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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제품설명 단가 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 제품 번호 757-0026
제조사 부품 번호FT230XQ-R
제조사FTDI Chip
₩3,416.20
Each (In a Pack of 2)
수량
1 RS232, RS422, RS485, SIE, UART 512B 512B 3MBd Yes Surface Mount QFN 16 5 V 4 x 4 x 0.75mm - - -
RS 제품 번호 923-1597
제조사 부품 번호FT230XQ-R
제조사FTDI Chip
₩2,607.10
Each (On a Reel of 5000)
수량
1 RS232, RS422, RS485, SIE, UART 512B 512B 3MBd Yes Surface Mount QFN 16 5 V 4 x 4 x 0.75mm - - -
RS 제품 번호 216-8416
제조사 부품 번호FT200XD-T
제조사FTDI Chip
₩3,177.50
Each (In a Tray of 490)
수량
- - 512B 512B 3.4Mbps - - DFN 10 +3.3 → 5.25 V - - - -
RS 제품 번호 786-1001
제조사 부품 번호MAX3140CEI+
제조사Maxim Integrated
₩14,101.90
Each
수량
1 RS422, RS485 - - 230kBd - Surface Mount QSOP 28 4.75 → 5.25 V 9.98 x 3.99 x 1.5mm - - -
RS 제품 번호 686-5890
제조사 부품 번호ST16C2550IQ48-F
제조사MaxLinear
₩11,958.25
Each
수량
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 - - -
RS 제품 번호 170-4449
제조사 부품 번호ST16C554DCJ68-F
제조사MaxLinear
₩14,712.60
Each (In a Tube of 19)
수량
4 - 16B 16B 1.5Mbit/s Yes Surface Mount PLCC 68 2.97 → 5.5 V 24.33 x 24.33 x 3.68mm - - -
RS 제품 번호 189-7769
제조사 부품 번호MAX14830ETM+
제조사Maxim Integrated
₩26,105.10
Each (In a Tube of 43)
수량
4 RS485 - - 24MBd - Surface Mount TQFN 48 2.35 → 3.6 V 7.1 x 7.1 x 0.75mm - - -
RS 제품 번호 170-9070
제조사 부품 번호FT2232HL
제조사FTDI Chip
₩8,583.90
Each (On a Reel of 1000)
수량
2 RS232, RS422, RS485 - - 480Mbit/s - Surface Mount LQFP 64 - 10 x 10 x 1.4mm - - -
RS 제품 번호 216-8418
제조사 부품 번호FT200XD-T
제조사FTDI Chip
₩3,286.00
Each (In a Pack of 5)
수량
- - 512B 512B 3.4Mbps - - DFN 10 +3.3 → 5.25 V - - - -
RS 제품 번호 686-5957
제조사 부품 번호ST16C554DIQ64-F
제조사MaxLinear
₩19,860.15
Each
수량
4 - 16B 16B 1.5Mbit/s Yes Surface Mount LQFP 64 2.97 → 5.5 V 10.1 x 10.1 x 1.45mm - - -
RS 제품 번호 725-8846
제조사 부품 번호SC16IS752IPW,112
제조사NXP
₩7,638.40
Each
수량
2 IrDA 64B 64B 5Mbit/s - Surface Mount TSSOP 28 2.5 V, 3.3 V 9.8 x 4.5 x 0.75mm - - -
RS 제품 번호 190-1253
제조사 부품 번호MAX3100CEE+
제조사Maxim Integrated
₩10,766.30
Each (In a Pack of 2)
수량
1 IrDA 16B 16B 0.23MBd - Surface Mount QSOP 16 2.7 → 5.5 V 4.98 x 3.99 x 1.55mm - - -
RS 제품 번호 189-7770
제조사 부품 번호MAX3100CEE+
제조사Maxim Integrated
₩8,670.70
Each (In a Tube of 100)
수량
1 IrDA 16B 16B 0.23MBd - Surface Mount QSOP 16 2.7 → 5.5 V 4.98 x 3.99 x 1.55mm - - -
RS 제품 번호 913-4238
제조사 부품 번호ST16C554DIQ64-F
제조사MaxLinear
₩14,571.55
Each (In a Tray of 160)
수량
4 - 16B 16B 1.5Mbit/s Yes Surface Mount LQFP 64 2.97 → 5.5 V 10.1 x 10.1 x 1.45mm - - -
RS 제품 번호 700-4380
제조사 부품 번호XR21V1414IM48-F
제조사EXAR
₩12,896.00
Each
수량
4 - - - - - Surface Mount TQFP 48 - 7 x 7 x 1mm - - -
RS 제품 번호 757-0036
제조사 부품 번호FT221XS-R
제조사FTDI Chip
₩4,408.20
Each (In a Pack of 2)
수량
1 SIE, UART 512B 512B 1Mbit/s Yes Surface Mount SSOP 20 5 V 0.344 x 0.157 x 0.059in - - -
RS 제품 번호 913-4222
제조사 부품 번호ST16C2552CJ44TR-F
제조사MaxLinear
₩8,483.15
Each (On a Reel of 500)
수량
2 RS232, RS485 16B 16B 4Mbit/s Yes Surface Mount PLCC 44 2.97 → 5.5 V 16.66 x 16.66 x 3.68mm - - -
RS 제품 번호 170-4469
제조사 부품 번호XR21V1414IM48-F
제조사EXAR
₩9,217.85
Each (In a Tray of 250)
수량
4 - - - - - Surface Mount TQFP 48 - 7 x 7 x 1mm - - -
RS 제품 번호 170-4580
제조사 부품 번호XR16C850CM-F
제조사MaxLinear
₩13,006.05
Each (In a Tray of 250)
수량
1 IrDA, RS232, RS422, RS485 - - 2Mbit/s Yes Surface Mount TQFP 48 3.3 V, 5 V 7.1 x 7.1 x 1.05mm - - -
RS 제품 번호 203-5826
제조사 부품 번호MAX17841BGUE/V+
제조사Maxim Integrated
₩9,639.45
Each (In a Tube of 96)
수량
1 UART - - 2Mbps - - TSSOP 16 3.1 → 3.5 V - - - -