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FT231XS-R on a board, in 3D

FT231XS-R

FTDI

-40℃~+85℃ 125uA 5V 8.4mA USB 2.0 USB to UART SSOP-20-150mil USB Converters ROHS

Extended
DatasheetJLCPCBLCSCftdi/FT231XS-R
Category
USB Converters
Package
SSOP-20-150mil
Pins
20

Overview

The FT231XS-R is a USB Converter made by FTDI in a SSOP-20-150mil package with 20 pins. -40℃~+85℃ 125uA 5V 8.4mA USB 2.0 USB to UART SSOP-20-150mil USB Converters ROHS.

PCBKit's library has its KiCad symbol (Interface_USB:FT231XS, from KiCad's library) and its footprint (Package_SO:SSOP-20_3.9x8.7mm_P0.635mm, from KiCad's library), ready for a KiCad board. 3,937 are in stock at JLCPCB (part C132160). 152 open-source boards in 120 repositories on GitHub use it.

Symbol

DTR1RTS2VCCIO3RXD4RI5GND6DSR7DCD8CTS9CBUS210USBDP11USBDM123V3OUT13RESET14VCC15GND16CBUS117CBUS018CBUS319TXD20
Interface_USB:FT231XSFrom KiCad's library

Footprint

1234567891011121314151617181920
Package_SO:SSOP-20_3.9x8.7mm_P0.635mmFrom KiCad's library

From the datasheet

12
Supply, least
2.97 V · VCC, recommended operating min · p. 17
Supply, most
5.5 V · VCC, recommended operating max · p. 17
Supply, least
1.62 V · VCCIO, recommended operating min · p. 17
Supply, most
3.63 V · VCCIO, recommended operating max · p. 17
Supply, absolute maximum
5.5 V · VCC, absolute max · p. 16
Supply, absolute maximum
4 V · VCCIO, absolute max · p. 16
Works from
-40 °C · Ambient operating temperature min, power applied · p. 16
Works up to
85 °C · Ambient operating temperature max, power applied · p. 16
Takes working
8 mA · VCC operating supply current, normal operation typical · p. 17
Takes at most
8.4 mA · VCC operating supply current, normal operation max · p. 17
Takes asleep
125 µA · USB suspend supply current typical · p. 17
A pin gives at most
22 mA · DC output current, absolute max · p. 16

What it is and has

5
Interface
USB to full handshake serial UART · p. 13
CBUS I/O
4 configurable pins · p. 13
USB
USB 2.0 Full Speed · p. 1
UART data rate
300 baud to 3 Mbaud · p. 1
Clock generation
Integrated; no external crystal required · p. 13

Specifications

66
ParameterConditionsAs printedPage
Storage Temperaturemin -65 · max 150 Degrees C16
Floor Life (Out of Bag) At Factory Ambient30°C / 60% Relative Humidity; IPC/JEDEC J-STD-033A MSL Level 3 Compliantmax 168 Hours16
Ambient Operating Temperature (Power Applied)Power Appliedmin -40 · max 85 Degrees C16
VCC Supply Voltagemin -0.3 · max 5.5 V16
VCCIO IO Voltagemin -0.3 · max 4 V16
DC Input Voltage – USBDP and USBDMmin -0.5 · max 3.63 V16
DC Input Voltage – High Impedance Bi-directionals (powered from VCCIO)powered from VCCIOmin -0.3 · max 5.8 V16
DC Output Current – Outputsmax 22 mA16
ESD Charge Device Mode(CDM)Class IIImax 500 V16
ESD Human Body Mode (HDM)Class 2max 2000 V16
VCC Operating Supply Voltage VCCNormal Operation; Ambient Temperature = -40°C to +85°Cmin 2.97 · typ 5 · max 5.5 V17
VCCIO Operating Supply Voltage VCC2Ambient Temperature = -40°C to +85°Cmin 1.62 · max 3.63 V17
Operating Supply Current Icc1Normal Operation; Ambient Temperature = -40°C to +85°Cmin 8 · typ 8 · max 8.4 mA17
Operating Supply Current Icc2USB Suspend; Ambient Temperature = -40°C to +85°Ctyp 125 uA17
3.3v regulator output 3V3VCC must be greater than 3V3 otherwise 3V3OUT is an input which must be driven with 3.3Vmin 2.97 · typ 3.3 · max 3.63 V17
Output Voltage High VohVCCIO = +3.3V; Ioh = +/-2mA; I/O Drive strength = 4mAmin 2.97 V18
Output Voltage High VohVCCIO = +3.3V; I/O Drive strength = 8mAmin 2.97 V18
Output Voltage High VohVCCIO = +3.3V; I/O Drive strength = 12mAmin 2.97 V18
Output Voltage High VohVCCIO = +3.3V; I/O Drive strength = 16mAmin 2.97 V18
Output Voltage Low VolVCCIO = +3.3V; Iol = +/-2mA; I/O Drive strength = 4mAtyp 0 · max 0.4 V18
Output Voltage Low VolVCCIO = +3.3V; I/O Drive strength = 8mAtyp 0 · max 0.4 V18
Output Voltage Low VolVCCIO = +3.3V; I/O Drive strength = 12mAtyp 0 · max 0.4 V18
Output Voltage Low VolVCCIO = +3.3V; I/O Drive strength = 16mAtyp 0 · max 0.4 V18
Input low Switching Threshold VilVCCIO = +3.3V; LVTTLmax 0.8 V18
Input High Switching Threshold VihVCCIO = +3.3V; LVTTLmin 2 V18
Switching Threshold VtVCCIO = +3.3V; LVTTLtyp 1.49 V18
Schmitt trigger negative going threshold voltage Vt-VCCIO = +3.3Vtyp 1.15 V18
Schmitt trigger positive going threshold voltage Vt+VCCIO = +3.3Vtyp 1.64 V18
Input pull-up resistance RpuVCCIO = +3.3V; Vin = 0min 40 · typ 75 · max 190 KΩ18
Input pull-down resistance RpdVCCIO = +3.3V; Vin =VCCIOmin 40 · typ 75 · max 190 KΩ18
Input Leakage Current IinVCCIO = +3.3V; Vin = 0min -10 · max 10 uA18
Tri-state output leakage current IozVCCIO = +3.3V; Vin = 5.5V or 0min -10 · max 10 uA18
Output Voltage High VohVCCIO = +2.5V; Ioh = +/-2mA; I/O Drive strength = 4mAmin 2.25 V19
Output Voltage High VohVCCIO = +2.5V; I/O Drive strength = 8mAmin 2.25 V19
Output Voltage High VohVCCIO = +2.5V; I/O Drive strength = 12mAmin 2.25 V19
Output Voltage High VohVCCIO = +2.5V; I/O Drive strength = 16mAmin 2.25 V19
Output Voltage Low VolVCCIO = +2.5V; Iol = +/-2mA; I/O Drive strength = 4mAtyp 0 · max 0.4 V19
Output Voltage Low VolVCCIO = +2.5V; I/O Drive strength = 8mAtyp 0 · max 0.4 V19
Output Voltage Low VolVCCIO = +2.5V; I/O Drive strength = 12mAtyp 0 · max 0.4 V19
Output Voltage Low VolVCCIO = +2.5V; I/O Drive strength = 16mAtyp 0 · max 0.4 V19
Input low Switching Threshold VilVCCIO = +2.5V; LVTTLmax 0.8 V19
Input High Switching Threshold VihVCCIO = +2.5V; LVTTLmin 0.8 V19
Switching Threshold VtVCCIO = +2.5V; LVTTLtyp 1.1 V19
Schmitt trigger negative going threshold voltage Vt-VCCIO = +2.5Vtyp 0.8 V19
Schmitt trigger positive going threshold voltage Vt+VCCIO = +2.5Vtyp 1.2 V19
Input pull-up resistance RpuVCCIO = +2.5V; Vin = 0min 40 · typ 75 · max 190 KΩ19
Input pull-down resistance RpdVCCIO = +2.5V; Vin =VCCIOmin 40 · typ 75 · max 190 KΩ19
Input Leakage Current IinVCCIO = +2.5V; Vin = 0min -10 · max 10 uA19
Tri-state output leakage current IozVCCIO = +2.5V; Vin = 5.5V or 0min -10 · max 10 uA19
Output Voltage High VohVCCIO = +1.8V; Ioh = +/-2mA; I/O Drive strength = 4mAmin 1.62 V20
Output Voltage High VohVCCIO = +1.8V; I/O Drive strength = 8mAmin 1.62 V20
Output Voltage High VohVCCIO = +1.8V; I/O Drive strength = 12mAmin 1.62 V20
Output Voltage High VohVCCIO = +1.8V; I/O Drive strength = 16mAmin 1.62 V20
Output Voltage Low VolVCCIO = +1.8V; Iol = +/-2mA; I/O Drive strength = 4mAtyp 0 · max 0.4 V20
Output Voltage Low VolVCCIO = +1.8V; I/O Drive strength = 8mAtyp 0 · max 0.4 V20
Output Voltage Low VolVCCIO = +1.8V; I/O Drive strength = 12mAtyp 0 · max 0.4 V20
Output Voltage Low VolVCCIO = +1.8V; I/O Drive strength = 16mAtyp 0 · max 0.4 V20
Input low Switching Threshold VilVCCIO = +1.8V; LVTTLmax 0.77 V20
Input High Switching Threshold VihVCCIO = +1.8V; LVTTLmin 1.6 V20
Switching Threshold VtVCCIO = +1.8V; LVTTLtyp 0.77 V20
Schmitt trigger negative going threshold voltage Vt-VCCIO = +1.8Vtyp 0.557 V20
Schmitt trigger positive going threshold voltage Vt+VCCIO = +1.8Vtyp 0.893 V20
Input pull-up resistance RpuVCCIO = +1.8V; Vin = 0min 40 · typ 75 · max 190 KΩ20
Input pull-down resistance RpdVCCIO = +1.8V; Vin =VCCIOmin 40 · typ 75 · max 190 KΩ20
Input Leakage Current IinVCCIO = +1.8V; Vin = 0min -10 · max 10 uA20
Tri-state output leakage current IozVCCIO = +1.8V; Vin = 5.5V or 0min -10 · max 10 uA20

Ordering codes, by the datasheet

1
FT231XQ-R
20 Pin QFN · Taped and Reel, 5,000pcs per reel · p. 2

Parameters

13
Applications Function
USB to UART
Current - Supply
8mA
Current - Supply(Max)
8.4mA
Data Rate
3Mbps
Features
FIFO buffer；Programmable baud rate；Built-in clock generator；Hardware flow control support；Power-on reset
Number of Channels
1
Operating Temperature
-40℃~+85℃
Output Current per Pin(Max)
22mA
Quiescent Supply Current
125uA
Standby Current
125uA
USB Protocol
USB 2.0
Voltage - Supply
1.62V~5.5V
Voltage - Supply(Absolute Max)
5.5V

Order codes

1

Pinout

20
The pins of the FT231XS-R
PinNameType
1DTROutput
2RTSOutput
3VCCIOPower in
4RXDInput
5RIInput
6GNDPower in
7DSRInput
8DCDInput
9CTSInput
10CBUS2Input/output
11USBDPInput/output
12USBDMInput/output
133V3OUTPower out
14RESETInput
15VCCPower in
16GNDPower in
17CBUS1Input/output
18CBUS0Input/output
19CBUS3Input/output
20TXDOutput

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Questions

Is there a KiCad symbol and footprint for the FT231XS-R?

Yes. The symbol is Interface_USB:FT231XS and the footprint Package_SO:SSOP-20_3.9x8.7mm_P0.635mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the FT231XS-R?

SSOP-20-150mil, with 20 pins. Its footprint is drawn on this page.

Where is the FT231XS-R datasheet?

FTDI publishes it: the Datasheet link on this page opens it.

Where can I order the FT231XS-R?

JLCPCB lists it as part C132160, with 3,937 in stock; the sellers' links on this page open their listings.

What can replace the FT231XS-R?

Parts like it in the library: the FT231XS-U by FTDI. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the FT231XS-R?

152 boards in 120 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

1