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The MCM69P817 is a 4M bit synchronous fast static RAM designed to provide a burstable, high performance, secondary cache for the PowerPC? and other high performance microprocessors. It is organized as 256K words of 18 bits each. This device integrates input registers, an output register, a 2–bit address counter, and a high speed SRAM onto a single monolithic circuit for reduced parts count in cache data RAM applications. Synchronous design allows precise cycle control with the use of an external clock (K).

? MCM69P817 Speed Options

? 3.3 V + 10, – 5 Core Power Supply, Operates with a 3.3 V or 2.5 V I/O Supply

? ADSP, ADSC, and ADV Burst Control Pins

? Selectable Burst Sequencing Order (Linear/Interleaved)

? Single–Cycle Deselect Timing

? Internally Self–Timed Write Cycle

? Byte Write and Global Write Control

? PB1 Version 2.0 Compatible

? JEDEC Standard 119–Pin PBGA Package