OR2C04A 데이터 시트보기 (PDF) - Lattice Semiconductor

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OR2C04A

ORCA® Series 2 Field-Programmable Gate Arrays

Lattice Semiconductor 

Data Sheet

January 2002

ORCA Series 2 FPGAs

Package Outline Drawings

Terms and Definitions

Basic Size (BSC):

Design Size:

Minimum (MIN) or

Maximum (MAX):

Reference (REF):

Typical (TYP):

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.

Indicates the minimum or maximum allowable size of a dimension.

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.

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

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

Lattice Semiconductor

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