Resources Contact Us Home
Testing board for semiconductor memory, method of testing semiconductor memory and method of manufacturing semiconductor memory

Image Number 4 for United States Patent #7225372.

A testing circuit using ALPG is mounted in a testing board in which sockets for mounting semiconductor memories as devices to be tested in the board is mounted and a volatile memory for storing a data table for generating a random pattern is provided in the testing circuit so that a test using a test pattern having no regularity is performed using the data table in addition to a test using a test pattern having regularity generated by the ALPG.

  Recently Added Patents
Parameter decoding apparatus and parameter decoding method
Integrated circuit packaging system with laser hole and method of manufacture thereof
Process for recovering and recycling an acid catalyst
Mobile device case with storage compartment
Toner cartridge and image forming apparatus including the same
Specimen preparation device, and control method in specimen preparation device
Mobile device mode control based on dual mapping of availability (presence) information
  Randomly Featured Patents
Methods for verifying correct counter-bore depth and precision on printed circuit boards
Stall and recovery control system
Resin binders for foundry sand cores and molds
Method and structure for controlling an apparatus, such as a fuel injector, using electronic trimming
Machine tool with automatic tool-changing device
Structural proteins of fish pancreatic disease virus and uses thereof
Portable dual field gradient force multichannel flow cytometer device with a dual wavelength low noise detection scheme
Road curvature estimation system
Simulated neon-light tube
Method and apparatus for decoding information within a processing device