如下图所示,Boundary Scan 技术,主要是在每个PAD 的附近加入Boundary-Scan cell,每个boundary scan cell 中都包含一个shift register,这个触发器可以加载或捕获数据,从而使得每个PAD都可以被controlled和observed。 下图是boundaryScanCell(BC)结构的一个简单示例。 Boundary scan cell(BC) example 这种BoundaryScanCell可用...
边界扫描(Boundary scan )是一项测试技术,是在传统的在线测试不在适应大规模,高集成电路测试的情况下而提出的,就是在IC设计的过程中在IC的内部逻辑和每个器件引脚间放置移位寄存器(shift register).每个移位寄存器叫做一个CELL。这些CELL准许你去控制和观察每个输入/输出引脚的状态 。当这些CELL连在一起就形成了一个...
网络边界扫描单元;边际扫瞄单元;扫描组件
边界扫描(Boundary scan )是一项测试技术,是在传统的在线测试不在适应大规模,高集成电路测试的情 况下而提出的,就是在 IC 设计的过程中在 IC 的内部逻辑和每个器件引脚间放置移位寄存器(shift register).每个移位寄存器叫做一个 CELL。这些 CELL 准许你去控制和观察每个输入/输出引脚的状态。当这些 CELL 连在一...
BOUNDARY SCAN CELLPURPOSE: To reduce the number of gates by simplifying the structure of a boundary scan call.SAITO SHOICHI齊藤 正一MIYATA TAKUO宮田 拓雄
A complementary boundary-scan cell arrangement includes a plurality of system input terminals supplied with signals from the system side, a corresponding number of scan input terminals, a corresponding number of registers supplied with signals inputted to the system input terminals or the scan input te...
A Boundary-Scan register (BSR) cell including a bypass circuit for selectively routing data signals around the data shift register of the BSR cell so that the BSR cell can be effectively removed from a BSR chain during Boundary-Scan Test procedures involving IEEE Standard 1149.1 compliant integrate...
--..."216 (BC_1, *, CONTROL, 1),"&"215 (BC_1, PC13, OUTPUT3, X, 216, 1, Z),"&"214 (BC_4, PC13, INPUT, X),"& Snippet 6. Boundary Scan Cell Structure from [9.] line 189 Based on Snippet 6, for SAMPLE/PRELOAD
Boundary scan cell 专利名称:Boundary scan cell 发明人:Feger, William Edgar,Rutkowski, Paul William 申请号:EP94305137.5 申请日:19940713 公开号:EP0636896A1 公开日:19950201 专利内容由知识产权出版社提供 专利附图:摘要:A Boundary-Scan cell (12') for facilitating testing of an electronic device...
--..."216 (BC_1, *, CONTROL, 1),"&"215 (BC_1, PC13, OUTPUT3, X, 216, 1, Z),"&"214 (BC_4, PC13, INPUT, X),"& Snippet 6. Boundary Scan Cell Structure from [9.] line 189 Based on Snippet 6, for SAMPLE/PRELOAD