UART

UART stands for Universal Asynchronous Receiver-Transmitter. UART is a type of serial communication interface designed 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. Asynchronous is a type of serial communication where the interfaces at each end are not synchronised by a common clock signal.

These particular UART devices are stand-alone integrated circuits (ICs). However, you can also find UARTs within microcontrollers (MCUs), as they only require two wires for communication.

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).

Where is UART used?

  • Microcontroller based devices
  • GPS receivers
  • Bluetooth devices
  • Modems
  • Wireless communications

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.


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Omschrijving Prijs 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-stocknr. 165-9562
FabrikantnummerMAX3100CPD+
FabrikantMaxim Integrated
5,083 €
Each (In a Tube of 25)
Aantal stuks
1 IrDA 16B 16B 0.23MBd - Through Hole PDIP 14 3.3 V, 5 V 19.43 x 7.87 x 4.45mm - - -
RS-stocknr. 189-7772
FabrikantnummerMAX3100EEE+
FabrikantMaxim Integrated
5,395 €
Each (In a Tube of 100)
Aantal stuks
1 IrDA 16B 16B 0.23MBd - Surface Mount QSOP 16 2.7 → 5.5 V 4.98 x 3.99 x 1.55mm - - -
RS-stocknr. 190-1375
FabrikantnummerMAX3109ETJ+
FabrikantMaxim Integrated
6,665 €
Each (In a Pack of 2)
Aantal stuks
1 RS232, RS485 - - 24Mbit/s Yes Surface Mount TQFN 32 1.71 → 3.6 V 5.0 x 5.0 x 0.43mm - - -
RS-stocknr. 190-6193
FabrikantnummerMAX3100CEE+T
FabrikantMaxim Integrated
4,007 €
Each (On a Reel of 2500)
Aantal stuks
1 IrDA, RS232, RS485 - - - - Surface Mount QSOP 16 2.7 → 5.5 V 4.98 x 3.99 x 1.65mm - - -
RS-stocknr. 190-1253
FabrikantnummerMAX3100CEE+
FabrikantMaxim Integrated
4,34 €
Each (In a Pack of 2)
Aantal stuks
1 IrDA 16B 16B 0.23MBd - Surface Mount QSOP 16 2.7 → 5.5 V 4.98 x 3.99 x 1.55mm - - -
RS-stocknr. 165-9400
FabrikantnummerMAX3140CEI+
FabrikantMaxim Integrated
5,85 €
Each (In a Tube of 50)
Aantal stuks
1 RS422, RS485 - - 230kBd - Surface Mount QSOP 28 4.75 → 5.25 V 9.98 x 3.99 x 1.5mm - - -
RS-stocknr. 189-7769
FabrikantnummerMAX14830ETM+
FabrikantMaxim Integrated
11,422 €
Each (In a Tube of 43)
Aantal stuks
4 RS485 - - 24MBd - Surface Mount TQFN 48 2.35 → 3.6 V 7.1 x 7.1 x 0.75mm - - -
RS-stocknr. 190-1312
FabrikantnummerMAX3100EEE+
FabrikantMaxim Integrated
6,91 €
Each (In a Pack of 2)
Aantal stuks
1 IrDA 16B 16B 0.23MBd - Surface Mount QSOP 16 2.7 → 5.5 V 4.98 x 3.99 x 1.55mm - - -
RS-stocknr. 190-7271
FabrikantnummerMAX3100CEE+T
FabrikantMaxim Integrated
5,12 €
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 203-5826
FabrikantnummerMAX17841BGUE/V+
FabrikantMaxim Integrated
5,261 €
Each (In a Tube of 96)
Aantal stuks
1 UART - - 2Mbps - - TSSOP 16 3.1 → 3.5 V - - - -
RS-stocknr. 203-5827
FabrikantnummerMAX17841BGUE/V+
FabrikantMaxim Integrated
6,73 €
Each
Aantal stuks
1 UART - - 2Mbps - - TSSOP 16 3.1 → 3.5 V - - - -
RS-stocknr. 189-7770
FabrikantnummerMAX3100CEE+
FabrikantMaxim Integrated
3,851 €
Each (In a Tube of 100)
Aantal stuks
1 IrDA 16B 16B 0.23MBd - Surface Mount QSOP 16 2.7 → 5.5 V 4.98 x 3.99 x 1.55mm - - -
RS-stocknr. 190-1351
FabrikantnummerMAX3107ETG+
FabrikantMaxim Integrated
6,605 €
Each (In a Pack of 2)
Aantal stuks
1 RS232, RS485 - - 24Mbps Yes Surface Mount TQFN 24 2.35 → 3.6 V 3.6 x 3.6 x 0.75mm - - -
RS-stocknr. 189-7775
FabrikantnummerMAX3109ETJ+
FabrikantMaxim Integrated
5,916 €
Each (In a Tube of 60)
Aantal stuks
1 RS232, RS485 - - 24Mbit/s Yes Surface Mount TQFN 32 1.71 → 3.6 V 5.0 x 5.0 x 0.43mm - - -
RS-stocknr. 189-7773
FabrikantnummerMAX3107EAG+
FabrikantMaxim Integrated
5,25 €
Each (In a Tube of 58)
Aantal stuks
1 RS232, RS485 - - 24Mbps Yes Surface Mount SSOP 24 2.35 → 3.6 V 8.33 x 5.38 x 1.78mm - - -
RS-stocknr. 622-7964
FabrikantnummerMAX3100CEE+
FabrikantMaxim Integrated
4,41 €
Each
Aantal stuks
1 IrDA 16B 16B 0.23MBd - Surface Mount QSOP 16 2.7 → 5.5 V 4.98 x 3.99 x 1.55mm - - -
RS-stocknr. 732-9140
FabrikantnummerMAX3100CPD+
FabrikantMaxim Integrated
6,06 €
Each
Aantal stuks
1 IrDA 16B 16B 0.23MBd - Through Hole PDIP 14 3.3 V, 5 V 19.43 x 7.87 x 4.45mm - - -
RS-stocknr. 190-1465
FabrikantnummerMAX14830ETM+
FabrikantMaxim Integrated
13,60 €
Each
Aantal stuks
4 RS485 - - 24MBd - Surface Mount TQFN 48 2.35 → 3.6 V 7.1 x 7.1 x 0.75mm - - -
RS-stocknr. 190-1333
FabrikantnummerMAX3107EAG+
FabrikantMaxim Integrated
6,695 €
Each (In a Pack of 2)
Aantal stuks
1 RS232, RS485 - - 24Mbps Yes Surface Mount SSOP 24 2.35 → 3.6 V 8.33 x 5.38 x 1.78mm - - -
RS-stocknr. 189-7774
FabrikantnummerMAX3107ETG+
FabrikantMaxim Integrated
5,173 €
Each (In a Tube of 86)
Aantal stuks
1 RS232, RS485 - - 24Mbps Yes Surface Mount TQFN 24 2.35 → 3.6 V 3.6 x 3.6 x 0.75mm - - -