发明授权
US06274928B1 Single deposition layer metal dynamic random access memory 失效
单沉积层金属动态随机存取存储器

Single deposition layer metal dynamic random access memory
摘要:
A 16 megabit (224) or greater density single deposition layer metal Dynamic Random Access Memory (DRAM) part is described which allows for a die that fits within an industry-standard 300 ml wide SOJ (Small Outline J-wing) package or a TSOP (Thin, Small Outline Package) with little or no speed loss over previous double metal deposition layered 16 megabit DRAM designs. This is accomplished using a die architecture which allows for a single metal layer signal path, together with the novel use of a lead frame to remove a substantial portion of the power busing from the die, allowing for a smaller, speed-optimized DRAM. The use of a single deposition layer metal results in lower production costs, and shorter production time.
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