Answers Database

XC2000/XC3000/XC4000/XC5200: Device/Package Marking information.


Record #1067

Problem Title:
XC2000/XC3000/XC4000/XC5200: Device/Package  Marking information.


Problem Description:
Define device marking.


Solution 1:

Serial PROMS - TOP Marking

08/96 the Top marking template is :

	1765DPC
       \\/ 242789
       //\

Line 1 : Product Name Code : 8 Characters, the 5 or 6 (1765D)
	characters shall designate the Product name without the
	'XC'. The product name is followed by the single
	 character Prom package designator.  The last letter is
	 temperature range (eg: M, I, C).

Line 2 : 6 numerics character preceded by the 'X' in the Xilinx
	Logo. The first numeric character after the 'X' shall
	designate the last digit of the year in which the
	product was assembled, the next 2 numeric character
	shall serve as the work-week identifier. The 3 last
	characters are the last 3 digits of the Ingres Assembly
	number for the lot.

Line 3: Is usually left blank for cusotmer PROM designator
	marking.




Solution 2:


6/15/96 : the template for the xilinx device marking is  :

  / 7\'7
   \ \ `   \/ | |  | |\ | \/ R
   / /	   /\ | |_ | | \| /\
  \_\/.\

  XC4003E
  PC84BSG9610
  X09856M

  3C

Line 1 : Device name with trade mark and trade mark registered status.

Line2  : Package type and pin count (PC84), circuit design
revision (B), the location code for the wafer fab (S), the
geometry code (G), date code (9610).

Line 3 : 7 alpha numeric characters : Assembly and Mark number.

Line 4 : Device speed  (5), temperature range (C). If a grade is not marked on t
he package the product will be considered a
commercial grade.




Solution 3:

Serial PROMs manufactured at Nippon-Denso, has following markings:


Line 1: Date code in the format YYWW where YY is the last two
	digits of the calendar year and WW is the work week of
	that year.  Assembly sublot within the same week may be
	differentiated by the alpha character following the
	date code sequentially starting with A for the first
	sublot of the week.  Date codes without the alphabet
	designator imply that there was only one lot that week.


Line 2: The second line shall consist of the product name (XC
	excluded) with or without a Temperature Range Code
	appended.  Commercial products may be marked with or
	without the "C" temp range.


Line 3: The last line will have shadowed "X" for Xilinx logo
	followed by "JAPAN" for country of origin.



End of Record #1067