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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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. 545-8117
FabrikantnummerTL16C754BPN
€ 15,66
Each
Aantal stuks
4 - 64B 64B 3Mbit/s - Surface Mount LQFP 80 2.7 → 5.5 V 12 x 12 x 1.4mm 12mm 12mm 1.4mm
RS-stocknr. 162-4339
FabrikantnummerTL16C450FN
€ 3,655
Each (In a Tube of 26)
Aantal stuks
1 - - - 0.256Mbit/s - Surface Mount PLCC 44 5 V 16.59 x 16.59 x 4.06mm 16.59mm 16.59mm 4.06mm
RS-stocknr. 182-2508
FabrikantnummerTL16C450FN
€ 4,06
Each
Aantal stuks
1 - - - 0.256Mbit/s - Surface Mount PLCC 44 5 V 16.59 x 16.59 x 4.06mm 16.59mm 16.59mm 4.06mm
RS-stocknr. 662-3921
FabrikantnummerTL16C550CPTR
€ 1,896
Each (In a Pack of 5)
Aantal stuks
1 - 16B 16B 1MBd Yes Surface Mount LQFP 48 3 → 5.25 V 7 x 7 x 1.4mm 7mm 7mm 1.4mm
RS-stocknr. 545-8044
FabrikantnummerTL16C554IFN
€ 14,27
Each
Aantal stuks
4 - 16B 16B 1MBd Yes Surface Mount PLCC 68 5 V 24.23 x 24.23 x 4.06mm 24.23mm 24.23mm 4.06mm
RS-stocknr. 531-2500
FabrikantnummerTL16C552AFN
€ 7,79
Each
Aantal stuks
2 - 16B 16B 1MBd - Surface Mount PLCC 68 5 V 24.23 x 24.23 x 4.06mm 24.23mm 24.23mm 4.06mm
RS-stocknr. 162-7081
FabrikantnummerTL16C2550PFB
€ 3,902
Each (In a Tray of 250)
Aantal stuks
2 - 16B 16B 1.5MBd Yes Surface Mount TQFP 48 5 V 7 x 7 x 1mm 7mm 7mm 1mm
RS-stocknr. 182-2570
FabrikantnummerTL16C452FN
€ 6,19
Each
Aantal stuks
2 - - - 0.256Mbit/s - Surface Mount PLCC 68 5 V 24.23 x 24.23 x 4.06mm 24.23mm 24.23mm 4.06mm
RS-stocknr. 162-7083
FabrikantnummerTL16C550CPTR
€ 1,864
Each (On a Reel of 1000)
Aantal stuks
1 - 16B 16B 1MBd Yes Surface Mount LQFP 48 3 → 5.25 V 7 x 7 x 1.4mm 7mm 7mm 1.4mm
RS-stocknr. 662-3915
FabrikantnummerTL16C550CFNR
€ 4,302
Each (In a Pack of 5)
Aantal stuks
1 - 16B 16B 1MBd Yes Surface Mount PLCC 44 3 → 5.25 V 16.59 x 16.59 x 4.06mm 16.59mm 16.59mm 4.06mm
RS-stocknr. 121-8987
FabrikantnummerPC16552DV/NOPB
€ 7,611
Each (In a Tube of 25)
Aantal stuks
2 - 16B 16B 1.5MBd Yes Surface Mount PLCC 44 5 V 16.51 x 16.51 x 3.68mm 16.51mm 16.51mm 3.68mm
RS-stocknr. 814-4032
FabrikantnummerTIR1000PSR
€ 1,372
Each (On a Tape of 5)
Aantal stuks
- - - - - - Surface Mount SOIC 8 - 6.5 x 5.6 x 1.85mm 6.5mm 5.6mm 1.85mm
RS-stocknr. 662-3946
FabrikantnummerTL16C554FNR
€ 10,21
Each
Aantal stuks
4 - 16B 16B 1MBd Yes Surface Mount PLCC 68 5 V 24.23 x 24.23 x 4.06mm 24.23mm 24.23mm 4.06mm
RS-stocknr. 162-7086
FabrikantnummerTL16C554FNR
€ 7,546
Each (On a Reel of 250)
Aantal stuks
4 - 16B 16B 1MBd Yes Surface Mount PLCC 68 5 V 24.23 x 24.23 x 4.06mm 24.23mm 24.23mm 4.06mm
RS-stocknr. 546-1472
FabrikantnummerTL16C552FN
€ 9,68
Each
Aantal stuks
2 - 16B 16B 1Mbit/s - Surface Mount PLCC 68 5 V 24.23 x 24.23 x 4.06mm 24.23mm 24.23mm 4.06mm
RS-stocknr. 662-3911
FabrikantnummerTL16C452FNR
€ 5,83
Each
Aantal stuks
2 - - - 0.256Mbit/s - Surface Mount PLCC 68 5 V 24.23 x 24.23 x 4.06mm 24.23mm 24.23mm 4.06mm
RS-stocknr. 162-7082
FabrikantnummerTL16C452FNR
€ 4,021
Each (On a Reel of 250)
Aantal stuks
2 - - - 0.256Mbit/s - Surface Mount PLCC 68 5 V 24.23 x 24.23 x 4.06mm 24.23mm 24.23mm 4.06mm
RS-stocknr. 662-5309
FabrikantnummerTL16C554AIPN
€ 9,57
Each
Aantal stuks
4 - 16B 16B 1MBd Yes Surface Mount LQFP 80 5 V 12 x 12 x 1.4mm 12mm 12mm 1.4mm
RS-stocknr. 145-6173
FabrikantnummerTL16C554IFN
€ 11,213
Each (In a Tube of 18)
Aantal stuks
4 - 16B 16B 1MBd Yes Surface Mount PLCC 68 5 V 24.23 x 24.23 x 4.06mm 24.23mm 24.23mm 4.06mm
RS-stocknr. 646-6327
FabrikantnummerPC16552DV/NOPB
€ 9,40
Each
Aantal stuks
2 - 16B 16B 1.5MBd Yes Surface Mount PLCC 44 5 V 16.51 x 16.51 x 3.68mm 16.51mm 16.51mm 3.68mm