Datasheet

Copyright © 2010 Future Technology Devices International Limited 18
Document No.: FT_000052
FT245R USB FIFO IC Datasheet Version 2.12
Clearance No.: FTDI# 39
5.2 DC Characteristics
DC Characteristics (Ambient Temperature = -40°C to +85°C)
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
VCC1
VCC Operating Supply
Voltage
4.0
---
5.25
V
Using Internal
Oscillator
VCC1
VCC Operating Supply
Voltage
3.3
---
5.25
V
Using External
Crystal
VCC2
VCCIO Operating
Supply Voltage
1.8
---
5.25
V
Icc1
Operating Supply
Current
---
15
---
mA
Normal Operation
Icc2
Operating Supply
Current
50
70
100
μA
USB Suspend
3V3
3.3v regulator output
3.0
3.3
3.6
V
Table 5.2 Operating Voltage and Current
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
Voh
Output Voltage High
3.2
4.1
4.9
V
I source = 2mA
Vol
Output Voltage Low
0.3
0.4
0.6
V
I sink = 2mA
Vin
Input Switching
Threshold
1.0
1.2
1.5
V
**
VHys
Input Switching
Hysteresis
20
25
30
mV
**
Table 5.3 FIFO I/O Pin Characteristics (VCCIO = +5.0V, Standard Drive Level)
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
Voh
Output Voltage High
2.2
2.7
3.2
V
I source = 1mA
Vol
Output Voltage Low
0.3
0.4
0.5
V
I sink = 2mA
Vin
Input Switching
Threshold
1.0
1.2
1.5
V
**
VHys
Input Switching
Hysteresis
20
25
30
mV
**
Table 5.4 FIFO I/O Pin Characteristics (VCCIO = +3.3V, Standard Drive Level)