Universal Asynchronous Receivers & Transmitters

Universal Asynchronous Receiver-Transmitter, more commonly referred to as UART, is a type of serial communication interface. UARTs primary function is to transmit and receive data via a data bus. It allows two devices, such as computers, to carry out data transmission over a wired connection. UARTs convert incoming and outgoing data bytes into a serial bit stream.

These particular UARTs are stand-alone integrated circuits (ICs). However, you can also find UARTs within microcontrollers (MCUs).

UART ICs (integrated circuits) are semiconductor devices which can be integrated into your electronics designs to enable UART communication. UART is a popular method of communication in electronics projects. It enables computer hardware to communicate with other modems and serial devices.

When choosing a UART IC, ensure that it meets the requirements of the modem transmission rate.

What does a UART consist of?

One side of the UART feature around 8 data lines and the control pins. The other side of the UART has two serial wires, the Transmission (TX) and the Receiving (RX).

Communication Standards

UARTs may feature a communication standard which defines the signals between devices. These standards include RS-232, RS-422 and RS-485.

What is baud rate?

UART baud rate is the speed at which the data is transferred which is given in bits per second (bit/s or bps). The devices that you are communicating between should both have the same baud rate.

What does Asynchronous mean?

Asynchronous is a type of serial communication where the interfaces at each end are not synchronised by a common clock signal.

What is USART?

USART is very similar in functionality to a UART device. However, it also offers the possibility of a synchronous mode.


...
Read more Read less

Filters

Viewing 61 - 80 of 159 products
Results per page
Description Price Number of Channels per Chip Standard Supported Transmit FIFO Receive FIFO Maximum Data Rate Transmitter and Receiver FIFO Counter Mounting Type Package Type Pin Count Typical Operating Supply Voltage Dimensions Length Width Height
RS Stock No. 170-4451
Mfr. Part No.ST16C554CQ64-F
BrandEXAR
MYR35.30
Each (In a Tray of 160)
units
4 - 16B 16B 1.5Mbit/s Yes Surface Mount LQFP 64 2.97 → 5.5 V 10.1 x 10.1 x 1.45mm 10.1mm 10.1mm 1.45mm
RS Stock No. 686-5948
Mfr. Part No.ST16C554CQ64-F
BrandMaxLinear
MYR46.05
Each
units
4 - 16B 16B 1.5Mbit/s Yes Surface Mount LQFP 64 2.97 → 5.5 V 10.1 x 10.1 x 1.45mm 10.1mm 10.1mm 1.45mm
RS Stock No. 686-5890
Mfr. Part No.ST16C2550IQ48-F
BrandMaxLinear
MYR25.76
Each
units
2 RS232, RS485 16B 16B 4Mbit/s Yes Surface Mount TQFP 48 2.97 → 5.5 V 7.1 x 7.1 x 1.05mm 7.1mm 7.1mm 1.05mm
RS Stock No. 170-4513
Mfr. Part No.ST16C654DIQ64-F
BrandEXAR
MYR56.28
Each (In a Tray of 160)
units
4 IrDA, RS232, RS422, RS485 64B 64B 1.5Mbit/s - Surface Mount LQFP 64 2.97 → 5.5 V 10 x 10 x 1.4mm 10mm 10mm 1.4mm
RS Stock No. 170-9074
Mfr. Part No.FT220XS-R
BrandFTDI Chip
MYR6.212
Each (On a Reel of 3000)
units
1 SIE, UART 512B 512B 500kbit/s Yes Surface Mount SSOP 16 5 V 0.197 x 0.157 x 0.059in 5mm 0.157in 1.5mm
RS Stock No. 190-6193
Mfr. Part No.MAX3100CEE+T
MYR21.934
Each (On a Reel of 2500)
units
1 IrDA, RS232, RS485 - - - - Surface Mount QSOP 16 2.7 → 5.5 V 4.98 x 3.99 x 1.65mm 4.98mm 3.99mm 1.65mm
RS Stock No. 913-4231
Mfr. Part No.ST16C550CJ44-F
BrandMaxLinear
MYR14.27
Each (In a Tube of 27)
units
1 RS232, RS422, RS485 16B 16B 1.5Mbit/s - Surface Mount PLCC 44 2.97 → 5.5 V 16.66 x 16.66 x 4.57mm 16.66mm 16.66mm 4.57mm
RS Stock No. 888-8716
Mfr. Part No.FT230XQ-T
BrandFTDI Chip
MYR8.34
Each (In a Pack of 10)
units
- - - - - - Surface Mount QFN 16 - 4 x 4 x 0.75mm 4mm 4mm 0.75mm
RS Stock No. 170-4452
Mfr. Part No.ST16C650ACQ48-F
BrandEXAR
MYR29.05
Each (In a Tray of 250)
units
1 IrDA 32B 32B 3.125Mbit/s Yes Surface Mount TQFP 48 2.9 → 5.5 V 7.1 x 7.1 x 1.05mm 7.1mm 7.1mm 1.05mm
RS Stock No. 189-7769
Mfr. Part No.MAX14830ETM+
MYR66.547
Each (In a Tube of 43)
units
4 RS485 - - 24MBd - Surface Mount TQFN 48 2.35 → 3.6 V 7.1 x 7.1 x 0.75mm 7.1mm 7.1mm 0.75mm
RS Stock No. 165-9400
Mfr. Part No.MAX3140CEI+
MYR27.224
Each (In a Tube of 50)
units
1 RS422, RS485 - - 230kBd - Surface Mount QSOP 28 4.75 → 5.25 V 9.98 x 3.99 x 1.5mm 9.98mm 3.99mm 1.5mm
RS Stock No. 121-8680
Mfr. Part No.TL16C554APN
MYR36.05
Each (In a Tray of 119)
units
4 - 16B 16B 1MBd Yes Surface Mount LQFP 80 5 V 12 x 12 x 1.4mm 12mm 12mm 1.4mm
RS Stock No. 121-8491
Mfr. Part No.TL16C452FN
MYR26.561
Each (In a Tube of 18)
units
- - - - - - - - - - - - - -
RS Stock No. 757-0036
Mfr. Part No.FT221XS-R
BrandFTDI Chip
MYR10.83
Each (In a Pack of 2)
units
1 SIE, UART 512B 512B 1Mbit/s Yes Surface Mount SSOP 20 5 V 0.344 x 0.157 x 0.059in 8.74mm 0.157in 1.5mm
RS Stock No. 189-7775
Mfr. Part No.MAX3109ETJ+
MYR35.142
Each (In a Tube of 60)
units
1 RS232, RS485 - - 24Mbit/s Yes Surface Mount TQFN 32 1.71 → 3.6 V 5.0 x 5.0 x 0.43mm 5mm 5.0mm 0.43mm
RS Stock No. 170-4518
Mfr. Part No.XR88C681J-F
BrandEXAR
MYR32.02
Each (In a Tube of 27)
units
2 RS232, RS422, RS485 1B 3B 1Mbit/s - Surface Mount PLCC 44 5 V 16.66 x 16.66 x 4.57mm 16.66mm 16.66mm 4.57mm
RS Stock No. 124-2421
Mfr. Part No.SC16IS752IPW,112
BrandNXP
MYR13.95
Each (In a Tube of 51)
units
2 IrDA 64B 64B 5Mbit/s - Surface Mount TSSOP 28 2.5 V, 3.3 V 9.8 x 4.5 x 0.75mm 9.8mm 4.5mm 0.75mm
RS Stock No. 913-4256
Mfr. Part No.XR16L788IQ-F
BrandMaxLinear
MYR146.185
Each (In a Tray of 66)
units
8 IrDA 64B 64B 6.25Mbit/s Yes Surface Mount PQFP 100 2.97 → 5.5 V 20.1 x 14.1 x 3.05mm 20.1mm 14.1mm 3.05mm
RS Stock No. 124-2420
Mfr. Part No.SC16C2550BIB48,151
BrandNXP
MYR18.717
Each (In a Tray of 250)
units
2 UART 16B 16B 5Mbit/s Yes Surface Mount LQFP 48 2.5 V, 3.3 V, 5 V 7.1 x 7.1 x 1.6mm 7.1mm 7.1mm 1.6mm
RS Stock No. 811-2971
Mfr. Part No.XR28V382IL32-F
BrandMaxLinear
MYR21.19
Each
units
2 IrDA, RS232, RS485 128B 128B 3Mbit/s Yes Surface Mount QFN 32 3.3 V 5 x 5 x 0.95mm 5mm 5mm 0.95mm
Related Products
The TTL-234X-3V3-2mm cable is terminated by an 8 ...
Description:
The TTL-234X-3V3-2mm cable is terminated by an 8 way, 2mm pitch, Single-In-Line (SIL) keyed connector. The TTL-234X-3V3-2mm operates at +3.3V levels (signals only, VCC=+5V). These cables are primarily intended for interfacing the FTDI VDRIVE2 and VMUSIC2 modules. Note that when ...
The VNC2 is the second of FTDI’s Vinculum ...
Description:
The VNC2 is the second of FTDI’s Vinculum family of Embedded dual USB host controller devices. The VNC2 device provides USB Host interfacing capability for a variety of different USB device classes including support for BOMS (bulk only mass storage), ...
The FT200XD and FT201X ICs are Full Speed ...
Description:
The FT200XD and FT201X ICs are Full Speed USB 2.0 devices that offer a compact bridge to I²C bus. The devices can acknowledge I²C bus data, capable of operating up to 3.4 Mbps, with low power consumption (8 mA). They ...
The FT220X and FT221X Full Speed USB 2.0 ...
Description:
The FT220X and FT221X Full Speed USB 2.0 ICs offer a compact bridge to 4-Bit SPI / FT1248 interfaces. The devices can acknowledge USB bus data, capable of operating up to 500 kbps, with low power consumption (8 mA). The ...