FT234XD-T FTDI, FT234XD-T Datasheet - Page 5

• Manufacturer Part Number: FT234XD-T
• Description: USB Interface IC USB to Basic Serial UART IC
• Manufacturer: FTDI

Specifications of FT234XD-T

• Rohs: yes
• Product: USB 2.0
• Interface Type: UART, USB
• Operating Supply Voltage: 3.3 V to 5.25 V
• Operating Supply Current: 8 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: DFN-12
• Minimum Operating Temperature: - 40 C

Table of Contents
1
2
3
4
5
6
7
8
9
1.1
1.2
1.3
3.1
3.2
4.1
4.2
5.1
5.2
5.3
5.4
6.1
6.2
6.3
7.1
7.2
7.3 ............................................................................................................. 25
7.4
7.5
8.1
8.2
8.3
9.1
3.1.1
8.2.1
Typical Applications ...................................................................... 2
FT234XD Block Diagram ............................................................... 4
Device Pin Out and Signal Description .......................................... 7
Function Description................................................................... 11
Devices Characteristics and Ratings ........................................... 14
USB Power Configurations .......................................................... 20
Application Examples ................................................................. 23
USB to RS422 Converter ...................................................................... 25
Internal MTP Memory Configuration ........................................... 28
Package Parameters ................................................................... 31
Driver Support .................................................................................... 2
Part Numbers...................................................................................... 2
USB Compliant .................................................................................... 3
12-Pin DFN Package .......................................................................... 7
CBUS Signal Options ........................................................................... 9
Key Features ..................................................................................... 11
Functional Block Descriptions ........................................................... 11
Absolute Maximum Ratings............................................................... 14
DC Characteristics............................................................................. 15
MTP Memory Reliability Characteristics ............................................ 19
Internal Clock Characteristics ........................................................... 19
USB Bus Powered Configuration ...................................................... 20
Self Powered Configuration .............................................................. 21
USB Bus Powered with Power Switching Configuration .................... 22
USB to RS232 Converter ................................................................... 23
USB to RS485 Coverter ..................................................................... 24
USB Battery Charging Detection ....................................................... 26
LED Interface .................................................................................... 27
Default Values .................................................................................. 28
Methods of Programming the MTP Memory ....................................... 29
Memory Map ..................................................................................... 30
DFN-12 Package Mechanical Dimensions .......................................... 31
DFN Package PinOut Description .................................................................................... 7
Programming the MTP memory over USB ...................................................................... 29
Copyright © 2013 Future Technology Devices International Limited
Document No.: FT_000753 Clearance No.: FTDI#324
FT234XD USB TO BASIC UART IC
Version 1.1
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