STP1080ABGA-100 suppliers
The STP1080A is an UltraSPARC-I Data Buffer (UDB-1) designed to connect the CPU and its external SRAM cache bus to the system bus. It operates at system frequency and serves as a drop-in replacement for the original STP1080, featuring a reduced package thickness of 2.19 mm. The device is a 256-pin, 3.3 volt CMOS component integral to UltraSPARC-I CPU module designs.
| Package Type | 256 PBGA |
|---|---|
| Operating Voltage | 3.3 volt |
| Package Thickness | 2.19 mm |
| Compatible Systems | 167/200 MHz UltraSPARC-I Systems |
| Data Buffer Size | 1 64-byte cache line |
| Store Buffer Capacity | 8 16-byte stores |
Yes, it is designed to be a drop-in replacement for the STP 1080.
It uses parity on the CPU side and ECC on the system side.