XC3S250E-4FTG256C Xilinx Inc, XC3S250E-4FTG256C Datasheet - Page 140

• Manufacturer Part Number: XC3S250E-4FTG256C
• Description: IC SPARTAN-3E FPGA 250K 256-FTBG
• Manufacturer: Xilinx Inc
• Series: Spartan™-3Er

Specifications of XC3S250E-4FTG256C

• Total Ram Bits: 221184
• Number Of Logic Elements/cells: 5508
• Number Of Labs/clbs: 612
• Number Of I /o: 172
• Number Of Gates: 250000
• Voltage - Supply: 1.14 V ~ 1.26 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 256-LBGA
• No. Of Logic Blocks: 5508
• No. Of Gates: 250000
• No. Of Macrocells: 5508
• No. Of Speed Grades: 4
• No. Of I/o's: 190
• Clock Management: DLL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 122-1482

DC and Switching Characteristics
Clock Buffer/Multiplexer Switching Characteristics
Table 101: Clock Distribution Switching Characteristics
140
Global clock buffer (BUFG, BUFGMUX, BUFGCE) I input to O-output delay
Global clock multiplexer (BUFGMUX) select S-input setup to I0 and I1
inputs. Same as BUFGCE enable CE-input
Frequency of signals distributed on global buffers (all sides)
Description
www.xilinx.com
Symbol
F
T
T
BUFG
GIO
GSI
1.46
0.55
333
Speed Grade
-5
DS312-3 (v3.8) August 26, 2009
Maximum
Product Specification
1.46
0.63
311
-4
Units
MHz
ns
ns
R