English
Language : 

DS_FT231X Datasheet, PDF (18/44 Pages) List of Unclassifed Manufacturers – Future Technology Devices International Ltd FT231X
FT231X USB TO FULL HANDSHAKE UART IC
Datasheet
Version 1.2
Document No.: FT_000565 Clearance No.: FTDI# 261
Parameter
Description
Minimum Typical Maximum
Units
2.97
VCCIO
VCCIO
V
2.97
VCCIO
VCCIO
V
Voh
Output Voltage High
2.97
VCCIO
VCCIO
V
2.97
VCCIO
VCCIO
V
0
0.4
V
Vol
Output Voltage Low
0
0.4
V
0
0.4
V
0
0.4
V
Vil
Input low Switching
Threshold
0.8
V
Vih
Input High Switching
Threshold
2.0
V
Vt
Switching Threshold
1.49
V
Vt-
Schmitt trigger negative
going threshold voltage
1.15
V
Vt+
Schmitt trigger positive
going threshold voltage
1.64
V
Rpu
Input pull-up resistance
40
75
190
KΩ
Rpd
Input pull-down
resistance
40
75
190
KΩ
Iin
Input Leakage Current
-10
+/-1
10
μA
Ioz
Tri-state output leakage
current
-10
+/-1
10
μA
Table 5.4 I/O Pin Characteristics VCCIO = +3.3V (except USB PHY pins)
* The I/O drive strength and slow slew-rate are configurable in the MTP memory.
Conditions
Ioh = +/-2mA
I/O Drive strength*
= 4mA
I/O Drive strength*
= 8mA
I/O Drive strength*
= 12mA
I/O Drive strength*
= 16mA
Iol = +/-2mA
I/O Drive strength*
= 4mA
I/O Drive strength*
= 8mA
I/O Drive strength*
= 12mA
I/O Drive strength*
= 16mA
LVTTL
LVTTL
LVTTL
Vin = 0
Vin =VCCIO
Vin = 0
Vin = 5.5V or 0
Copyright © 2013 Future Technology Devices International Limited
18