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5. Device Characteristics and Ratings
Page 10
5.1 Absolute Maximum Ratings
The absolute maximum ratings for the FT232R devices are as follows. These are in accordance with the Absolute
Maximum Rating System (IEC 60134). Exceeding these may cause permanent damage to the device.
Table 6 - Absolute Maximum Ratings
Parameter
Storage Temperature
Floor Life (Out of Bag) At Factory Ambient
( 30°C / 60% Relative Humidity)
Ambient Temperature (Power Applied)
Vcc Supply Voltage
D.C. Input Voltage - USBDP and USBDM
D.C. Input Voltage - High Impedance Bidirectionals
D.C. Input Voltage - All other Inputs
D.C. Output Current - Outputs
DC Output Current - Low Impedance Bidirectionals
Power Dissipation (Vcc = 5.25V)
Value
-65°C to 150°C
168 Hours
(IPC/JEDEC J-STD-033A MSL
Level 3 Compliant)*
-40°C to 85°C
-0.5 to +6.00
-0.5 to +3.8
-0.5 to +(Vcc +0.5)
-0.5 to +(Vcc +0.5)
24
24
500
Unit
Degrees C
Hours
Degrees C.
V
V
V
V
mA
mA
mW
* If devices are stored out of the packaging beyond this time limit the devices should be baked before use. The
devices should be ramped up to a temperature of 125 ° C and baked for up to 17 hours.
5.2 DC Characteristics
DC Characteristics ( Ambient Temperature = -40 to 85 o C )
Table 7 - Operating Voltage and Current
Parameter
Vcc1
Vcc2
Icc1
Icc2
Description
VCC Operating Supply Voltage
VCCIO Operating Supply Voltage
Operating Supply Current
Operating Supply Current
Min
3.3
1.8
-
50
Typ
-
-
15
70
Max
5.25
5.25
-
100
Units
V
V
mA
μ A
Conditions
Normal Operation
USB Suspend*
Table 8 - FT232R UART and CBUS I/O Pin Characteristics (VCCIO = 5.0V, Standard Drive Level)
Parameter
Voh
Vol
Vin
VHys
Description
Output Voltage High
Output Voltage Low
Input Switching Threshold
Input Switching Hysteresis
Min
3.2
0.3
1.3
50
Typ
4.1
0.4
1.6
55
Max
4.9
0.6
1.9
60
Units
V
V
V
mV
Conditions
I source = 2mA
I sink = 2mA
**
**
Table 9 - FT232R UART and CBUS I/O Pin Characteristics (VCCIO = 3.3V, Standard Drive Level)
Parameter
Voh
Vol
Vin
VHys
Description
Output Voltage High
Output Voltage Low
Input Switching Threshold
Input Switching Hysteresis
Min
2.2
0.3
1.0
20
Typ
2.7
0.4
1.2
25
Max
3.2
0.5
1.5
30
Units
V
V
V
mV
Conditions
I source = 1mA
I sink = 2mA
**
**
EVAL232R FT232RL USB to RS232 Evaluation Module Datasheet Version 0.90
? Future Technology Devices International Ltd. 2005
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