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DS162 Datasheet, PDF (7/73 Pages) Xilinx, Inc – Advance Product Specification
Spartan-6 FPGA Data Sheet: DC and Switching Characteristics
SelectIO™ Interface DC Input and Output Levels
Table 7: Recommended Operating Conditions for User I/Os Using Single-Ended Standards
I/O Standard
V, Min
VCCO for Drivers(1)
V, Nom
V, Max
V, Min
VREF for Inputs
V, Nom
V, Max
LVTTL
3.0
3.3
3.45
LVCMOS33
3.0
3.3
3.45
LVCMOS25
2.3
2.5
2.7
LVCMOS18
1.65
1.8
1.95
LVCMOS18_JEDEC
1.65
1.8
1.95
LVCMOS15
1.4
1.5
1.6
LVCMOS15_JEDEC
1.4
1.5
1.6
LVCMOS12
LVCMOS12_JEDEC
1.1
1.2
1.3
VREF is not used for these I/O standards
1.1
1.2
1.3
PCI33_3(2)
3.0
3.3
3.45
PCI66_3(2)
3.0
3.3
3.45
I2C
2.7
3.0
3.45
SMBUS
2.7
3.0
3.45
SDIO
3.0
3.3
3.45
MOBILE_DDR
1.7
1.8
1.9
HSTL_I
1.4
1.5
1.6
0.68
0.75
0.9
HSTL_II
1.4
1.5
1.6
0.68
0.75
0.9
HSTL_III
1.4
1.5
1.6
–
0.9
–
HSTL_I_18
1.7
1.8
1.9
0.8
0.9
1.1
HSTL_II_18
1.7
1.8
1.9
–
0.9
–
HSTL_III_18
1.7
1.8
1.9
–
1.1
–
SSTL3_I
3.0
3.3
3.45
1.3
1.5
1.7
SSTL3_II
3.0
3.3
3.45
1.3
1.5
1.7
SSTL2_I
2.3
2.5
2.7
1.13
1.25
1.38
SSTL2_II
2.3
2.5
2.7
1.13
1.25
1.38
SSTL18_I
1.7
1.8
1.9
0.833
0.9
0.969
SSTL18_II
1.7
1.8
1.9
0.833
0.9
0.969
SSTL15_II
1.425
1.5
1.575
0.69
0.75
0.81
Notes:
1. VCCO range required when using I/O standard for an output. Also required for PCI33_3, LVCMOS18_JEDEC, LVCMOS15_JEDEC, and
LVCMOS12_JEDEC inputs, and for LVCMOS25 inputs when VCCAUX = 3.3V.
2. For PCI systems, the transmitter and receiver should have common supplies for VCCO.
DS162 (v1.9) August 23, 2010
www.xilinx.com
Advance Product Specification
7