Document No.: FT_000288
FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC
Datasheet Version 1.8
Clearance No.: FTDI #199
The I/O pins are +3.3v cells, which are +5V tolerant (except the USB PHY pins).
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
Ioh = +/-2mA
2.4
VCCIO
VCCIO
V
I/O Drive strength*
= 4mA
I/O Drive strength*
= 8mA
2.4
2.4
2.4
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
V
V
V
Voh
Output Voltage High
I/O Drive strength*
= 12mA
I/O Drive strength*
= 16mA
Iol = +/-2mA
V
0
0.4
I/O Drive strength*
= 4mA
I/O Drive strength*
= 8mA
V
V
V
V
0
0
0
0.4
0.4
0.4
0.8
Vol
Output Voltage Low
I/O Drive strength*
= 12mA
I/O Drive strength*
= 16mA
Input low Switching
Threshold
Vil
LVTTL
Input High Switching
Threshold
Vih
Vt
V
V
LVTTL
LVTTL
2.0
0.8
Switching Threshold
1.5
Schmitt trigger negative
going threshold voltage
Vt-
Vt+
Rpu
Rpd
Iin
V
1.1
1.6
75
Schmitt trigger positive
going threshold voltage
2.0
190
190
10
V
Input pull-up resistance
40
40
KΩ
KΩ
μA
μA
Vin = 0
Vin =VCCIO
Vin = 0
Input pull-down
resistance
75
Input Leakage Current
-10
-10
+/-1
+/-1
Tri-state output leakage
current
Ioz
10
Vin = 5.5V or 0
Table 5.3 I/O Pin Characteristics VCCIO = +3.3V (except USB PHY pins)
* The I/O drive strength and slow slew-rate are configurable in the EEPROM.
Copyright © 2012 Future Technology Devices International Limited
49
ETC [ ETC ]
