FT2232C Dual USB UART / FIFO I.C.
7.1 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
30
mA
μA
Normal Operation
Operating Supply Current
-
100
200
USB Suspend **Note 11
**Note 11 – Supply current excludes the 200μA nominal drawn by the external pull-up resistor on USBDP.
IO Pin Characteristics ( VCCIO = 5.0V, Standard Drive Level ) **Note 12
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
Voh
Vol
Output Voltage High
I source = 2mA
I sink = 2mA
Output Voltage Low
V
Vin
Input Switching Threshold
Input Switching Hysteresis
V
VHys
mV
IO Pin Characteristics ( VCCIO = 3.0 - 3.6V, Standard Drive Level ) **Note 12
Parameter Description
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
Conditions
Voh
Vol
Output Voltage High
I source = 1 mA
I sink = 2 mA
Output Voltage Low
V
Vin
Input Switching Threshold
Input Switching Hysteresis
V
VHys
mV
IO Pin Characteristics ( VCCIO = 5.0V, High Drive Level ) **Note 12, **Note 13
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
Voh
Vol
Output Voltage High
I source = 6 mA
I sink = 6 mA
Output Voltage Low
V
Vin
Input Switching Threshold
Input Switching Hysteresis
V
VHys
mV
IO Pin Characteristics ( VCCIO = 3.0 - 3.6V, High Drive Level ) **Note 12, **Note 13
Parameter Description
Min
2.2
0.3
1.0
20
Typ
2.8
0.4
1.2
25
Max
3.2
0.6
1.5
30
Units
V
Conditions
Voh
Vol
Output Voltage High
I source = 3mA
I sink = 8 mA
Output Voltage Low
V
Vin
Input Switching Threshold
Input Switching Hysteresis
V
VHys
mV
**Note 12 : Inputs have an internal 200K pull-up resistor to VCCIO, which can alternativly be programmed to pull
down using a configuration bit in the external EEPROM.
**Note 12 : The high output drive level is configured in the external EEPROM. Each channel can be configured
individually.
DS2232C Version 1.2
© Future Technology Devices International Ltd. 2004
Page 17 of 54
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