EP3C16F256I7N Altera, EP3C16F256I7N Datasheet - Page 445

• Manufacturer Part Number: EP3C16F256I7N
• Description: Cyclone III
• Manufacturer: Altera

Cyclone III Device Datasheet: DC & Switching Characteristics
Figure 1–5. I/O Interface with Three External Output Resistor Network
Altera Corporation-Preliminary
March 2007
3.3-V LVTTL
3.3-V LVCMOS
3.0-V LVTTL
3.0-V LVCMOS
2.5-V LVTTL/LVCMOS
1.8-V LVTTL/LVCMOS
1.5-V LVTTL/LVCMOS
1.2-V LVTTL/LVCMOS
3.0-V PCI
3.0-V PCI-X
SSTL-2 Class I
SSTL-2 Class II
SSTL-18 Class I
SSTL-18 Class II
1.8-V HSTL Class I
1.8-V HSTL Class II
1.5-V HSTL Class I
1.5-V HSTL Class II
1.2-V HSTL CLASS I
1.2-V HSTL CLASS II
Table 1–41. Output Timing Measurement Methodology for Output Pins (1), (2), (4),
1 of 2)
Differential Outputs
I/O Standard
R
R
R
S
S
S
25
25
25
25
50
25
50
(Ω)
(50 || 50)
R
T
50
25
50
25
50
25
50
25
50
25
(Ω)
R
P
R
D
Loading and Termination
(Ω)
R
P
Z = 50 Ω
Z = 50 Ω
(Ω)
V
CCIO
3.135
3.135
2.375
1.425
2.375
2.375
1.425
1.425
2.85
2.85
1.71
1.15
2.85
2.85
1.71
1.71
1.71
1.71
1.15
1.15
(V)
V
1.1875
1.1875
0.7125
0.7125
0.855
0.855
0.855
0.855
0.575
0.575
TT
(V)
R
(5)
D
Cyclone III Handbook
Differential Inputs
C
L
(Part
10
10
(pF)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Measurement
Preliminary
V
1.1875
0.7125
0.7125
0.7125
1.5675
1.5675
1.1875
1.1875
MEAS
1.425
1.425
0.855
0.575
1.425
1.425
0.855
0.855
0.855
0.855
0.575
0.575
Point
1–35
(V)