Guide for the standard probe pad sizes and layouts for wafer-level electrical testing
Applies to double- and single-column arrays of metal probe pads, on a semiconductor wafer or chip, that are electrically connected to one or more test structures.
Information technology - Data communications - X.25 Packet Layer Protocol for Data Terminal Equipmen...
This International Standard specifies the procedures, formats and
facilities at the Packet Layer for Data Terminal Equipment (DTE)
operating in conformance with ITU-T Recommendation X.25.
Both Virtual Call and Permanent Virtual Circuit modes of
operation are covered.
The Packet Layer protocol specified herein can be used in both
Open Systems Interconnection (OSI) and non-OSI environments.
When…
Information technology — Data communications — X.25 Packet Layer Protocol for Data Terminal Equipmen...
This International Standard specifies the procedures, formats and
facilities at the Packet Layer for Data Terminal Equipment (DTE)
operating in conformance with ITU-T Recommendation X.25.
Both Virtual Call and Permanent Virtual Circuit modes of
operation are covered.
The Packet Layer protocol specified herein can be used in both
Open Systems Interconnection (OSI) and non-OSI environments.
When…
Lead-acid traction batteries - Part 2: Dimensions of cells and terminals and marking of polarity on ...
Specifies: - the maximum external (overall) dimensions of traction battery cells, that is, the width, the height and the length; - the form of the marking of traction battery cell polarity and dimensions of corresponding symbols; - the basic dimensions of some commonly used traction battery terminals designed to connect output cables to the battery This consolidated version consists of the third…
Gas-Fired Room Heaters - Volume II, Unvented Room Heaters
1.1 Scope
1.1.1 This Standard applies to newly produced gas-fired unvented room heaters and gas-fired unvented decorative room heaters for connection to the house fuel supply system (see Part IV, Definitions), hereinafter referred to as room heaters or appliances, constructed entirely of new, unused parts and materials, having input ratings up to and including 40,000 Btu per hour (11 723 W)…
Low-voltage switchgear and controlgear - Part 1: General rules
Applies, when required by the relevant product standard, to switchgear and controlgear hereinafter referred to as "equipment" and intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V a.c. or 1 500 V d.c. It states those general rules and requirements which are common to low-voltage equipment as defined in Subclause 1.1, including for example:…
