Chapter 3: DC and Switching Characteristics for MAX V Devices 3–7
Operating Conditions
May 2011 Altera Corporation MAX V Device Handbook
Table 3–9. 1.5-V I/O Specifications for MAX V Devices
Symbol Parameter Conditions Minimum Maximum Unit
V
CCIO
I/O supply voltage — 1.425 1.575 V
V
IH
High-level input voltage — 0.65 × V
CCIO
V
CCIO
+ 0.3 (2) V
V
IL
Low-level input voltage — –0.3 0.35 × V
CCIO
V
V
OH
High-level output voltage IOH = –2 mA (1) 0.75 × V
CCIO
—V
V
OL
Low-level output voltage IOL = 2 mA (1) —0.25 × V
CCIO
V
Notes to Table 3–9:
(1) This specification is supported across all the programmable drive strength settings available for this I/O standard, as shown in the
MAX V Device Architecture chapter.
(2) This maximum V
IH
reflects the JEDEC specification. The MAX V input buffer can tolerate a V
IH
maximum of 4.0, as specified by the V
I
parameter
in Table 3–2 on page 3–2.
Table 3–10. 1.2-V I/O Specifications for MAX V Devices
Symbol Parameter Conditions Minimum Maximum Unit
V
CCIO
I/O supply voltage — 1.14 1.26 V
V
IH
High-level input voltage — 0.8 × V
CCIO
V
CCIO
+0.3 V
V
IL
Low-level input voltage — –0.3 0.25 × V
CCIO
V
V
OH
High-level output voltage IOH = –2 mA (1) 0.75 × V
CCIO
—V
V
OL
Low-level output voltage IOL = 2 mA (1) —0.25×V
CCIO
V
Note to Table 3–10:
(1) This specification is supported across all the programmable drive strength settings available for this I/O standard, as shown in the
MAX V Device Architecture chapter.
Table 3–11. 3.3-V PCI Specifications for MAX V Devices (Note 1)
Symbol Parameter Conditions Minimum Typical Maximum Unit
V
CCIO
I/O supply voltage — 3.0 3.3 3.6 V
V
IH
High-level input voltage — 0.5 × V
CCIO
—V
CCIO
+ 0.5 V
V
IL
Low-level input voltage — –0.5 — 0.3 × V
CCIO
V
V
OH
High-level output voltage IOH = –500 µA 0.9 × V
CCIO
——V
V
OL
Low-level output voltage IOL = 1.5 mA — — 0.1 × V
CCIO
V
Note to Table 3–11:
(1) 3.3-V PCI I/O standard is only supported in Bank 3 of the 5M1270Z and 5M2210Z devices.
Table 3–12. LVDS Specifications for MAX V Devices (Note 1)
Symbol Parameter Conditions Minimum Typical Maximum Unit
V
CCIO
I/O supply voltage — 2.375 2.5 2.625 V
V
OD
Differential output voltage swing — 247 — 600 mV
V
OS
Output offset voltage — 1.125 1.25 1.375 V
Note to Table 3–12:
(1) Supports emulated LVDS output using a three-resistor network (LVDS_E_3R).
