JPS5689064A - Testing apparatus - Google Patents
Testing apparatusInfo
- Publication number
- JPS5689064A JPS5689064A JP16555779A JP16555779A JPS5689064A JP S5689064 A JPS5689064 A JP S5689064A JP 16555779 A JP16555779 A JP 16555779A JP 16555779 A JP16555779 A JP 16555779A JP S5689064 A JPS5689064 A JP S5689064A
- Authority
- JP
- Japan
- Prior art keywords
- unit
- testing apparatus
- units
- timing signal
- cables
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
PURPOSE: To correct the delay time generated by connected cables, unit by unit, by transmitting a check timing signal up to the units in the same manner as for a control signal and returning it to the testing apparatus side.
CONSTITUTION: Units 14W16 packaged with printed circuit boards 25 as the devices to be tested are housed in an aging chamber 2 and the respective units 14W 16 are connected to a testing apparatus 1 by means of cables. After the test data are sent to each unit through a control line 30, they are returned to the testing apparatus 1, and the signal from a timing signal generating part 18 is also returned by passing through the inside of the units. By the timing signal thereof, the test data are compared in a comparator 20. Hence, it may be made into the check timing signal corrected of the delay time of the signals by the cables and the need for making the unit-by-unit timing signals may be eliminated.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16555779A JPS5689064A (en) | 1979-12-21 | 1979-12-21 | Testing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16555779A JPS5689064A (en) | 1979-12-21 | 1979-12-21 | Testing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5689064A true JPS5689064A (en) | 1981-07-20 |
Family
ID=15814618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16555779A Pending JPS5689064A (en) | 1979-12-21 | 1979-12-21 | Testing apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5689064A (en) |
-
1979
- 1979-12-21 JP JP16555779A patent/JPS5689064A/en active Pending
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