XC3S400AN-4FTG256I Xilinx Inc, XC3S400AN-4FTG256I Datasheet - Page 18

• Manufacturer Part Number: XC3S400AN-4FTG256I
• Description: IC FPGA SPARTAN-3AN 256FTBGA
• Manufacturer: Xilinx Inc
• Series: Spartan™-3ANr

Specifications of XC3S400AN-4FTG256I

• Number Of Logic Elements/cells: 8064
• Number Of Labs/clbs: 896
• Total Ram Bits: 368640
• Number Of I /o: 195
• Number Of Gates: 400000
• Voltage - Supply: 1.14 V ~ 1.26 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 256-LBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Chapter 2: In-System Flash Memory Architecture
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23
0
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0
22
0
22
0
21
0
21
Address
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Sector
20
Address
Sector
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19
•
Figure 2-4: Default Addressing Mode for XC3S700AN FPGA
Block Address
Figure 2-5: Default Addressing Mode, XC3S1400AN FPGA
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18
Counters, to track the number of program/erase cycles per page.
Block Address
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17
Page Address
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Page Address
16
Flash Memory Array
Flash Memory Array
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15
Page n
Page 2
Page 1
Page 0
14
Page n
Page 2
Page 1
Page 0
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13
13
www.xilinx.com
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11
11
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9
9
8
8
eXtended Byte Address
Spartan-3AN FPGA In-System Flash User Guide
0 = 512-byte region
1 = “Extra” 16-byte region
7
Byte Address in Page
7
eXtended Byte Address
“Extra”
“Extra”
Byte Address in Page
0 = 256-byte region
1 = “Extra” 8-byte region
6
6
5
5
4
4
Page
Page
UG333 (v2.1) January 15, 2009
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3
Power-of-2
Power-of-2
2
2
1
UG333_c2_02_022107
1
UG333_c2_04_111808
0
0
R