| 摘要 |
A loading device for use in a tester for testing a semiconductor integrated circuit device (DUT) includes a programmable voltage source for providing a selected voltage at an output terminal thereof and multiple resistive elements each having at least a first state, in which the resistive element is conductive, and a second state, in which the resistive element is substantially non-conductive. The resistive elements are connected as a two-terminal network between the output terminal of the programmable voltage source and a tester pin for connection to a pin of the DUT. A selection device selects the state of each resistive element, whereby the resistance between the output terminal of the programmable voltage source and the tester pin can be selectively varied.
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