发明名称 APPARATUS AND METHOD FOR CORRECTING OUTPUT SIGNAL OF FPGA-BASED MEMORY TEST DEVICE
摘要 An apparatus and method for correcting an output signal of an FPGA-based memory test device includes a clock generator for outputting clock signals having different phases; and a pattern generator for outputting an address signal, a data signal and a clock signal in response to the clock signals input from the clock generator, and correcting a timing of each of the output signals using flip flops for timing measurement. Wherein the address signal, the data signal and the clock signal, through a pattern generator, are implemented with a programmable logic such as FPGA, thereby shortening the correcting time without the use of an external delay device, and increasing accuracy of output timing of the signal for memory testing, ultimately enhancing performance (accuracy) of a memory tester.
申请公布号 US2015035561(A1) 申请公布日期 2015.02.05
申请号 US201414446482 申请日期 2014.07.30
申请人 UNITEST INC. 发明人 YOU Ho Sang
分类号 H03K19/003;H03K19/177 主分类号 H03K19/003
代理机构 代理人
主权项 1. An apparatus for correcting an output signal of an FPGA (Field Programmable Gate Array)-based memory test device, comprising: a clock generator for outputting clock signals having different phases; and a pattern generator for outputting an address signal, a data signal and a clock signal in response to the clock signals input from the clock generator, the signals being output by correcting timing of each of the output signals using flip flops for timing measurement.
地址 Gyeonggi-do KR