STDF_Version_4_Specification.pdf

STDF

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STDF Specification V4 Page i

enu

Standard Test Data Format

(STDF)

Specification

Version 4

Table of Contents

Click on any entry.

Introduction to STDF

Teradyne’s Use of the STDF Specification

STDF Design Objectives

STDF Record Structure

STDF Record Header

Record Types and Subtypes

Data Type Codes and Representation

Note on Time and Date Usage

Optional Fields and Missing/Invalid Data

STDF Record Types

Note on “Initial Sequence”

Alphabetical Listing

File Attributes Record (FAR) 16

Audit Trail Record (ATR) 17

Master Information Record (MIR) 18

Master Results Record (MRR) 21

Part Count Record (PCR) 22

Hardware Bin Record (HBR) 23

Software Bin Record (SBR) 25

Pin Map Record (PMR) 27

Pin Group Record (PGR) 29

Pin List Record (PLR) 30

Retest Data Record (RDR) 32

Site Description Record (SDR) 33

STDF Design Objectives

STDF Specification V4 Page 3

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STDF Design Objectives

As ATE networking continues to emerge into a heterogeneous environment involving various

sophisticated computers and operating systems, it becomes necessary to define a common ground that

allows testers, database and database management systems, and data analysis software to store and

communicate test data in a form that is useful, general, and flexible.

The Standard Test Data Format (STDF) described in this document provides such a form. STDF is

flexible enough to meet the needs of the different testers that generate raw test data, the databases

that store the data, and the data analysis programs that use the data. The fact that it is a single,

coherent standard also facilitates the sharing and communicating of the data among these various

components of the complete ATE system.

STDFis not anattempt to specify a database architecturefor eithertestersor thecentralized database

engines. Instead, it is a set of logical record types. Because data items are described in terms of logical

recordtypes, therecord typescan be usedasthe underlying data abstraction,whether the data resides

in a data buffer, resides on a mass storage device, or is being propagated in a network message. It is

independent of network or database architecture. Furthermore, the STDF logical record types may be

treated as a convenient data object by any of the software, either networking or database, that may be

used on a tester or database engine.

Using a standard but flexible test data format makes it possible for a single data formatting program

running on the centralized database engine to accept data from a wide range of testers, whether the

testers come from one vendor or from different vendors or are custom-built by the ATE user. In

addition, adherence to a standard format permits the exporting of data from the central database and

data analysis engine to the user’s in-house network for further analysis in a form that is well

documented and thoroughly debugged. Finally, the standard makes it possible to develop portable

software for data reporting and analysis on both the testers and the centralized database engine.

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