XC3S100E Xilinx Corp., XC3S100E Datasheet - Page 126

• Manufacturer Part Number: XC3S100E
• Description: Spartan-3e Fpga Family Complete Data Sheet
• Manufacturer: Xilinx Corp.

DC and Switching Characteristics
Differential I/O Standards
Table 81: Recommended Operating Conditions for User I/Os Using Differential Signal Standards
126
Notes:
1.
2.
LVDS_25
BLVDS_25
MINI_LVDS_25
LVPECL_25
RSDS_25
DIFF_HSTL_I_18
DIFF_HSTL_III_18
DIFF_SSTL18_I
DIFF_SSTL2_I
The V
V
IOSTANDARD
REF
Attribute
inputs are not used for any of the differential I/O standards.
CCO
(2)
rails supply only differential output drivers, not input circuits.
Internal
GND level
Min (V)
2.375
2.375
2.375
2.375
Logic
1.7
1.7
1.7
2.3
V
V
V
CCO
INN
INP
Inputs Only
Nom (V)
for Drivers
V
2.50
2.50
2.50
2.50
1.8
1.8
1.8
2.5
Figure 70: Differential Input Voltages
ICM
V
ID
= Input common mode voltage =
= Differential input voltage = V
50%
(1)
Max (V)
2.625
2.625
2.625
2.625
1.9
1.9
1.9
2.7
V
www.xilinx.com
ICM
(mV)
Min
100
100
200
100
100
100
100
100
100
V
V
V
INP
ID
INN
Nom
(mV)
350
350
800
200
V
INP
-
-
-
-
-
ID
V
INP
- V
N
P
INN
+ V
2
INN
DS099-3_01_012304
Differential
(mV)
1000
I/O Pair Pins
Max
600
600
600
-
-
-
-
-
Min (V)
0.30
0.30
0.30
0.5
0.3
0.8
0.8
0.7
1.0
DS312-3 (v3.6) May 29, 2007
Product Specification
Nom (V)
V
1.25
1.25
1.20
1.2
ICM
-
-
-
-
-
Max (V)
2.20
2.20
2.2
2.0
1.4
1.1
1.1
1.1
1.5
R