Mechanical drawing; VXI C Size Dimensions Printed Wiring Board
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This is a diagram of a VXI bus 'C' size card. The maximum size of the C board is shown below. The connector locations and component keep-out areas are indicated, face-plate screw locations are also indicated. The normal card width for a VXI [or VME board] is 90 mil, if the card thickness is increased because of an increased number of layers than the card edges may be milled top and bottom so that it would still slide in a normal card guide. Additional data is provided after the picture, Component height and other detailed data on the VXI bus may be found on the VXI bus or VME bus page.
IEEE 1101.1 Base Document for Mechanics ~ Defines 3U/6U/9U (high)
x 100/160/220/280/340/400mm (Long) cards
IEEE 1101.10 Mechanics for VME Boards and Subracks
IEEE 1101.11 Mechanics for Rear Transition Modules
Three card heights are allowed with VXI; 3U, 6U, or 9U; a single slot
card is 6T wide. Length is either 160mm or 340mm (Norm)
Height is given in 'U' [1U = 43.60mm], Length is given in 'mm', Width is
given in 'T' or HP [1HP = 5.08mm [HP: Horizontal Pitch]; Card sizes
listed below are one slot or 6T wide
A size PWB Dimensions = 3U x 160mm,
B size PWB Dimensions = 6U x 160mm,
C size PWB Dimensions = 6U x 340mm,
D size PWB Dimensions = 9U x 340mm ... H x L x W {@
width=6T}
A, B, C, and D are VXI terms. VME normally only references 3U or 6U by a
length
Refer to the main VXI bus page for a description of the
VXIbus and VXI component links.
Refer to the main VME bus page for a description of the
VMEbus and VME component links.
Engineering Key Words: PWB, CCA, Circuit Card, Printed Wiring
Board, Form Factor, Dimensions,
Mechanical, Mechanics, Height, High, Long, VXI, VXI-Bus, VME {Versa
Module Europa} Extension for Instrumentation,
VME, VMEbus, VME64, Versa Module Europa, IEEE 1014-1987, Euro-Card size,
Embedded Computer bus, Usable Component Space,
Physical size, Front panel hole locations, How tall is a VME card, How
long is a VME card.
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