1991-11-20
1995-03-14
Beausoliel, Jr., Robert W.
Excavating
G06F 1100, G01R 3128
Patent
active
053982525
ABSTRACT:
An integrated circuit tester uses the information compared between a test executed result and an expected value, for the operation of a driver, which applies test patterns to a device under test. Once a test executed result obtained from the device is compared with an expected value, the compared information is fedback to the driver so as to specify, for example, test cycles and test patterns. Therefore, in an evaluation of maximum operating frequencies, the failure which occurs in the (n+1)th lower frequency can be effectively observed without being masked by other failures which occur in the nth lower frequency or less.
REFERENCES:
patent: 4493045 (1985-01-01), Hughes, Jr.
patent: 4773071 (1988-09-01), Nielsen
patent: 5144225 (1992-09-01), Talbot et al.
Beausoliel, Jr. Robert W.
Chung Phung
Kabushiki Kaisha Toshiba
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