XC3S250E-4FT256I Xilinx Inc, XC3S250E-4FT256I Datasheet - Page 200

• Manufacturer Part Number: XC3S250E-4FT256I
• Description: FPGA Spartan®-3E Family 250K Gates 5508 Cells 572MHz 90nm (CMOS) Technology 1.2V 256-Pin FTBGA
• Manufacturer: Xilinx Inc
• Series: Spartan™-3Er

Specifications of XC3S250E-4FT256I

• Package: 256FTBGA
• Family Name: Spartan®-3E
• Device Logic Cells: 5508
• Device Logic Units: 612
• Device System Gates: 250000
• Number Of Registers: 4896
• Maximum Internal Frequency: 572 MHz
• Typical Operating Supply Voltage: 1.2 V
• Maximum Number Of User I/os: 172
• Ram Bits: 221184
• Number Of Logic Elements/cells: 5508
• Number Of Labs/clbs: 612
• Total Ram Bits: 221184
• Number Of I /o: 172
• Number Of Gates: 250000
• 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: Contains lead / RoHS non-compliant

Pinout Descriptions
User I/Os by Bank
Table
able user-I/O pins are distributed between the four I/O
banks on the FT256 package.
Table 144: User I/Os Per Bank on XC3S250E in the FT256 Package
Table 145: User I/Os Per Bank on XC3S500E in the FT256 Package
.
Table 146: User I/Os Per Bank on XC3S1200E in the FT256 Package
200
Notes:
1.
2.
Notes:
1.
2.
Notes:
1.
2.
Top
Right
Bottom
Left
TOTAL
Top
Right
Bottom
Left
TOTAL
Top
Right
Bottom
Left
TOTAL
Package
Package
Package
Some VREF and CLK pins are on INPUT pins.
The eight global clock pins in this bank have optional functionality during configuration and are counted in the DUAL column.
Some VREF and CLK pins are on INPUT pins.
The eight global clock pins in this bank have optional functionality during configuration and are counted in the DUAL column.
Some VREF and CLK pins are on INPUT pins.
The eight global clock pins in this bank have optional functionality during configuration and are counted in the DUAL column.
Edge
Edge
Edge
144,
Table
145, and
I/O Bank
I/O Bank
I/O Bank
0
1
2
3
0
1
2
3
0
1
2
3
Table 146
Maximum
Maximum
Maximum
172
190
190
indicate how the avail-
I/O
I/O
I/O
44
42
44
42
46
48
48
48
46
48
48
48
I/O
I/O
I/O
20
10
24
62
22
15
11
28
76
24
14
13
27
78
8
www.xilinx.com
The XC3S250E FPGA in the FT256 package has 18 uncon-
nected balls, labeled with an “N.C.” type. These pins are
also indicated with the black diamond ( ) symbol in
Figure
INPUT
INPUT
INPUT
10
33
10
33
31
7
9
7
7
9
7
8
8
7
8
All Possible I/O Pins by Type
All Possible I/O Pins by Type
All Possible I/O Pins by Type
86.
DUAL
DUAL
DUAL
21
24
46
21
24
46
21
24
46
1
0
1
0
1
0
DS312-4 (v3.8) August 26, 2009
VREF
VREF
VREF
15
19
19
5
4
3
3
5
5
4
5
5
5
4
5
(1)
Product Specification
(1)
(1)
CLK
CLK
CLK
0
0
0
0
0
0
16
16
16
8
8
(2)
(2)
8
8
8
8
(2)
(2)
(2)
(2)
(1)
(1)
(1)
R