FT232BQ USB UART ( USB - Serial) I.C.
6.0 Absolute Maximum Ratings
These are the absolute maximum ratings for the FT232BQ device in accordance with the Absolute Maximum Rating System
(IEC 60134). Exceeding these may cause permanent damage to the device.
Parameter
Value
Units
Storage Temperature
–65oC to + 150oC
Degrees C
Floor Life (Out of Bag) at Factory Ambient
(30oC/60% Relative Humidity)
192 Hours (Level 3 Compliant)
**Note 2
Ambient Temperature (Power Applied)
M.T.B.F. (at 35oC)
0oC to + 70oC
247484 Hours ≈ 28 Years
-0.5 to +6.00
-0.5 to +3.8
-0.5 to +(Vcc +0.5)
-0.5 to +(Vcc +0.5)
24
Degrees C
VCC Supply Voltage
V
V
D.C. Input Voltage - USBDP and USBDM
D.C. Input Voltage - High Impedance Bidirectionals
D.C. Input Voltage - All other Inputs
V
V
DC Output Current – Outputs
mA
mA
mW
V
DC Output Current – Low Impedance Bidirectionals
Power Dissipation (VCC = 5.25V)
24
500
Electrostatic Discharge Voltage (Human Body Model) (I < 1uA)
Latch Up Current (Vi = +/- 10V maximum, for 10 ms)
+/- 3000
+/-200
mA
**Note 2 – 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 110oC and baked for 8 to 10 hours.
6.1 D.C. Characteristics
DC Characteristics ( Ambient Temperature = 0 to 70oC )
Operating Voltage and Current
Parameter Description
Min
4.35
3.0
-
Typ
5.0
-
Max
5.25
5.25
-
Units
V
Conditions
Vcc1
Vcc2
Icc1
Icc2
VCC Operating Supply Voltage
VCCIO Operating Supply Voltage
Operating Supply Current
V
25
mA
uA
Normal Operation
Operating Supply Current
-
180
200
USB Suspend **Note 3
**Note 3 – Supply current excludes the 200uA nominal drawn by the external pull-up resistor on USBDP.
UART IO Pin Characteristics ( VCCIO = 5.0V )
Parameter Description
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
Conditions
I source = 2mA
I sink = 2mA
**Note 4
Voh
Vol
Output Voltage High
Output Voltage Low
V
Vin
Input Switching Threshold
Input Switching Hysteresis
V
VHys
mV
DS232BQ Version 1.8
© Future Technology Devices Intl. Ltd. 2005
Page 12 of 25
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