Document Reference No.: FT_000202
UM245R USB - Parallel FIFO Development Module Datasheet Version 1.04
Clearance No.: FTDI# 124
Parameter
Voh
Vol
Vin
VHys
Description
Output Voltage High
Output Voltage Low
Input Switching
Threshold
Input Switching
Hysteresis
Minimum
3.2
0.3
1.3
50
Typical
4.1
0.4
1.6
55
Maximum
4.9
0.6
1.9
60
Units
V
V
V
mV
Conditions
I source = 2mA
I sink = 2mA
**
**
Table 6.3 FIFO Interface and Control Bus Pin Characteristics (VCCIO = 5.0V, Standard Drive
Level)
Parameter
Voh
Vol
Vin
VHys
Description
Output Voltage High
Output Voltage Low
Input Switching
Threshold
Input Switching
Hysteresis
Minimum
2.2
0.3
1.0
20
Typical
2.7
0.4
1.2
25
Maximum
3.2
0.5
1.5
30
Units
V
V
V
mV
Conditions
I source = 1mA
I sink = 2mA
**
**
Table 6.4 FIFO Interface and Control Bus Pin Characteristics (VCCIO = 3.3V, Standard Drive
Level)
Parameter
Voh
Vol
Vin
VHys
Description
Output Voltage High
Output Voltage Low
Input Switching
Threshold
Input Switching
Hysteresis
Minimum
2.1
0.3
1.0
20
Typical
2.6
0.4
1.2
25
Maximum
3.1
0.5
1.5
30
Units
V
V
V
mV
Conditions
I source = 1mA
I sink = 2mA
**
**
Table 6.5 FIFO Interface and Control Bus Pin Characteristics (VCCIO = 2.8V, Standard Drive
Level)
? Copyright 2009 Future Technology Devices International Ltd
14
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