
2–6 Chapter 2: MasterBlaster Serial/USB Communications Cable Data Sheet
Operating Conditions
MasterBlaster Serial/USB Communications Cable User Guide © July 2008 Altera Corporation
Table 2–2. MasterBlaster Cable Absolute Maximum Ratings
Symbol Parameter Conditions Min Max Unit
V
CC
Supply voltage With respect to ground –0.5 7.0 V
V
I
DC input voltage With respect to ground –0.5 7.0 V
Table 2–3. MasterBlaster Cable Recommended Operating Conditions (Note 1), (2)
Symbol Parameter Conditions Min Max Unit
V
CC
Board header supply voltage,
5.0-V operation
—4.55.5V
Board header supply voltage,
3.3-V operation
—3.03.6V
Notes for Table 2–3
(1) The DC adapter supply voltage has a minimum value of 3.0 V, a maximum value of 16.0 V, and a power consumption of 1 W (VCC can be at 5.0
V, 3.3 V, or 2.5 V).
(2) The 5.0-V USB cable supply voltage has a minimum value of 4.5 V and a maximum value of 5.5 V (VCC can be at 5.0 V, 3.3 V, or 2.5 V).
Table 2–4. MasterBlaster Cable DC Operating Conditions
Symbol Parameter Conditions Min Max Unit
V
IH
High-level input voltage V
CC
= V
IO
0.25 ¥ V
IO
+ 0.3 V V
V
IL
Low-level input voltage V
CC
= V
IO
0.25 ¥ V
IO
V
V
OH
5.0-V high-level TTL
output voltage
TTL load. V
CC
= V
IO
= 4.5 V, I
OH
=8mA 3.2 V
3.3-V high-level TTL
output voltage
TTL load. V
CC
= V
IO
= 3.0 V, I
OH
=4mA 2.4 V
5.0-V high-level CMOS output
voltage
CMOS load. V
CC
= V
IO
= 4.5 V,
I
OH
=0.1mA
4.0 V
3.3-V high-level CMOS output
voltage
CMOS load. V
CC
= V
IO
= 3.0 V,
I
OH
=0.1mA
2.7 V
2.5-V high-level CMOS output
voltage
CMOS load. V
CC
= V
IO
= 2.3 V,
I
OH
=0.1mA
2.0 V
V
OL
5.0-V low-level TTL output
voltage
TTL load. V
CC
= V
IO
= 4.5 V, I
OL
=8mA 0.4 V
3.3-V low-level TTL output
voltage
TTL load. V
CC
= V
IO
= 3.0 V, I
OL
=4mA 0.4 V
5.0-V low-level CMOS output
voltage
CMOS load. V
CC
= V
IO
= 4.5 V,
I
OL
=0.1mA
0.1 V
3.3-V low-level CMOS output
voltage
CMOS load. V
CC
= V
IO
= 3.0 V,
I
OL
=0.1mA
0.1 V
2.5-V low-level CMOS output
voltage
CMOS load. V
CC
= V
IO
= 2.3 V,
I
OL
=0.1mA
0.1 V
P Operating power 1.0 W
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