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PI7C8140A 2-PORT PCI-to-PCI BRIDGE PLX PCI6140 COMPARISON PERICOM SEMICONDUCTOR JUNE 2004 Page 1 of 3 FEATURE COMPARISON: PI7C8140A vs. PLX PCI6140 Features: Feature Pericom PI7C8140A PLX PCI6140 Interfaces ! Complies with the following specifications: PCI Local Bus Specification PCI-to-PCI Bridge Architecture Specification ! 3.3V and 5V signaling environments ! 66MHz capable ! Concurrent primary and secondary bus operations Revision 2.2 Revision 1.1 yes yes yes Revision 2.1 Revision 1.1 no (3.3V w/5V tolerance) no yes Memory Buffer Architecture ! Dynamic Prefetching Control yes no Bus Arbitration ! Programmable internal arbiter for the secondary bus with support for up to 4 external masters yes yes IEEE 1149.1 JTAG port ! Available boundary scan testing no no Compact PCI Hot Swap ! Hot Swap Friendly Support yes yes Packaging ! 128-pin QFP ! Extended commercial temp range: 0°C to 85°C yes yes yes no (0°C to 70°C) Pin differences (128-pin QFP): pin number Pericom PI7C8140A PLX PCI6140 65 SCAN_TM# No Connect 106 SCAN_EN S_IDEN (reserved) Register differences: Pericom PI7C8140A PLX PCI6140 Vendor ID 12D8h 3388h Device ID 8140h 0021h |
