FT240X USB 8-BIT FIFO IC Datasheet
Version 1.3
Document No.: FT_000626 Clearance No.: FTDI# 259
Parameter
Description
Minimum
Typical
Maximum Units
Conditions
Ioh = +/-2mA
2.97
VCCIO
VCCIO
V
I/O Drive strength*
= 4mA
I/O Drive strength*
= 8mA
2.97
2.97
2.97
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
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
LVTTL
LVTTL
2.0
Vt
Switching Threshold
V
V
1.49
1.15
Schmitt trigger negative
going threshold voltage
Vt-
Schmitt trigger positive
going threshold voltage
Vt+
Rpu
Rpd
Iin
V
1.64
75
Input pull-up resistance
40
40
190
190
10
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 5.4 FIFO 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.
Copyright © 2013 Future Technology Devices International Limited
18
FTDI [ FUTURE TECHNOLOGY DEVICES INTERNATIONAL LTD. ]
