A quad flatpack and a SOIC package have the- same type of pins. TRUE FALSE Which
ID: 2080333 • Letter: A
Question
A quad flatpack and a SOIC package have the- same type of pins. TRUE FALSE Which of the following IC packages b not suitable for reflow soldering? SOIC BGA PLCC DIP Which of the following FSM types always have registered outputs? One-hot encoded Moore Mealy (b) and (c) only none of them have registered outputs Which of the following IC packages have pins that insert into holes in a printed circuit board? PLCC BGA SOIC PGA One of your fellow students says "A 44-pin SOIC package is probably smaller than a 44-pin quad flatpack package. " Do you agree? Yes, I agree. No, I don't agree. A Mealy FSM has the label "1/0" on an arc. What does that mean? If the input is a "1" transition and output a "0" if the input is a "0" transition and output a "1" That type of are label is not used with Mealy FSMsExplanation / Answer
5) TRUE.
the pins of both types are Surface Mount and have "Gull-Wing" leads, but the spacings are different
6) PLCC: Plastic Leaded Chip Carrier
It doesnot require any reflow soldering because it has a rectangular plasic housing. It can be installed in a socket
8) Ans: PGA
In pin grid array (PGA), the package is square or rectangular, and the pins are arranged in a regular array on the underside of the package. The pins are commonly spaced 2.54 mm (0.1") apart, and may or may not cover the entire underside of the package. PGAs are often mounted on printed circuit boards using the through hole method or inserted into a socket.
9) No, I dont agree.
Because QFP has pins on four sides and the spacing between pins is less than 1mm. but for SOICs, pins are only two sides and the spacing is around 1.27mm. So 44-pin QFP package is smaller than 44-Pin SOIP package