Used Advantest T5230

The T5230, released by Advantest in late 2023, is a wafer-level test system for NAND flash and non-volatile memory (NVM). Like the T5221 you previously inquired about, it follows an "in-prober" (integrated-into-prober) design philosophy, though the T5230 offers enhanced parallel testing capabilities and superior space efficiency.

Core Positioning and Architecture: The T5230 is specifically engineered for integration within multi-wafer probers; its test units can be housed directly inside standard multi-wafer prober systems, resulting in a footprint reduction of up to 86% according to the manufacturer. It utilizes a "Combined Array Architecture," where each test head can test 1,024 memory devices in parallel, with the total system capable of testing 1,536 devices simultaneously. Multiple test units are linked via a system controller, allowing each unit to perform wafer testing independently. The system also supports integration with probers in both linear and multi-layer stacked configurations.

Performance and Data Processing: The system delivers functional test speeds of up to 125 MHz/250 Mbps, ensuring high timing precision, repeatability, and robust fault detection. To address the surge in test data volume driven by the increasing capacity of 3D NAND, the T5230 features faster data transfer rates, which helps reduce test times and improve overall throughput.

Software Compatibility: Powered by the FutureSuite operating system, the T5230 is highly compatible with Advantest’s existing memory test platforms, enabling users to seamlessly migrate test programs from previous-generation equipment.

In short, the T5230 represents a new generation of platforms from Advantest that leverages an "in-prober + combined array" strategy to further lower the costs and physical footprint associated with NAND wafer testing. Compared to the T5221 (which features 12 test stations and 1,152-device parallel testing), the T5230 offers improvements in both parallel testing capacity and space efficiency.