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.


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Beskrivning Pris 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-artikelnummer 686-5941
Tillv. art.nrST16C554DCJ68-F
VarumärkeEXAR
85,41 kr
Each
Enheter
4 - 16B 16B 1.5Mbit/s Yes Surface Mount PLCC 68 2.97 → 5.5 V 24.33 x 24.33 x 3.68mm 24.33mm 24.33mm 3.68mm
RS-artikelnummer 170-4449
Tillv. art.nrST16C554DCJ68-F
VarumärkeEXAR
81,202 kr
Each (In a Tube of 19)
Enheter
4 - 16B 16B 1.5Mbit/s Yes Surface Mount PLCC 68 2.97 → 5.5 V 24.33 x 24.33 x 3.68mm 24.33mm 24.33mm 3.68mm
RS-artikelnummer 730-0168
Tillv. art.nrFT232RQ-REEL
VarumärkeFTDI Chip
40,12 kr
Each
Enheter
1 RS232, RS422, RS485 UART 256B 128B 3MBd - Surface Mount QFN 32 5 V 5 x 5mm 5mm 5mm -
RS-artikelnummer 170-9073
Tillv. art.nrFT232RQ-REEL
VarumärkeFTDI Chip
21,86 kr
Each (On a Reel of 6000)
Enheter
1 RS232, RS422, RS485 UART 256B 128B 3MBd - Surface Mount QFN 32 5 V 5 x 5mm 5mm 5mm -
RS-artikelnummer 124-2421
Tillv. art.nrSC16IS752IPW,112
VarumärkeNXP
29,285 kr
Each (In a Tube of 51)
Enheter
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-artikelnummer 725-8846
Tillv. art.nrSC16IS752IPW,112
VarumärkeNXP
31,12 kr
Each
Enheter
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-artikelnummer 923-1587
Tillv. art.nrFT232HQ-REEL
VarumärkeFTDI Chip
25,127 kr
Each (On a Reel of 3000)
Enheter
1 RS232, RS422, RS485 UART - - 12Mbit/s - Surface Mount QFN 48 1.8 V, 3.3 V 7 x 7 x 1.4mm 7mm 7mm 1.4mm
RS-artikelnummer 923-1590
Tillv. art.nrFT200XD-R
VarumärkeFTDI Chip
12,664 kr
Each (On a Reel of 5000)
Enheter
1 SIE, UART 512B 512B 3.4Mbit/s Yes Surface Mount DFN 10 5 V 3 x 3 x 0.75mm 3mm 3mm 0.75mm
RS-artikelnummer 923-1581
Tillv. art.nrFT230XS-R
VarumärkeFTDI Chip
13,71 kr
Each (On a Reel of 3000)
Enheter
1 RS232, RS422, RS485, SIE, UART 512B 512B 3MBd Yes Surface Mount SSOP 16 5 V 0.197 x 0.157 x 0.059in 5mm 0.157in 1.5mm
RS-artikelnummer 737-7843
Tillv. art.nrFT232HL-REEL
VarumärkeFTDI Chip
37,84 kr
Each
Enheter
1 RS232, RS422, RS485 UART - - 12Mbit/s - Surface Mount LQFP 48 1.8 V, 3.3 V 7 x 7 x 1.4mm 7mm 7mm 1.4mm
RS-artikelnummer 737-7852
Tillv. art.nrFT232HQ-REEL
VarumärkeFTDI Chip
37,84 kr
Each
Enheter
1 RS232, RS422, RS485 UART - - 12Mbit/s - Surface Mount QFN 48 1.8 V, 3.3 V 7 x 7 x 1.4mm 7mm 7mm 1.4mm
RS-artikelnummer 757-0010
Tillv. art.nrFT230XS-R
VarumärkeFTDI Chip
18,095 kr
Each (In a Pack of 2)
Enheter
1 RS232, RS422, RS485, SIE, UART 512B 512B 3MBd Yes Surface Mount SSOP 16 5 V 0.197 x 0.157 x 0.059in 5mm 0.157in 1.5mm
RS-artikelnummer 757-0017
Tillv. art.nrFT200XD-R
VarumärkeFTDI Chip
18,145 kr
Each (In a Pack of 2)
Enheter
1 SIE, UART 512B 512B 3.4Mbit/s Yes Surface Mount DFN 10 5 V 3 x 3 x 0.75mm 3mm 3mm 0.75mm
RS-artikelnummer 923-1584
Tillv. art.nrFT232HL-REEL
VarumärkeFTDI Chip
26,424 kr
Each (On a Reel of 1500)
Enheter
1 RS232, RS422, RS485 UART - - 12Mbit/s - Surface Mount LQFP 48 1.8 V, 3.3 V 7 x 7 x 1.4mm 7mm 7mm 1.4mm
RS-artikelnummer 913-4256
Tillv. art.nrXR16L788IQ-F
VarumärkeEXAR
225,28 kr
Each (In a Tray of 66)
Enheter
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
Nytt
RS-artikelnummer 190-1333
Tillv. art.nrMAX3107EAG+
VarumärkeMaxim Integrated
62,555 kr
Each (In a Pack of 2)
Enheter
1 RS232, RS485 - - 24Mbps Yes Surface Mount SSOP 24 2.35 → 3.6 V 8.33 x 5.38 x 1.78mm 8.33mm 5.38mm 1.78mm
RS-artikelnummer 170-4554
Tillv. art.nrXR28V382IL32-F
VarumärkeEXAR
25,924 kr
Each (In a Tray of 490)
Enheter
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
RS-artikelnummer 170-4453
Tillv. art.nrST16C554DIJ68-F
VarumärkeEXAR
102,66 kr
Each (In a Tube of 19)
Enheter
4 - 16B 16B 1.5Mbit/s Yes Surface Mount PLCC 68 2.97 → 5.5 V 24.33 x 24.33 x 3.68mm 24.33mm 24.33mm 3.68mm
RS-artikelnummer 170-9074
Tillv. art.nrFT220XS-R
VarumärkeFTDI Chip
14,448 kr
Each (On a Reel of 3000)
Enheter
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-artikelnummer 686-5935
Tillv. art.nrST16C552CJ68-F
VarumärkeEXAR
72,69 kr
Each
Enheter
2 - 16B 16B 1.5Mbit/s Yes Surface Mount PLCC 68 2.97 → 5.5 V 24.33 x 24.33 x 3.68mm 24.33mm 24.33mm 3.68mm
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