User manual

Chapter 2: USB-Blaster Specifications 2–7
USB-Revision
© April 2009 Altera Corporation USB-Blaster Download Cable User Guide
USB-Revision
Table 2–7 indicates the revision and description of the USB-Blaster.
V
OL
5.0-V low-level output
voltage
V
CC(TRGT)
= 5.5 V, I
OL
=10mA 0.8 V
3.3-V low-level output
voltage
V
CC(TRGT)
= 3.6 V, I
OL
=8mA 0.7 V
2.5-V low-level output
voltage
V
CC(TRGT)
= 2.625 V, I
OL
=6mA 0.6 V
1.8-V low-level output
voltage
V
CC(TRGT)
= 1.89 V, I
OL
=4mA 0.5 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
Table 2–7. USB-Revision
Revision Descriptions
RoHS Compliant
Rev. A (1) 10-pin female connector is connected to the USB-Blaster
through a ribbon cable.
No
Rev. B 10-pin female connector is connected to the USB-Blaster
through a flexible PCB cable.
No
Rev. C Hardware upgrade to meet the RoHS lead-free
requirement. 10-pin female connector is connected to the
USB-Blaster through a flexible PCB cable.
Yes
Note to Table 2–7:
(1) Revision B and Revision C cable has a "Rev. B" and "Rev. C" marking on the casing. However, you can identify the
Revision A cable if the cable is using a ribbon cable and does not have the revision marking.