User manual

2–6 Chapter 2: USB-Blaster Specifications
Operating Conditions
USB-Blaster Download Cable User Guide © April 2009 Altera Corporation
V
OH
5.0-V high-level
output voltage
V
CC(TRGT)
= 4.5 V, I
OH
=1mA 4.4 V
3.3-V high-level
output voltage
V
CC(TRGT)
= 3.0 V, I
OH
=1mA 2.9 V
2.5-V high-level
output voltage
V
CC(TRGT)
= 2.375 V,
I
OH
=1mA
2.275 V
1.8-V high-level
output voltage
V
CC(TRGT)
= 1.71 V, I
OH
= 1 mA 1.61 V
1.5-V high-level
output voltage
V
CC(TRGT)
= 1.43 V, IOH = 1 mA 1.33 V
V
OL
5.0-V low-level
output voltage
V
CC(TRGT)
= 5.5 V, I
OL
= 1 mA 0.125 V
3.3-V low-level
output voltage
V
CC(TRGT)
= 3.6 V, I
OL
= 1 mA 0.125 V
2.5-V low-level
output voltage
V
CC(TRGT)
= 2.625 V, I
OL
= 1 mA 0.125 V
1.8-V low-level
output voltage
V
CC(TRGT)
= 1.89 V, I
OL
= 1 mA 0.125 V
1.5-V low-level
output voltage
V
CC(TRGT)
= 1.57 V, IOL = 1 mA 0.125 V
I
CC(TRGT)
Operating current
(No Load)
(Typical I
CC(TRGT)
= 16 uA) 100 uA
Table 2–6. USB-Blaster Cable (Rev. C) DC Operating Conditions
Symbol Parameter Conditions Min Max Unit
V
IH
High-level input voltage V
CC(TRGT)
>= 2.0 V 2.0 V
V
CC(TRGT)
< 2.0 V V
CC(TRGT)
V
V
IL
Low-level input voltage V
CC(TRGT)
>= 2.0 V 0.8 V
V
CC(TRGT)
< 2.0 V 0 V
V
OH
5.0-V high-level output
voltage
V
CC(TRGT)
= 4.5 V, I
OH
= -10 mA 3.8 V
3.3-V high-level output
voltage
V
CC(TRGT)
= 3.0 V, I
OH
=-8mA 2.3 V
2.5-V high-level output
voltage
V
CC(TRGT)
= 2.375 V, I
OH
=-6mA 1.8 V
1.8-V high-level output
voltage
V
CC(TRGT)
= 1.71 V, I
OH
=-4mA 1.2 V
Table 2–5. USB-Blaster Cable (Rev. A & B) DC Operating Conditions
Symbol Parameter Conditions Min Max Unit