rtd USB25407, Руководство пользователя

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RTD Embedded Technologies, Inc.
| www.rtd.com 8 USB25407 and USB35407 User’s Manual
2 Specifications
Operating Conditions
Table 2: Operating Conditions
Symbol Parameter Test Condition Min Max Unit
V
cc5
5V Supply Voltage 4.75 5.25 V
V
cc3
3.3V Supply Voltage n/a n/a V
V
cc12
12V Supply Voltage n/a n/a V
V
cc-12
-12V Supply Voltage n/a n/a V
T
a
Operating Temperature -40 +85 C
T
s
Storage Temperature -55 +125 C
RH Relative Humidity Non-Condensing 0 90% %
MTBF Mean Time Before Failure
Telcordia Issue 2
30°C, Ground benign, controlled
TBD Hours
Electrical Characteristics
Table 3: Electrical Characteristics
Symbol Parameter Test Condition Min Max Unit
P
d
Power Dissipation V
cc5
= 5.0V, I
PORT
= 0A 3.0 W
I
cc5
5V Input Supply Current Active, Board only 600 mA
V
PORT
Port voltage output 4.75 5.25 V
I
PORT
Current Limit per port 0.9 2.0 A
PCIe Bus
Differential Output Voltage 0.8 1.2 V
DC Differential TX Impedance 95.2 116.9 Ω
Differential Input Voltage 0.175 3.3 V
DC Differential RX Impedance 92.7 115.8 Ω
Electrical Idle Detect Threshold 61 173 mV