UM245R FTDI, Future Technology Devices International Ltd, UM245R Datasheet - Page 15

• Manufacturer Part Number: UM245R
• Description: MODULE USB-PAR FIFO TTL 24-DIP
• Manufacturer: FTDI, Future Technology Devices International Ltd

Specifications of UM245R

• Main Purpose: Interface, USB 2.0 to Parallel FIFO Bridge
• Embedded: No
• Utilized Ic / Part: FT245R
• Primary Attributes: 300kBps to 1MBps USB to parallel FIFO via 4-Wire Interface
• Secondary Attributes: Royalty-Free Drivers
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 768-1020

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