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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
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MCM4464 Series 1MB R4000 Secondary Cache Fast Static RAM Module Set
Four MCM4464 modules comprise a full 1 MB of secondary cache for the R4000 processor. Each module contains nine MCM6709J fast static RAMs for a cache data size of 64K x 36. The tag portion, dependent on word line size, contains either two MCM6709J or one MCM6706J fast static RAMs. All input signals, except A0 and WE are buffered using 74FBT2827 drivers with series 25 Ω resistors. The MCM6709J and MCM6706J are fabricated using high–performance silicon–gate BiCMOS technology. Static design eliminates the need for internal clocks or timing strobes. All 1MB R4000 supported secondary cache options are available.
MCM44D64 Datasheet
