| AC |
Alternating Current |
| ADC |
Analog-to-Digital Converter |
| AOI |
Automated Optical Inspection |
| API |
Application Programming Interface |
| ASIC |
Application Specific Integrated Circuit |
| ATE |
Automated Test Equipment |
| ATPG |
Automatic Test Pattern Generation |
| AXI |
Automated X-Ray Inspection |
| BGA |
Ball Grid Array |
| Boundary Scan |
A method allowing you to observe and have complete control of the boundary pins of a JTAG compatible device via software control. |
| BSDL |
Boundary Scan Description Language |
| BSR |
Boundary Scan Register |
| BST |
Boundary Scan Test |
| CAD |
Computer Aided Design |
| CEM |
Contract Electronic Manufacturer. A firm that manufactures components or products for and based on the design of another hiring firm. |
| COB |
Chip on Board |
| COM |
Component Object Model, a standard Windows programming interface |
| Compliance Pin |
A pin on a JTAG Compliant Device which must be held or sequenced to a particular state, as defined by the manufacturer, before the device will operate as a JTAG Compliant Device. |
| CPLD |
Complex Programmable Logic Device |
| CPU |
Central Processing Unit |
| CSP |
Chip Scale Package |
| DC |
Direct Current |
| DCE |
Data Circuit-terminating Equipment |
| DDR SDRAM |
Double Data Rate Synchronous Dynamic Random Access Memory |
| DFT |
Design for Test / Design for Testability |
| DIL |
Dual In-Line |
| DIP |
Dual In-line Package |
| DLL |
Dynamic Link Library |
| DRAM |
Dynamic Random Access Memory |
| DSP |
Digital Signal Processor |
| DTE |
Data Terminal Equipment |
| DUT |
Device Under Test |
| DVM |
Digital Voltmeter |
| ECM |
Electronic Contract Manufacturing |
| EDA |
Electronic Design Automation |
| EDIF |
Electronic Device Interchange Format |
| EEPROM |
Electrically Erasable Programmable Read-Only Memory (same as E2PROM) |
| EMC |
Electromagnetic compatibility |
| EMS |
Electronic Manufacturing Services (see also ECM). Term used for companies that design, test, manufacture, distribute and provide return/repair services to OEMs. |
| FBT |
Functional Board Test |
| FCT |
Functional Test |
| FIFO |
First In – First Out |
| FPGA |
Field Programmable Gate Array |
| FPT |
Flying Probe Test |
| HSDL |
Hierarchical Scan Description Language (complements BSDL) |
| I²C |
Inter-Integrated Circuit (or “two-wire interface”) is a multi-master serial single-ended computer bus |
| IC |
Integrated Circuit |
| ICT |
In-Circuit Test |
| IDC |
Insulation-Displacement Connector |
| IEEE 1149.1 |
IEEE (Institute of Electrical and Electronics Engineers) Standard 1149.1-1990 “Test Access Port and Boundary Scan Architecture” (see www.ieee.org) |
| I/O |
Input/Output |
| IP |
Intellectual Property |
| ISP |
In-System Programming – the technique of programming devices after they have been soldered into the circuit board |
| JEDEC |
Joint Electron Device Engineering Council |
| JTAG |
Joint Test Action Group (usually refers to IEEE 1149.1 standard compliance) |
| JTAG Chain |
The serial connection of one or more JTAG Compliant Devices. The TDO from one device is linked to the TDI of the next device in order to form a single serial shift register across the chain of devices. TMS and TCK are connected in parallel to each device. |
| JTAG Compliant Device |
An integrated circuit or device which implements Boundary Scan and complies with IEEE 1149.1 |
| MCM |
Multi Chip Module |
| MCU or µC |
Microcontroller Unit |
| μP |
Microprocessor |
| .NET |
.NET Framework, a standard Windows programming interface |
| Netlist |
A netlist is a text (ASCII) file that contains all the components and their electrical connections on a circuit board. |
| NRE |
Non-Recurring Engineering |
| NTRST |
Test Reset (Active low TAP Signal) |
| NVM |
Non-Volatile Memory |
| OE |
Output Enable |
| ODM |
‘Original Design Manufacturer’ of a product which ultimately will be branded by another firm for sale |
| OEM |
‘Original Equipment Manufacturer’ of a hardware component or sub-component.A company that sells products (including software) under its own label. |
| PCB |
Printed Circuit Board |
| PGA |
Pin Grid Array |
| PIO |
Programmable Input/Output |
| PLCC |
Plastic Leadless Chip Carrier |
| PLD |
Programmable Logic Device |
| PLL |
Phase Locked Loop |
| QFP |
Quad Flat Pack |
| RAM |
Random Access Memory |
| RS232 |
Recommended Standard 232 for serial binary single-ended data and control signals connecting between a DTE and a DCE |
| SMD |
Surface Mount Device |
| SMT |
Surface Mount Technology |
| SoC |
System-on-Chip |
| SOIC |
Small-Outline Integrated Circuit |
| SOJ |
Small-Outline J-Lead |
| SRAM |
Static Random Access Memory |
| SSRAM |
Synchronous Static Random Access Memory |
| STAPL |
Standard Test and Programming Language (JAM) |
| SVF |
Serial Vector Format |
| TAP |
Test Access Port (the 4- or 5-wire interface to a boundary scan device) |
| TCK |
Test Clock (TAP Signal) |
| TDI |
Test Data Input (TAP signal) |
| TDO |
Test Data Output (TAP signal) |
| TMS |
Test Mode Select (TAP signal) |
| TRST |
Test Reset (Active low TAP signal) |
| TSOP |
Thin Small-Outline Package |
| UART |
Universal Asynchronous Receiver/Transmitter |
| UUT |
Unit Under Test (can refer to components, boards, modules or systems) |
| VHDL |
VHSIC Hardware Description Language |
| VHSIC |
Very High Speed Integrated Circuit |
| VI |
Virtual Instrument – program written in National Instrument’s LabVIEW™ or other programming languages, to create user-defined hybrid test systems |
| VLSI |
Very Large Scale Integration |
| XJTAG |
A suite of software and hardware products aiding the development and test of electronic systems |