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Manufacturer: Aitech
As the processing power of 3U cPCI SBCs continues to increase, expanding system functionality by means of PCI Mezzanine Cards (PMCs) is frequently the method of choice for maximizing performance while minimizing system size, power consumption, and cost.
In order to facilitate expandability beyond the PMC sites on the S950 SBC, Aitech has developed the CM950 PMC Carrier. When used in conjunction with our PowerPC® SBCs that provide cPCI backplane interface, such as Aitech's S950, the CM950 adds an additional PMC site per backplane slot. Depending on the SBC, up to seven CM950s can be used in an eight-slot 3U cPCI Enclosure with a S950 SBC configures as a system controller.
CM950 architecture is based on a PCI-PCI bridge implemented in a pair of anti-fuse FPGAs. The bridge connects the primary 32-bit 33.333 MHz PCI expansion bus to a secondary 32-bit 33.333 MHz PCI bus on which the PMC site reside. All cPCI interrupts are routed from the PMC site directly to the cPCI backplane bus interface. Both engineering model and flight model are designed in conduction-cooled form factor to host a conduction-cooled PMC such as the Aitech S703 MIL-STD-1553 PMC or the S710 Communication and 1394a PMC. All I/Os are routed to the cPCI backplane per “PMC on CompactPCI” PIGMG 2.3, R1.0 specifications (dated August 7, 1998).
Designed for harsh space environment applications, the CM950 flight model has an unshielded total dose capability of 45 krad (Si) and an optional 100 krad version can be available upon request. With it's extremely low power consumption (2W maximum – 1.5W on 5Vdc and 0.5W on 3.3Vdc), the CM950 provides maximum expansion capabilities while consuming minimum resources. In addition to +5Vdc and +3.3Vdc, +12Vdc and -12Vdc are routed from cPCI P1 connector Pin D1 and Pin B1 to the PMC connectors J12-Pin1 and J11-Pin2 respectively.
Adapter/Carrier | |
| Features | Less than 2W Power Consumption Design for Use with Multiple S950 SBCs and Conduction-Cooled PMCs in an Enclosure Radiation Tolerant PCI-PCI Bridge Design for use in Rugged Space Application Accommodate a Single-Wide Conduction-Cooled PMC Design in Single-Slot 3U CompactPCI (cPCI) Form Factor Support PCI Bus Specification 2.3 and PCI Bridge Specification 1.1 Support for Full Arbitration of PMC Master Operations PMC I/O routed to cPCI J2 Connector for Backplane Routing Both Engineering Model and Flight Model are available in Conduction-Cooled format per VITA 30.1-2002 Specification Optional Radiation Hardened Version is Available Upon Request |
| Connections | Accommodate a Single-Wide Conduction-Cooled PMC |
General | |
| Expansion | Support PCI Bus Specification 2.3 and PCI Bridge Specification 1.1 One standard PMC slot |
| Electrical | 2W maximum – 1.5W on 5Vdc and 0.5W on 3.3Vdc |
| Mechanical | Both Engineering Model and Flight Model are available in Conduction-Cooled format per VITA 30.1-2002 Specification |
| Conformal Coating | Conformal optional (series 100), standard (series 200/500). Acrylic or Silicone |
| Temperature | Series-100 Lab Grade EDU • Temperature range (operation): 0 to +55°C • Temperature range (storage): -40 to +85°C Series-200 Qual Unit • Temperature range (operation): -40 to +71°C • Temperature range (storage): -50 to +100°C Series-500 Radiation Tolerant Flight Unit • Temperature range (operation): -40 to +65°C (space vacuum) • Temperature range (storage): -62 to +125°C Ruggedization level is determined in the part numbering scheme - refer to datasheet for further details |
| Humidity | Series-100 Lab Grade EDU: 0-90% Series-200 Qual Unit: 0-100% (coating as standard) Series-500 Radiation Tolerant Flight Unit: 0-100% (coating as standard) |
| Altitude | Series-100 Lab Grade EDU: 15,000ft Series-200 Qual Unit: 70,000ft Series-500 Radiation Tolerant Flight Unit: 10 to the -4 Torr |
| Vibration | Series-100 Lab Grade EDU: • Random (g2/Hz): 20-2000Hz/0.02 g2/Hz • Sine (g PEAK): 10-100Hz/2g Series-200 Qual Unit: • Random (g2/Hz): 20-2000Hz/0.1 g2/Hz • Sine (g PEAK): 50-500Hz/10g Series-500 Radiation Tolerant Flight Unit: • Conduction-cooled: Random (g2/Hz): 20-2000Hz/0.1 g2/Hz • Conduction-cooled: Sine (g PEAK): 50-500Hz/10g |
| Shock | Series-100 Lab Grade EDU: 20g/6mS Series-200 Qual Unit: 40g/11ms, 100g/6ms Series-500 Radiation Tolerant Flight Unit: 40g/11ms, 100g/6ms (pyro-shock 875g) |
| Warranty | 1 Year |
| RoHS | Compliant |
Ordering Details | |
| Board | Refer to datasheet for ordering part number scheme |
| Accessories | N/A |