DC & Switching Characteristics
Figure 6–2. 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
(Differential) = 2 x V (single-ended))
OD
V
OD
p − n = 0 V
V
OD
Tables 6–13 through 6–33 provide information about specifications and
bus hold parameters for 1.5-V Stratix GX devices. Notes for Tables 6–14
through 6–33 immediately follow Table 6–33.
Table 6–13. 3.3-V LVDS I/O Specifications (Part 1 of 2)
Symbol
Parameter
Conditions
Minimum Typical Maximum Units
VCCIO
VID (1)
I/O supply voltage
3.135
300
3.3
3.465
1,000
V
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 through 10
1.6 V < VCM < 1.8 V
W = 1 through 10
Altera Corporation
August 2005
6–13
Stratix GX Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
