R
XA Spartan-3E FPGAs support the following differential
standards:
•
•
•
Differential HSTL (1.8V, Types I and III)
Differential SSTL (2.5V and 1.8V, Type I)
2.5V LVPECL inputs
•
•
•
•
LVDS
Bus LVDS
mini-LVDS
RSDS
Table 2: Available User I/Os and Differential (Diff) I/O Pairs
Package
VQG100
16 x 16
CPG132
8 x 8
TQG144
22 x 22
PQG208
28 x 28
FTG256
17 x 17
FGG400
21 x 21
FGG484
23 x 23
Size (mm)
Device
User
Diff
User
Diff
User
Diff
User
Diff
User
Diff
User
Diff
User
Diff
66
(7)
30
(2)
83
(11)
35
(2)
108
(28)
40
(4)
XA3S100E
XA3S250E
XA3S500E
XA3S1200E
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
66
(7)
30
(2)
92
(7)
41
(2)
108
(28)
40
(4)
158
(32)
65
(5)
172
(40)
68
(8)
-
-
92
(7)
41
(2)
158
(32)
65
(5)
190
(41)
77
(8)
-
-
-
-
-
-
-
-
-
-
-
-
190
(40)
77
(8)
304
(72)
124
(20)
-
-
-
-
-
-
-
-
304
(72)
124
(20)
376
(82)
156
(21)
XA3S1600E
Notes:
-
-
1. All XA Spartan-3E devices provided in the same package are pin-compatible as further described in Module 4: Pinout Descriptions of
DS312.
2. The number shown in bold indicates the maximum number of I/O and input-only pins. The number shown in (italics) indicates the number
of input-only pins.
DS635 (v2.0) September 9, 2009
www.xilinx.com
Product Specification
4
XILINX [ XILINX, INC ]
