirements.