Topic: Electronic Devices
Special handling precautions should be taken when working with MOS devices. The statement which is not true is
- A. All test equipment should be grounded.
- B. MOS devices should have their all leads shorted together during shipment and storage.
- C. Never remove or insert MOS devices with the power on.
- D. MOS devices do not require grounding straps used for CMOS.
Answer: D. MOS devices do not require grounding straps used for CMOS.
Explanation: All CMOS devices should be placed on ground bench surface and operators should ground themselves prior to handling devices, since a worker can be statically charged with respect to the bench surface. Wrist straps with skin are strongly recommended.