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HDM
TSMC's HDM offering branches into two logic-based technology - Embedded 1TRAMSM (including 1T-P and 1T-Q) and Embedded DRAM, to meet the demands of an expanding range of applications. The two-branch epitomizes TSMC’s HDM process evolvement through three technology generations from 1T-P to 1T-Q and then to Embedded DRAM. Each development reduced cell size by half (see the diagram below).

 
Technology availability with corresponding process node is listed in the table below. TSMC’s research and development efforts will continue to produce the best embedded memory technology to enhance the competitiveness of your products.

 
 
Advanced Embedded DRAM Technology

The embedded DRAM celll with Metal-Insulator-Metal capacitor features a capacitor-under-bitline (CUB) that reduces both process complexity and the number of production masks. It provides additional cell area improvements and can integrate up to 256Mb of on-chip memory.
For more information, contact your account manager.

Error Correction Code (ECC) Design Ensures High Yield and Excellent Reliability
Both 1T-Q and embedded DRAM feature ECC to improve high yield success. Neither requires memory burn-in, which reduces production costs. The Soft Error Rate (SER) is more than 10 times better than 6T-SRAM technology’s.

Robust TSMC and Third Party IP
TSMC partners with the industry’s best 1T IP providers. Starting from 90nm, TSMC provides embedded DRAM IP option. Different memory densities with 1Mb granularity and configurable bus widths ranging from 32-bit to 512-bit are available. Low power application options include sleep mode, partial power down and total power down choices. Programmable Build-in Self Test (BIST) makes memory testing almost transparent and reduces production costs.