ATT3042 데이터 시트보기 (PDF) - Unspecified

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ATT3042

Field-Programmable Gate Arrays

Unspecified 

ATT3000 Series Field-Programmable Gate Arrays

Data Sheet

February 1997

Outline Diagrams

Terms and Definitions

Basic Size (BSC):

Design Size:

Typical (TYP):

Reference (REF):

Minimum (MIN) or

Maximum (MAX):

The basic size of a dimension is the size from which the limits for that dimension are derived

by the application of the allowance and the tolerance.

The design size of a dimension is the actual size of the design, including an allowance for fit

and tolerance.

When specified after a dimension, indicates the repeated design size if a tolerance is speci-

fied or repeated basic size if a tolerance is not specified.

The reference dimension is an untoleranced dimension used for informational purposes only.

It is a repeated dimension or one that can be derived from other values in the drawing.

Indicates the minimum or maximum allowable size of a dimension.

44-Pin PLCC

Dimensions are in millimeters.

17.65 MAX

16.66 MAX

PIN #1 IDENTIFIER

ZONE

6

1

40

7

39

16.66

MAX

17.65

MAX

17

18

29

28

1.27 TYP

0.53

MAX

0.51 MIN

TYP

4.57

MAX

SEATING PLANE

0.10

5-2506r7(C)

68

Lucent Technologies Inc.

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