AWG G3 PAD FOR PS3 Dokumentacja Pobierz pdf (Strona 79)

Test System Configuration 4 Test Head Filling and DUT Board Considerations

System Reference, January 2001

single group will be supported. NOTE that only digitizers

are possible in such an analog half group and that Analog

Module’s specifications can not be guaranteed.

The numbers on top of the squares in Figure 39 are those

of the groups that are filled in that column.

The numbers on the left hand side of the boxes indicate

the maximum number of digital pins you can obtain for

the filling mentioned in the same row.

The colour coding is the same as in Figure 38 for the

group reservations: white for analog only, lightly shaded

(yellow) for optionally digital or analog and heavily

shaded (dark grey) for digital only.

The first four rows of the 1024 pin test head digital domi-

nant filling contains the same number of digital pins as the

corresponding four rows of the 512 pin test head. Thus if

you use the 1024 pin DUT board on the 512 pin test head

your maximum number of digital pins will stay the same.

This is the same for the first two rows of the analog domi-

nante case.

The last and seperated row of the digital dominant 1024

pin tester filling option is the only one differing: For that

row the maximum number of digital pins corresponds to

that one of the last row of the 512 pin digital dominant

tester as indicated by the arrow.

Digital Fill Order

The digital input-output channels are filled according to

increasing pad numbers starting from the lowest pad

number of group 1 which is 10101. (For the numbering of

groups and pads see “Pad Blocks” on page 67.) A group

(two adjacent halfgroups of four pairs of pad blocks each)

is to be completely filled with up to 128 digital channels,

before you start filling another group. See “Digital Domi-

nant Configuration” on page 71 or “Analog Dominant

Configuration” on page 74 to know which group is to be

filled next and continue filling with increasing pad

numbers.

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 284 285

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AWG G3 PAD FOR PS3 Dokumentacja Strona 79