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Specification
NET2272 USB Peripheral Controller
______________________________________________________________________________
NetChip Technology, Inc., 2003
Patent Pending
335 Pioneer Way, Mountain View, California 94041
TEL (650) 526-1490
FAX (650) 526-1494
http://www.netchip.com
Rev 1.2, October 15, 2003
85
10.3 DC Specifications
10.3.1 Core DC Specifications
Operating Conditions: VDDC: 2.2-2.6V, VDDIO: 3.2-3.5V, TA = 0°C to 70°C
All typical values are at VDDC = 2.5V, VDDIO = 3.3V and TA = 25°C
10.3.1.1 Disconnected from USB
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
IVDD33
3.3V Supply Current
VDDC = 3.3V
1.4
1.6
mA
IVDD25
2.5V Supply Current
VDDIO = 2.5V
36.3
40
mA
10.3.1.2 Connected to USB (High-Speed)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
IVDD33
3.3V Supply Current
VDDC = 3.3V
3.3
3.7
mA
IVDD25
2.5V Supply Current
VDDIO = 2.5V
51.6
58
mA
10.3.1.3 Active (High-Speed)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
IVDD33
3.3V Supply Current
VDDC = 3.3V
4
4.4
mA
IVDD225
2.5V Supply Current
VDDIO = 2.5V
52.7
58
mA
10.3.1.4 Connected to USB (Full-Speed)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
IVDD33
3.3V Supply Current
VDDC = 3.3V
2.8
3.1
mA
IVDD25
2.5V Supply Current
VDDIO = 2.5V
35.3
40
mA
10.3.1.5 Active (Full-Speed)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
IVDD33
3.3V Supply Current
VDDC = 3.3V
6
6.6
mA
IVDD25
2.5V Supply Current
VDDIO = 2.5V
35.9
40
mA
10.3.1.6 Suspended
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
IVDD33
3.3V Supply Current
VDDC = 3.3V
0.1*
10
uA
IVDD25
2.5V Supply Current
VDDIO = 2.5V
0.1
10
uA
* Disconnected from USB. When connected to USB, 200uA is added for the 1.5K pull-up resistor.
16-bit data bus (LD[15:0]) should not float when suspended to prevent leakage current.
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