ft232hq Future Technology Devices International Ltd., ft232hq Datasheet - Page 51

• Manufacturer Part Number: ft232hq
• Description: Ft232h Single Channel Hi- Speed Usb To Multipurpose Uart/fifo Ic
• Manufacturer: Future Technology Devices International Ltd.

The I/O pins are +3.3v cells, which are +5V tolerant (except the USB PHY pins).
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.
Parameter
Voh
Vt+
Rpu
Rpd
Vih
Vol
Vt-
Ioz
Iin
Vil
Vt
Schmitt trigger negative
Tri-state output leakage
Input pull-up resistance
going threshold voltage
Schmitt trigger positive
going threshold voltage
Input Leakage Current
Input High Switching
Output Voltage High
Switching Threshold
Input low Switching
Output Voltage Low
Input pull-down
Description
resistance
Threshold
Threshold
current
Copyright © 2011 Future Technology Devices International Limited
FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC
Minimum
2.0
2.4
2.4
2.4
2.4
0.8
-10
-10
40
40
Typical
VCCIO
VCCIO
VCCIO
VCCIO
+/-1
+/-1
1.5
1.1
1.6
75
75
0
0
0
0
Maximum
VCCIO
VCCIO
VCCIO
VCCIO
0.4
0.4
0.4
0.4
190
190
0.8
2.0
10
10
Units
KΩ
KΩ
μA
μA
Document No.: FT_000288
V
V
V
V
V
V
V
V
V
V
V
V
V
Clearance No.: FTDI #199
Datasheet Version 1.0
I/O Drive strength*
I/O Drive strength*
I/O Drive strength*
I/O Drive strength*
I/O Drive strength*
I/O Drive strength*
I/O Drive strength*
I/O Drive strength*
Vin = 5.5V or 0
Ioh = +/-2mA
Iol = +/-2mA
Conditions
Vin =VCCIO
= 12mA
= 16mA
= 12mA
= 16mA
Vin = 0
Vin = 0
= 4mA
= 8mA
= 4mA
= 8mA
LVTTL
LVTTL
LVTTL
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