MOTOROLA MVME133-2 Thermocouple input module

If the pin inter-connect design is unknown, either measure the resistance between supply pins to determine the supply pin groups or treat each pin as a separate group. NOTE: If the resistance between any two pins is greater than 3 ohms, the pins should be placed into separate Supply Pin Groups. Table 2 is organized by the DUT’s N supply pin groups. The first N rows of Table 2 have one unique supply pin group tied to ground. When pins are not connected by a package plane, pins within a supply pin group shall be stressed individually (when connected to Terminal A). When tied to ground (Terminal B), as shown in Table 2, these pins shall all be grounded either individually or tied together at the test board level.

Supply Pins Connected by Package Plane.

 If a set of supply pins are connected by a package plane, as few as one pin (selected arbitrarily) from that set of pins may be used to represent the entire set as a supply pin group. The remaining pins in the set need not be stressed nor grounded and may be left floating during all testing.NOTE: For example, if a supply pin group of 25 pins consists of five pins connected by metal only at the die level and 12 additional pins connected with one package plane and another with eight pins connected with a second package plane, the group may be represented by the five die-level connected pins and at least one pin from each package plane connected sets.

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