MOTOROLA FAST SRAM is a 256KB/512KB BurstRAM secondary cache module specifically designed for the PowerPC 60x microprocessor family in compliance with the PowerPC Reference Platform (PReP) and the PowerPC Common Hardware Reference Platform (CHRP) specifications.
This document provides technical data for the MPC2104P and MPC2105P, which are 256KB and 512KB BurstRAM secondary cache modules designed for PowerPC PReP and CHRP platforms. These modules utilize synchronous BurstRAMs to provide high-performance L2 cache for the PowerPC 60x microprocessor family.
| Capacity (MPC2104P) | 256KB |
|---|---|
| Capacity (MPC2105P) | 512KB |
| Configuration (MPC2104P) | 32K x 64 bits |
| Configuration (MPC2105P) | 64K x 64 bits |
| Package Type | 178 pin DIMM |
| Max Clock Rate | 66 MHz |
| Data RAM Access Time | 8 ns |
| Tag RAM Access Time | 9 ns |
The tag RAM has a match access time of 9 ns, and the data RAM has an access time of 8 ns.
The module supports fast clock rates of up to 66 MHz.
Both the +5 V and +3.3 V power supplies must be connected to the module.