XC2C256 CoolRunner-II CPLD
DS094 (v3.2) March 8, 2007 www.xilinx.com 23
Additional information is available for the following CoolRunner-II topics:
• XAPP784: Bulletproof CPLD Design Practices
• XAPP375: Timing Model
• XAPP376: Logic Engine
• XAPP378: Advanced Features
• XAPP382: I/O Characteristics
• XAPP389: Powering CoolRunner-II
• XAPP399: Assigning VREF Pins
To access these and all application notes with their associ-
ated reference designs, click the following link and scroll
down the page until you find the document you want:
CoolRunner-II Data Sheets and Application Notes
The following table shows the revision history for this document.
Date Version Revision
05/09/02 1.0 Initial Xilinx release.
05/13/02 1.1 Updated AC Electrical Characteristics and added new parameters.
10/31/02 1.2 Corrected package user I/O, added Voltage Referenced DC tables.
03/17/03 2.0 Added Characterization numbers for product release and device part marking
04/02/03 2.1 Updated T
max from 260 to 220. Changed I
units from mA to μA.
01/26/04 2.2 Updated Device Part Marking. Updated links and Tsol.
02/26/04 2.3 Corrected Theta JC value on XC2C256-7TQ144.
08/03/04 2.4 Pb-free documentation
08/19/04 2.5 Changes to I
maximum specifications in DC Electrical Characteristics table, on page 3.
10/01/04 2.6 Add Asynchronous Preset/Reset Pulse Width specification to AC Electrical Characteristics.
03/07/05 2.7 Removed -5 speed grade. Changes to Table 1, I/O Standards.
06/28/05 2.8 Move to Product Specification. Change to T
, and T
for -7 speed
03/20/06 2.9 Add Warranty Disclaimer. Add note to Pin Description table that
GTS, GSR and GCK pins can
be used for general purpose I/O.
5/20/06 3.0 Moved T
specification values from MIN column to MAX column, page 7.
02/15/07 3.1 Corrections to timing parameters t
, and f
for -6 speed grade. Corrections to t
, and t
for the -7 speed grade. Values now match the software. There were no changes to silicon
or characterization. Change to V
specification for 2.5V and 1.8V LVCMOS.
03/08/07 3.2 Fixed typo in note for V
for LVCMOS18; removed note for V