Operating Conditions
Figure 4–2. Transmitter Output Waveforms for Differential I/O Standards
Single-Ended Waveform
Positive Channel (p) = V
OH
V
OD
Negative Channel (n) = V
OL
V
CM
Ground
Differential Waveform
V
OD
p − n = 0 V
V
OD
Tables 4–10 through 4–33 recommend operating conditions,
DC operating conditions, and capacitance for 1.5-V Stratix
devices.
Table 4–10. 3.3-V LVDS I/O Specifications (Part 1 of 2)
Symbol
Parameter
Conditions
Minimum Typical Maximum
Unit
V
VCCIO
I/O supply voltage
3.135
300
3.3
3.465
1,000
VID (6)
Input differential voltage
swing (single-ended)
0.1 V ≤VCM < 1.1 V
W = 1 through 10
mV
1.1 V ≤VCM ≤1.6 V
W = 1
200
100
300
1,000
1,000
1,000
mV
mV
mV
1.1 V ≤VCM ≤1.6 V
W = 2 through10
1.6 V < VCM ≤1.8 V
W = 1 through 10
4–6
Altera Corporation
July 2005
Stratix Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
