This is the MPC2105A/B and MPC2106A/B Fast SRAM 512KB and 1MB BurstRAM Secondary Cache Modules for PowerPC PReP/CHRP Platforms.
This document provides technical data for the MPC2105A/B and MPC2106A/B BurstRAM secondary cache modules. These modules are designed to provide high-performance L2 cache for the PowerPC 60x microprocessor family, conforming to PowerPC Reference Platform (PReP) and Common Hardware Reference Platform (CHRP) specifications. The modules utilize synchronous BurstRAMs configured as 64K x 72 and 128K x 72 bits in a 178-pin DIMM format.
| Memory Configuration | 64K x 72, and 128K x 72 bits |
|---|---|
| Package Format | 178 (89 x 2) pin DIMM |
| Clock Rate | Up to 66 MHz |
| SRAM Access Time (Tag) | 10ns |
| SRAM Access Time (Data) | 9ns |
| Operating Temperature | 0 to +70 °C |
| Storage Temperature | -55 to + 125 °C |
They are designed for PowerPC 60x microprocessor family in conformance with PReP and CHRP specifications.
Both +5 V (Vcc) and +3.3 V (Vpp) power supplies must be connected.
Yes, all cache modules in this family are plug and pin compatible.