XC2S400E-6FTG256C Xilinx Inc, XC2S400E-6FTG256C Datasheet - Page 44

• Manufacturer Part Number: XC2S400E-6FTG256C
• Description: FPGA Spartan®-IIE Family 400K Gates 10800 Cells 357MHz 0.15um Technology 1.8V 256-Pin FTBGA
• Manufacturer: Xilinx Inc

Specifications of XC2S400E-6FTG256C

• Package: 256FTBGA
• Family Name: Spartan®-IIE
• Device Logic Cells: 10800
• Device Logic Units: 2400
• Device System Gates: 400000
• Maximum Internal Frequency: 357 MHz
• Typical Operating Supply Voltage: 1.8 V
• Maximum Number Of User I/os: 182
• Ram Bits: 163840
• Case: BGA
• Dc: 04+

Spartan-IIE FPGA Family: DC and Switching Characteristics
44
Output Jitter: the difference between an ideal
reference clock edge and the actual design.
Period Tolerance: the allowed input clock period change in nanoseconds.
Ideal Period
Actual Period
T
CLKIN
=
F CLKIN
1
Figure 22: Period Tolerance and Clock Jitter
www.xilinx.com
T CLKIN + T IPTOL
Phase Offset and Maximum Phase Difference
_
+/- Jitter
+ Maximum
+ Phase Offset
Phase Difference
DS077-3 (v2.3) June 18, 2008
Product Specification
DS001_52_090800
R