An open collector/open drain is a common type of output found on many integrated circuits (IC) . Instead of outputting a signal of a specific voltage or current, the output signal is applied to the base of an internal NPN transistor whose collector is externalized (open) on a pin of the IC.
There were two categories for clothing in the Han Dynasty. They were either the Shenyi (or long coat developed in the Western Han Dynasty) or the Yijin (which makes up the front of the jacket/gown and can be made up of one or two pieces). Itâs been said though that a few people wore the Shenyi during the Eastern Han Dynasty.
What did the ancient Greeks wear in battle? The Ancient Greeks wore battle helmets that covered their entire neck and head. They also a chest plate and knee braces that covered their heart and legs from potential arrowsâ¦. They carried a round shield with a spear or sword to attack any hostile enemy that might mean harm.