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
86
10.3.2 USB Full Speed 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
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIH
Input high level (driven)
Note 4
2.0
V
VIHZ
Input high level (floating)
Note 4
2.7
3.6
V
VIL
Input low level
Note 4
0.8
V
VDI
Differential Input Sensitivity
| (D+) - (D-) |
0.2
V
VCM
Differential Common Mode
Range
Includes VDI range
0.8
2.5
V
VOL
Output low level
Notes 4,5
0.0
0.3
V
VOH
Output high level (driven)
Notes 4,6
2.8
3.6
V
VSE1
Single ended one
0.8
V
VCRS
Output signal crossover voltage
Note 10
1.3
2.0
V
CIO
I/O Capacitance
Pin to GND
20
pF
10.3.3 USB High Speed 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
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VHSSQ
High-speed squelch detection
threshold (differential signal
amplitude)
100
150
mV
VHSDSC
High-speed disconnect detection
threshold (differential signal
amplitude)
525
625
mV
High-speed differential input
signaling levels
Specified by eye patterns
VHSCM
Hip-speed data signaling common
mode voltage range
-50
500
mV
VHSOI
High-speed idle level
-10
10
mV
VHSOH
High-speed data signaling high
360
440
mV
VHSOL
High-speed data signaling low
-10
10
mV
VCHIPRJ
Chirp J level (differential voltage)
700
1100
mV
VCHIPRK
Chirp K level (differential voltage)
-900
-500
mV
CIO
I/O Capacitance
Pin to GND
20
pF
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