FT2232C Dual USB UART / FIFO I.C.
XTIN / XTOUT Pin Characteristics
Parameter Description
Min
4.0
0.1
1.8
Typ
Max
5.0
1.0
3.2
Units
Conditions
Fosc = 6MHz
Fosc = 6MHz
Voh
Vol
Vin
Output Voltage High
Output Voltage Low
-
-
V
V
V
Input Switching Threshold
2.5
RESET#, TEST, EECS, EESK, EEDATA Pin Characteristics **Note 14
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 = 2 mA
Output Voltage Low
V
Vin
Input Switching Threshold
Input Switching Hysteresis
V
VHys
mV
**Note 14 – EECS, EESK, EEDATA and RESET# pins have an internal 200K pull-up resistor to VCC
RSTOUT# Pin Characteristics
Parameter Description
Min
3.0
0.3
Typ
Max
3.6
Units
Conditions
Voh
Vol
Output Voltage High
Output Voltage Low
-
-
V
V
I source = 2mA
I sink = 2mA
0.6
USB IO Pin Characteristics **Note 15
Parameter Description
Min
Typ
Max
Units Conditions
UVoh
IO Pins Static Output ( High)
2.8
3.6
V
RI = 1.5K to 3V3Out ( D+ )
RI = 15K to GND ( D- )
-
UVol
IO Pins Static Output ( Low )
0
0.3
V
RI = 1.5K to 3V3Out ( D+ )
RI = 15K to GND ( D- )
-
UVse
Single Ended Rx Threshold
Differential Common Mode
Differential Input Sensitivity
Driver Output Impedance
0.8
0.8
0.2
29
2.0
2.5
V
V
-
-
-
-
UCom
UVDif
UDrvZ
V
-
44
Ohm
**Note 15 – Driver Output Impedance includes the external 27R series resistors on USBDP and USBDM pins.
DS2232C Version 1.2
© Future Technology Devices International Ltd. 2004
Page 18 of 54
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