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DLP-USB232M User ’s Manual
These are the absolute maximum ratings for the DLP-USB232M module in accordance with the
Absolute Maximum Rating System (IEC 60134). Exceeding these may cause permanent damage
to the device.
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Storage Temperature ……………………………………………………. –65 o C to + 150 o C
Ambient Temperature ( Power Applied )……………………………….. 0 o C to + 70 o C
VCC Supply Voltage ……………………………………………….…….. -0.5v to +6.00v
DC Input Voltage - Inputs ……………………………………………….. -0.5v to VCC + 0.5v
DC Input Voltage - High Impedance Bidirectionals …………………… -0.5v to VCC + 0.5v
DC Output Current – Outputs …………………………………………… 24mA
DC Output Current – Low Impedance Bidirectionals …………………. 24mA
Power Dissipation ( VCC = 5.25v ) .……………………………………… 500mW
Electrostatic Discharge Voltage ( I < 1uA ) ……………………………… +/- 2000v
Latch Up Current ( Vi < 0 or Vi > Vcc ) ………………………………….. 100mA
D.C. Characteristics
DC Characteristics ( Ambient Temperature = 0 .. 70 o C )
Operating Voltage and Current
Vcc1
Vcc2
Icc1
Icc2
Description
VCC Operating Supply
Voltage
VCCIO Operating Supply
Voltage
Operating Supply Current
Operating Supply Current
Min
4.4
3.0
-
-
Typ
5.0
-
25
300
Max
5.25
5.25
-
400
Units
V
V
mA
uA
Conditions
Normal Operation
USB Suspend
UART IO Pin Characteristics ( VCCIO = 5.0v )
Voh
Vol
Vin
VHys
Description
Output Voltage High
Output Voltage Low
Input Switching Threshold
Input Switching Hysteresis
Min
4.4
0.1
1.1
Typ
-
-
1.5
200
Max
4.9
0.7
1.9
Units
V
V
V
mV
Conditions
I source = 2mA
I sink = 4 mA
Note 1
UART IO Pin Characteristics ( VCCIO = 3.3v )
Voh
Vol
Vin
VHys
Description
Output Voltage High
Output Voltage Low
Input Switching Threshold
Input Switching Hysteresis
Min
2.7
0.1
1.0
Typ
-
-
1.4
200
Max
3.2
0.7
1.8
Units
V
V
V
mV
Conditions
I source = 2mA
I sink = 4 mA
Note 1
Copyright ? DLP Design 2002
Page 9 of 12
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