What are UARTs (Universal Asynchronous Receiver Transmitter) ?
UARTs (Universal Asynchronous Receiver Transmitter) are integrated circuits that enable asynchronous serial communication by converting parallel data into a serial format for transmission. They are widely used in applications such as wireless and RF signal chains, new product design, and maintenance of electronic systems. Important specifications for selection include Data Rate (Max), which affects the speed of data transfer; Protocol, which determines the communication standard; and Voltage, which ensures compatibility with the power supply. Procurement teams should validate lifecycle status and consider alternate-source options to mitigate sourcing risks.
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| Part & Mfr | Data Rate (Max) | FIFOs | Features | Mounting Type | Number of Channels | Protocol | Supplier Device Package | Voltage | With Auto Flow Control | With False Start Bit Detection | With IrDA Encoder | With Modem Control | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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FTDI, Future Technology Devices International Ltd
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1Mbps | 128 Byte | Configurable GPIO, Internal Oscillator, Timer/Counter | Surface Mount | 2, DUART | RS232, RS485 | 48-LQFP (7x7) | 3V ~ 5.25V | - | - | - | - | |
Analog Devices / Maxim Integrated
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- | 128 Byte | Internal Oscillator | Surface Mount | 1, UART | RS232, RS485 | 25-WLP (2.19x2.19) | 1.71V ~ 3.6V | Yes | - | Yes | - | |
Analog Devices / Maxim Integrated
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- | 128 Byte | Internal Oscillator | Surface Mount | 4, QUART | RS232, RS485 | 48-TQFN (7x7) | 3.6V ~ 1.71V | Yes | No | Yes | No | |
Analog Devices / Maxim Integrated
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- | 128 Byte | Internal Oscillator | Surface Mount | 4, QUART | RS232, RS485 | 48-TQFN (7x7) | 3.6V ~ 1.71V | Yes | No | Yes | No | |
Renesas
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- | - | - | Surface Mount | - | - | 28-PLCC (11.51x11.51) | - | - | - | - | - | |
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Maxlinear
|
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8Mbps | 64 Byte | Timer/Counter | Surface Mount | 8, OCTART | RS232, RS422, RS485 | 144-LQFP (20x20) | 3V ~ 3.6V | Yes | Yes | Yes | Yes | |
Texas Instruments
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1.5Mbps | 16 Byte | - | Surface Mount | 2, DUART | - | 44-PLCC (16.58x16.58) | 5V | - | Yes | - | Yes | |
NXP Semiconductors
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1Mbps | 8 Byte | Internal Oscillator, Timer/Counter | Through Hole | 4, QUART | - | 48-DIP | 5V | Yes | Yes | - | Yes | |
Texas Instruments
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1Mbps | 64 Byte | - | Surface Mount | 1, UART | - | 64-LQFP (10x10) | 3V ~ 5.25V | Yes | Yes | - | Yes | |
Texas Instruments
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- | 16 Byte | False-start Bit Detection | Through Hole | 1, UART | Printer | 40-PDIP | 3.3V, 5V | Yes | Yes | - | Yes | |
Texas Instruments
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- | 16 Byte | False-start Bit Detection | Surface Mount | 1, UART | Printer | 44-PLCC (16.58x16.58) | 3.3V, 5V | Yes | Yes | - | Yes | |
Texas Instruments
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- | 64 Byte | - | Surface Mount | 1, UART | - | 100-BGA MICROSTAR (10x10) | 3V ~ 3.6V | - | - | - | Yes | |
NXP Semiconductors
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5Mbps | 16 Byte | - | Surface Mount | 4, QUART | - | 68-PLCC (24.18x24.18) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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1Mbps | 8 Byte | Configurable GPIO, Internal Oscillator, Timer/Counter | Surface Mount | 2, DUART | - | 44-PLCC (16.59x16.59) | 5V | Yes | Yes | - | Yes | |
Texas Instruments
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1Mbps | 16 Byte | - | Surface Mount | 4, QUART | - | 80-LQFP (12x12) | 3V ~ 5.25V | Yes | Yes | - | Yes | |
NXP Semiconductors
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- | 16 Byte | Internal Oscillator, Timer/Counter | Surface Mount | 4, QUART | - | 68-PLCC (24.18x24.18) | 3.3V, 5V | Yes | Yes | - | Yes | |
NXP Semiconductors
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- | 16 Byte | Internal Oscillator, Timer/Counter | Surface Mount | 8 | - | 84-PLCC (29.26x29.26) | 3.3V, 5V | Yes | Yes | - | Yes | |
NXP Semiconductors
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- | - | Configurable GPIO, Internal Oscillator, Timer/Counter | Surface Mount | 1, UART | - | 24-SO | 5V | Yes | Yes | - | - | |
NXP Semiconductors
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5Mbps | 16 Byte | - | Surface Mount | 2, DUART | - | 44-PLCC (16.59x16.59) | 2.5V, 3.3V, 5V | - | Yes | - | Yes | |
NXP Semiconductors
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1Mbps | 8 Byte | Configurable GPIO, Internal Oscillator, Timer/Counter | Through Hole | 2, DUART | - | 40-DIP | 5V | Yes | Yes | - | Yes | |
NXP Semiconductors
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- | 16 Byte | Internal Oscillator, Timer/Counter | Surface Mount | 8 | - | 100-LQFP (14x14) | 3.3V, 5V | Yes | Yes | - | Yes | |
NXP Semiconductors
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- | - | Configurable GPIO, Internal Oscillator, Timer/Counter | Surface Mount | 1, UART | - | 28-PLCC (11.48x11.48) | 5V | Yes | Yes | - | - | |
NXP Semiconductors
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1Mbps | - | Configurable GPIO, Internal Oscillator, Timer/Counter | Through Hole | 2, DUART | - | 40-DIP | 5V | Yes | Yes | - | - | |
NXP Semiconductors
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5Mbps | 16 Byte | - | Surface Mount | 4, QUART | - | 64-LQFP (10x10) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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3Mbps | 32 Byte | - | Through Hole | 1, UART | - | 40-DIP | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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5Mbps | 32 Byte | - | Surface Mount | 2, DUART | - | 32-HVQFN (5x5) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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5Mbps | 16 Byte | - | Surface Mount | 2, DUART | - | 44-PLCC (16.59x16.59) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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5Mbps | 16 Byte | - | Surface Mount | 2, DUART | - | 48-LQFP (7x7) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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5Mbps | 16 Byte | - | Through Hole | 2, DUART | - | 40-DIP | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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3Mbps | 16 Byte | - | Surface Mount | 1, UART | - | 44-PLCC (16.59x16.59) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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3Mbps | 16 Byte | - | Surface Mount | 1, UART | - | 48-LQFP (7x7) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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3Mbps | 16 Byte | - | Through Hole | 1, UART | - | 40-DIP | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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5Mbps | 16 Byte | - | Surface Mount | 4, QUART | - | 64-LQFP (7x7) | 2.5V, 3.3V, 5V | Yes | Yes | - | Yes | |
NXP Semiconductors
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5Mbps | 16 Byte | - | Surface Mount | 4, QUART | - | 68-PLCC (24.18x24.18) | 2.5V, 3.3V, 5V | Yes | Yes | - | Yes | |
NXP Semiconductors
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5Mbps | 16 Byte | - | Surface Mount | 4, QUART | - | 80-LQFP (12x12) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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3Mbps | 32 Byte | - | Surface Mount | 1, UART | - | 44-PLCC (16.59x16.59) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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3Mbps | 32 Byte | - | Surface Mount | 1, UART | - | 48-LQFP (7x7) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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3Mbps | 32 Byte | - | Surface Mount | 1, UART | - | 32-HVQFN (5x5) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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5Mbps | 32 Byte | - | Surface Mount | 2, DUART | - | 48-LQFP (7x7) | 2.5V, 3.3V, 5V | Yes | Yes | - | Yes | |
NXP Semiconductors
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5Mbps | 64 Byte | - | Surface Mount | 4, QUART | - | 64-LQFP (7x7) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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5Mbps | 64 Byte | - | Surface Mount | 4, QUART | - | 64-LFBGA (6x6) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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5Mbps | 64 Byte | - | Surface Mount | 4, QUART | - | 64-LQFP (10x10) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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5Mbps | 64 Byte | - | Surface Mount | 4, QUART | - | 68-PLCC (24.18x24.18) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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5Mbps | 64 Byte | - | Surface Mount | 4, QUART | - | 64-LQFP (10x10) | 2.5V, 3.3V, 5V | Yes | Yes | Yes | Yes | |
NXP Semiconductors
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3Mbps | 64 Byte | - | Surface Mount | 1, UART | - | 64-LQFP (10x10) | 2.5V, 3.3V, 5V | Yes | Yes | - | Yes | |
NXP Semiconductors
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3Mbps | 64 Byte | - | Surface Mount | 1, UART | - | 32-HVQFN (5x5) | 2.5V, 3.3V, 5V | Yes | Yes | - | Yes | |
NXP Semiconductors
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3Mbps | 64 Byte | - | Surface Mount | 1, UART | - | 44-PLCC (16.59x16.59) | 2.5V, 3.3V, 5V | Yes | Yes | - | Yes | |
NXP Semiconductors
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3Mbps | 64 Byte | - | Surface Mount | 1, UART | - | 64-LQFP (10x10) | 2.5V, 3.3V, 5V | Yes | Yes | - | Yes | |
NXP Semiconductors
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5Mbps | 64 Byte | - | Surface Mount | 2, DUART | - | 48-LQFP (7x7) | 2.5V, 3.3V, 5V | Yes | Yes | - | Yes | |
NXP Semiconductors
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5Mbps | 64 Byte | - | Surface Mount | 4, QUART | - | 64-LQFP (7x7) | 2.5V, 3.3V, 5V | Yes | Yes | - | Yes |
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