DC & Switching Characteristics
Table 6–14. 3.3-V PCML Specifications
Symbol
Parameter
Conditions
Minimum Typical Maximum Units
VCCIO
I/O supply voltage
3.135
300
3.3
3.465
600
V
VID
Input differential voltage
swing (single-ended)
mV
VICM
VOD
Input common mode
voltage
1.5
3.465
500
50
V
Output differential voltage
(single-ended)
300
370
mV
mV
V
ΔVOD
VOCM
ΔVOCM
Change in VOD between
high and low
Output common mode
voltage
2.5
2.85
3.3
Change in VOCM between
high and low
50
mV
VT
R1
Output termination voltage
VCCIO
50
V
Output external pull-up
resistors
45
45
55
55
Ω
R2
Output external pull-up
resistors
50
Ω
Table 6–15. LVPECL Specifications
Symbol
Parameter
Conditions
Minimum Typical Maximum Units
VCCIO
I/O supply voltage
3.135
300
3.3
3.465
1,000
V
VID
Input differential voltage
swing (single-ended)
mV
VICM
VOD
VOCM
RL
Input common mode
voltage
1
2
V
mV
V
Differential output voltage RL = 100 Ω
(single ended)
525
1.5
90
700
1.7
970
1.9
110
Output common mode
voltage
RL = 100 Ω
Receiver differential input
resistor, external
100
Ω
Altera Corporation
June 2006
6–15
Stratix GX Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
