DC & Switching Characteristics
Table 5–5. LVTTL Specifications (Part 2 of 2)
Symbol
Parameter
Conditions
Minimum
Maximum
Unit
VOL
Low-level output voltage
IOL = 4 mA (2)
0.45
V
Notes to Tables 5–5:
(1) Stratix II devices comply to the narrow range for the supply voltage as specified in the EIA/JEDEC Standard,
JESD8-B.
(2) This specification is supported across all the programmable drive strength settings available for this I/O standard
as shown in the Stratix II Architecture chapter in volume 1 of the Stratix II Device Handbook.
Table 5–6. LVCMOS Specifications
Symbol
VCCIO (1)
VIH
Parameter
Output supply voltage
High-level input voltage
Low-level input voltage
High-level output voltage
Conditions
Minimum
3.135
1.7
Maximum
3.465
4.0
Unit
V
V
VIL
–0.3
0.8
V
VOH
VCCIO = 3.0,
V
CCIO – 0.2
V
IOH = –0.1 mA (2)
VOL
Low-level output voltage
VCCIO = 3.0,
0.2
V
IOL = 0.1 mA (2)
Notes to Table 5–6:
(1) Stratix II devices comply to the narrow range for the supply voltage as specified in the EIA/JEDEC Standard,
JESD8-B.
(2) This specification is supported across all the programmable drive strength available for this I/O standard as
shown in the Stratix II Architecture chapter in volume 1 of the Stratix II Device Handbook.
Table 5–7. 2.5-V I/O Specifications
Symbol
VCCIO (1)
VIH
Parameter
Output supply voltage
High-level input voltage
Low-level input voltage
High-level output voltage
Conditions
Minimum
2.375
1.7
Maximum
2.625
4.0
Unit
V
V
VIL
–0.3
0.7
V
IOH = –1mA (2)
IOL = 1 mA (2)
2.0
V
VOH
VOL
Low-level output voltage
0.4
V
Notes to Table 5–7:
(1) Stratix II devices VCC IO voltage level support of 2.5 -5% is narrower than defined in the Normal Range of the
EIA/JEDEC standard.
(2) This specification is supported across all the programmable drive settings available for this I/O standard as shown
in the Stratix II Architecture chapter in volume 1 of the Stratix II Device Handbook.
Altera Corporation
April 2011
5–5
Stratix II Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
