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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
84
10 Electrical Specifications
10.1 Absolute Maximum Ratings
Conditions that exceed the Absolute Maximum limits may destroy the device.
Symbol
Parameter
Conditions
Min
Max
Unit
VDDC, VDD25, PVDD,
AVDD
2.5V Supply Voltages
With Respect to Ground
-0.5
3.6
V
VDDIO, VDD33
3.3V Supply Voltages
With Respect to Ground
-0.5
4.6
V
3.3 V buffer
-0.5
4.6
V
VI
DC input voltage
5 V Tolerant buffer
-0.5
6.6
V
3mA Buffer
-10
10
mA
6mA Buffer
-20
20
mA
IOUT
DC Output Current, per pin
12mA Buffer
-40
40
mA
TSTG
Storage Temperature
No bias
-65
150
° C
TAMB
Ambient temperature
Under bias
-40
85
° C
VESD
ESD Rating
R = 1.5K, C = 100pF
2
KV
10.2 Recommended Operating Conditions
Conditions that exceed the Operating limits may cause the device to function incorrectly.
Symbol
Parameter
Conditions
Min
Max
Unit
VDDC, VDD25, PVDD,
AVDD
2.5V Supply Voltages
2.2
2.6
V
VDDIO, VDD33
3.3V Supply Voltages
3.2
3.5
V
VN
Negative trigger voltage
3.3 V buffer
0.8
1.7
V
5 V tolerant buffer
0.8
1.7
V
VP
Positive trigger voltage
3.3 V buffer
1.3
2.4
V
5 V tolerant buffer
1.3
2.4
V
VIL
Low Level Input Voltage
3.3 V buffer
0
0.7
V
5 V tolerant buffer
0
0.8
V
VIH
High Level Input Voltage
3.3 V buffer
0.5* VDDIO
VDDIO
V
5 V tolerant buffer
2.0
5.5
V
3 mA buffer, (VOL = 0.4)
3
mA
6 mA buffer, (VOL = 0.4)
6
mA
IOL
Low Level Output Current
12 mA buffer, (VOL = 0.4)
12
mA
3 mA buffer,(VOH = 2.4)
-3
mA
6 mA buffer,(VOH = 2.4)
-6
mA
IOH
High Level Output Current
12 mA buffer,(VOH = 2.4)
-12
mA
TA
Operating Temperature
0
70
° C
tR
Input rise times
Normal input
0
200
ns
tF
Input fall time
Normal input
0
200
ns
tR
Input rise times
Schmitt input
0
10
ms
tF
Input fall time
Schmitt input
0
10
ms
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