UM245R FTDI, Future Technology Devices International Ltd, UM245R Datasheet - Page 3

• 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 of Contents
1 Introduction .................................................................... 1
2 Typical Applications ........................................................ 3
3 FT245RL Features and Enhancement .............................. 5
4 UM245R Pin Out and Signal Descriptions ........................ 7
5 Module Dimensions ....................................................... 12
6 FT245RL Device Characteristics and Ratings ................. 13
7 Module Configurations .................................................. 18
8 UM245R Module Circuit Schematic ................................ 22
9 Internal EEPROM Configuration ..................................... 23
10 Contact Information ...................................................... 24
© Copyright 2009 Future Technology Devices International Ltd
2.1
2.2
3.1
4.1
4.2
4.3
4.4
4.5
6.1
6.2
6.3
6.4
7.1
7.2
7.3
7.4
Appendix A – List of Tables and Figures .......................................... 25
Appendix B – Revision History ......................................................... 26
Driver Support .......................................................................... 3
Features .................................................................................... 4
Key Features ............................................................................. 5
UM245R Pin Out ........................................................................ 7
Signal Descriptions ................................................................... 8
Jumper Configuration Options .................................................. 9
FT245 FIFO Control Interface Read Cycle Timing Diagrams .... 10
FT245 FIFO Control Interface Write Cycle Timing Diagrams ... 11
Absolute Maximum Ratings ..................................................... 13
DC Characteristics ................................................................... 13
EEPROM Reliability Characteristics ......................................... 16
Internal Clock Characteristics ................................................. 17
BUS Powered Configuration .................................................... 18
Self Powered Configuration .................................................... 19
USB Bus Powered with Power Switching Confiduration .......... 20
Bus Powered with 3.3V Logic Drive / IO Supply Voltage ......... 21
UM245R USB - Parallel FIFO Development Module Datasheet Version 1.04
Document Reference No.: FT_000202
Clearance No.: FTDI# 124
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