6–14
Altera Corporation
Stratix GX Device Handbook, Volume 1
June 2006
Operating Conditions
bus hold parameters for 1.5-V Stratix GX devices. Notes for
Tables 6–14Table 6–13. 3.3-V LVDS I/O Specifications
Symbol
Parameter
Conditions
Minimum
Typical
Maximum
Units
VCCIO
I/O supply voltage
3.135
3.3
3.465
V
Input differential voltage
swing (single-ended)
0.1 V < VCM < 1.1 V
W = 1 through 10
300
1,000
mV
1.1 V < VCM < 1.6 V
W = 1
200
1,000
mV
1.1 V < VCM < 1.6 V
W = 2 through 10
100
1,000
mV
1.6 V < VCM < 1.8 V
W = 1 through 10
300
1,000
mV
Input common-mode
voltage
LVDS
0.3 V < VID < 1.0 V
W = 1 through 10
100
1,100
mV
LVDS
0.3 V < VID < 1.0 V
W = 1 through 10
1,600
1,800
mV
LVDS
0.2 V < VID < 1.0 V
W = 1
1,100
1,600
mV
LVDS
0.1 V < VID < 1.0 V
W = 2 through 10
1,100
1,600
mV
VOD
Differential output voltage
(single ended)
RL = 100
Ω
250
375
550
mV
ΔV
OD
Change in VOD between
high and low
RL = 100
Ω
50
mV
VOCM
Output common-mode
voltage
RL = 100
Ω
1,125
1,200
1,375
mV
ΔV
OCM
Change in VOCM between
high and low
RL = 100
Ω
50
mV
RL
Receiver differential input
resistor, external
90
100
110
Ω
(1)
For up to 1 Gbps in DPA mode and 840 Mbps in non-DPA mode