VME64x Backplanes

Description

VME64x Backplanes are an enhanced version of the original VMEbus, designed to facilitate high-speed data transfers and improved connectivity. They feature a 160-pin connector family, which allows for increased bandwidth and the inclusion of additional functionalities such as hot swap capability and injector/ejector locking handles. These backplanes support asynchronous data transfers and offer a bandwidth of up to 160 Mbps, making them suitable for demanding computing environments.

Working Principle

VME64x Backplanes operate by utilizing a memory-mapped scheme where each device is viewed as an address or block of addresses. This architecture allows for asynchronous data transfers, meaning data can be transferred at the optimum speed for each board. The backplane supports various data transfer operations, including read, write, modify, and block transfers. The inclusion of a 3.3 V power supply pin and hot swap capability enhances their utility in dynamic and high-performance systems.

Applications

VME64x Backplanes are widely used in high-end telecom, military, industrial, and real-time computing systems. For example, they are employed in military applications where rugged and reliable data transfer is critical. They are also used in industrial automation systems that require robust and high-speed data processing capabilities.

Advantages over other Backplanes

One of the key advantages of VME64x Backplanes is their backward compatibility with the original VMEbus, allowing for the integration of legacy systems. They also offer improved bandwidth and power delivery compared to older VME versions. The hot swap capability and injector/ejector locking handles provide additional convenience and reliability in maintaining and upgrading systems.

Limitations

Despite their advantages, VME64x Backplanes have limitations, such as the potential for increased complexity in system design due to their enhanced features. Additionally, while they offer improved bandwidth, they may not match the performance of newer technologies like VPX or VXS in terms of data transfer rates.

Considerations

When considering VME64x Backplanes, it is important to evaluate initial costs, which may be higher due to their advanced features and compatibility requirements. Operating expenses can also be influenced by the need for specialized maintenance and potential upgrades to accommodate newer technologies. However, their durability and reliability can offset these costs over time, making them a viable option for long-term applications.

7 Results
Dual Star Topology Backplanes
from ELMA Electronic Inc.

VITA 31.1 defines a pinout and interconnection methodology for implementing a 10/100/1000BASE-T Ethernet switched network on a VME64x backplane. 10/100/1000BASE-T Ethernet switched network. 2 redundant VITA 31.1 Fabric Slots, right justified. Switches 100% compatible to PICMG 2.16. Standard VME64x /... [See More]

  • Bus / Standard: VME64x
  • Form Factor: 6U
  • Board Function: Passive Backplane
  • VME / VXI / MXI: 8
VME J1 / J2 Monolithic, 3-SLOT -- VMEBP03P11
from Vector Electronics & Technology, Inc.

VME 64, 96-pin, 3-slot, J1/J2, Power Bugs, P & G pins, M-N-L [See More]

  • Bus / Standard: VME Bus; VME64x
  • Form Factor: For 6U cards
  • Board Function: Passive Backplane
  • Power Connectors: POWER TAPS/M-N-L
VITA 41.0 VXS Backplane -- VITA 41
from SIE Computing Solutions, Inc.

12 slot VITA 41.0 VXS backplane. 10 VME64x payload slots. Two fabric switch slots. Dual star configuration. Inter-switch links. SMT passive termination. Decoupling capacitors. Passive ABG option [See More]

  • Bus / Standard: VME64x
  • ISA: 0
  • Board Function: Active Backplane
  • PCI: 0
VME64 Extension Backplane -- NF
from SIE Computing Solutions, Inc.

100% SMT of all electronic components. All press-fit connectors. 160 pin DIN connector. The pre-mate pin lengths to support the live insertion ETL (Enhanced Transceiver Logic) devices. 3.3 Volt power pins. +V and -V power pins. 35 more signal ground return pins. 46 more user defined I/O pins. Two... [See More]

  • Bus / Standard: VME64x
  • Form Factor: 6U x 340 (C-Size)
  • Board Function: Active Backplane
  • Power Connectors: 3.3 volts
VME64 Extension Backplane -- NG
from SIE Computing Solutions, Inc.

100% SMT of all electronic components. All press-fit connectors. 160 pin DIN connector. The pre-mate pin lengths to support the live insertion ETL (Enhanced Transceiver Logic) devices. 3.3 Volt power pins. +V and -V power pins. 35 more signal ground return pins. 46 more user defined I/O pins. Two... [See More]

  • Bus / Standard: VME64x
  • Form Factor: 6U x 340 (C-Size)
  • Board Function: Active Backplane
  • Power Connectors: 3.3 volts
VME64 Extension Backplane -- NK
from SIE Computing Solutions, Inc.

100% SMT of all electronic components. All press-fit connectors. 160 pin DIN connector. The pre-mate pin lengths to support the live insertion ETL (Enhanced Transceiver Logic) devices. 3.3 Volt power pins. +V and -V power pins. 35 more signal ground return pins. 46 more user defined I/O pins. Two... [See More]

  • Bus / Standard: VME64x
  • Form Factor: 6U x 340 (C-Size)
  • Board Function: Active Backplane
  • Power Connectors: 3.3 volts
VME64 Extension Backplane -- NL
from SIE Computing Solutions, Inc.

100% SMT of all electronic components. All press-fit connectors. 160 pin DIN connector. The pre-mate pin lengths to support the live insertion ETL (Enhanced Transceiver Logic) devices. 3.3 Volt power pins. +V and -V power pins. 35 more signal ground return pins. 46 more user defined I/O pins. Two... [See More]

  • Bus / Standard: VME64x
  • Form Factor: 6U x 340 (C-Size)
  • Board Function: Active Backplane
  • Power Connectors: 3.3 volts