Document No.: FT_000053
FT232R USB UART IC Datasheet Version 2.07
Clearance No.: FTDI# 38
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
Voh
Vol
Output Voltage High
Output Voltage Low
2.1
0.3
2.6
0.4
2.8
0.6
V
V
I source = 3mA
I sink = 8mA
Input Switching
Threshold
Vin
1.0
20
1.2
25
1.5
30
V
**
**
Input Switching
Hysteresis
VHys
mV
Table 5.9 UART and CBUS I/O Pin Characteristics (VCCIO = +2.8V, High Drive Level)
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
Voh
Vol
Output Voltage High
Output Voltage Low
1.35
0.12
1.67
0.18
1.8
V
V
I source = 0.4mA
I sink = 3mA
0.35
Input Switching
Threshold
Vin
1.0
20
1.2
25
1.5
30
V
**
**
Input Switching
Hysteresis
VHys
mV
Table 5.10 UART and CBUS I/O Pin Characteristics (VCCIO = +1.8V, High Drive Level)
** Only input pins have an internal 200KΩ pull-up resistor to VCCIO
Parameter
Vin
Description
Minimum
1.3
Typical
1.6
Maximum
1.9
Units
V
Conditions
Input Switching
Threshold
Input Switching
Hysteresis
VHys
50
55
60
mV
Table 5.11 RESET# and TEST Pin Characteristics
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