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UARTs (Universal Asynchronous Receiver Transmitter)

Manufacturers	Package/Case	Series	Packaging	Product Status	Features	Number of Channels	FIFO's	Protocol	Data Rate (Max)	Voltage - Supply	With Auto Flow Control	With IrDA Encoder/Decoder	With False Start Bit Detection	With Modem Control	Grade	Qualification	Mounting Type	Supplier Device Package
Advanced Micro Devices Analog Devices Inc. Analog Devices Inc./Maxim Integrated Exar FTDI, Future Technology Devices International Ltd Harris Corporation Intersil MaxLinear, Inc. Microchip Technology National Semiconductor NXP Semiconductors Renesas Rochester Electronics, LLC Sipex SMSC Texas Instruments	- 100-BQFP 100-LFBGA 100-LQFP 100-TQFP 113-LFBGA 144-LQFP 16-TSSOP (0.173", 4.40mm Width) 176-LFBGA 24-DIP (0.300", 7.62mm) 24-SOIC (0.295", 7.50mm Width) 24-TSSOP (0.173", 4.40mm Width) 24-VFBGA 24-VFQFN Exposed Pad 24-WFQFN Exposed Pad 25-WFBGA 25-WFBGA, WLCSP 28-CDIP 28-CDIP (0.600", 15.24mm) 28-DIP (0.600", 15.24mm) 28-LCC (J-Lead) 28-SOIC (0.295", 7.50mm Width) 28-SSOP (0.154", 3.90mm Width) 32-LQFP 32-VFQFN Exposed Pad 32-WFQFN Exposed Pad 36-TFBGA 40-CDIP (0.600", 15.24mm) 40-DIP 40-DIP (0.600", 15.24mm) 40-VFQFN Exposed Pad 44-LCC (J-Lead) 44-LQFP 44-QFP 48-DIP (0.600", 15.24mm) 48-LQFP 48-QFP 48-TFSOP (0.240", 6.10mm Width) 48-TQFP 48-VFQFN Exposed Pad 48-WFQFN Exposed Pad 52-LCC (J-Lead) 56-TFSOP (0.240", 6.10mm Width) 64-LQFP 64-QFP 64-VFQFN Exposed Pad 68-LCC (J-Lead) 80-BQFP 80-LQFP 84-LCC (J-Lead)	* - Impact ST16C1450 ST16C2450 ST16C450 ST16C452 ST16C550 ST16C552 ST16C650 ST16C654 ST68C554 ST78C36 XR16C850 XR16L651 XR16V654	Bag Bulk Cut Tape (CT) Tape & Reel (TR) Tray Tube	Active Discontinued at Masstock Electronics Last Time Buy Obsolete	- Configurable GPIO, Internal Oscillator, Timer/Counter Configurable GPIO, Printer Port, Timer/Counter Counter, Internal Oscillator False-start Bit Detection Internal Oscillator Internal Oscillator, Printer Port, Timer/Counter Internal Oscillator, Timer/Counter Printer Port Timer/Counter	- 1 1, UART 2 2, DUART 4 4, QUART 8 8, OCTART	- 1 Byte 128 Byte 16 Byte 256 Byte 3 Byte 32 Byte 384 Byte, 128 Byte 64 Byte 8 Byte	- IrDA IrDA, RS232 , RS485 Printer RS232 RS232, RS422 RS232, RS422, RS485 RS232, RS485 RS485	- 1.5Mbps 15Mbps 16Mbps 1MBaud 1Mbps 20Mbps 230.4Kbps 24Mbps 250kbps 25kBaud 2Mbps 3.125Mbps 31.25Mbps 3Mbps 400kbps 40kBaud 4Mbps 5Mbps 6.25Mbps 625kbps 6Mbps 8Mbps	- 1.2V, 3.3V 1.62V ~ 1.98V, 2.75V ~ 2.75V, 3V ~ 3.6V 1.62V ~ 3.63V 1.62V ~ 5.5V 1.65V ~ 1.95V 1.65V ~ 1.95V, 1.71V ~ 3.6V, 2.35V 1.71V ~ 3.6V 1.8V 1.8V ~ 5V 2.25V ~ 3.6V 2.25V ~ 5.5V 2.3V ~ 3.6V 2.5V ~ 3.3V 2.5V, 3.3V, 5V 2.7V ~ 3.3V 2.7V ~ 3.6V 2.7V ~ 5.5V 2.97V ~ 3.63V, 4.5V ~ 5.5V 2.97V ~ 5.5V 2.9V ~ 5.5V 3.3V 3.3V ~ 5.5V 3.3V ~ 5V 3.3V, 5V 3V ~ 3.6V 3V ~ 5.25V 4.5V ~ 5.5V 4.75V ~ 5.25V 4V ~ 10.5V 5V 7V	- No Yes	- No Yes	- No Yes	- No Yes	- Automotive	- AEC-Q100	- Surface Mount Through Hole	- 100-BGA MICROSTAR (10x10) 100-LQFP (14x14) 100-QFP (14x20) 100-TQFP (14x14) 113-FPBGA (9x9) 144-LQFP (20x20) 16-TSSOP 176-FPBGA (13x13) 24-BGA MICROSTAR JUNIOR (3x3) 24-DIP 24-HVQFN (4x4) 24-QFN (4x4) 24-SO 24-TQFN (3.5x3.5) 24-TSSOP 25-BGA (3x3) 25-WLP (2.19x2.19) 28-CDIP 28-CerDip 28-DIP 28-PDIP 28-PLCC (11.48x11.48) 28-PLCC (11.51x11.51) 28-SOIC 28-SSOP/QSOP 32-HVQFN (5x5) 32-LQFP (7x7) 32-QFN (5x5) 32-TQFN (5x5) 32-VQFN (5x5) 36-TFBGA (3.5x3.5) 40-DIP 40-PDIP 40-QFN (6x6) 40-SBDIP 44-LQFP (10x10) 44-PLCC 44-PLCC (16.58x16.58) 44-PLCC (16.59x16.59) 44-PQFP (10x10) 44-QFP (10x10) 48-DIP 48-HVQFN (6x6) 48-LQFP (7x7) 48-QFN (7x7) 48-QFP 48-TQFN (7x7) 48-TQFP 48-TQFP (7x7) 48-TSSOP 52-PLCC (19.15x19.15) 56-TSSOP 64-LQFP (10x10) 64-LQFP (7x7) 64-PLCC 64-QFN (9x9) 68-PLCC (24.18x24.18) 68-PLCC (24.23x24.23) 80-LQFP (12x12) 80-QFP (14x20) 84-PLCC (29.26x29.26)

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Mfr. Part #	Price	Quantity	Datasheet	Package/Case	Series	Packaging	Product Status	Features	Number of Channels	FIFO's	Protocol	Data Rate (Max)	Voltage - Supply	With Auto Flow Control	With IrDA Encoder/Decoder	With False Start Bit Detection	With Modem Control	Grade	Qualification	Mounting Type	Supplier Device Package
SCC2681AE1N40,112 IC DUART 1MBPS 40DIP NXP USA Inc.	-	RFQ	Datasheet	40-DIP (0.600", 15.24mm)	-	Tube	Obsolete	Configurable GPIO, Internal Oscillator, Timer/Counter	2, DUART	-	-	1Mbps	5V	Yes	-	Yes	-	-	-	Through Hole	40-DIP
SCC68681E1N40,112 IC DUART 1MBPS 40DIP NXP USA Inc.	-	RFQ	Datasheet	40-DIP (0.600", 15.24mm)	-	Tube	Obsolete	Configurable GPIO, Internal Oscillator, Timer/Counter	2, DUART	-	-	1Mbps	5V	Yes	-	Yes	-	-	-	Through Hole	40-DIP
NS16C2752TVAX/NOPB IC DUAL UART 64BYTE 44-PLCC Texas Instruments	-	RFQ	Datasheet	44-LCC (J-Lead)	-	Tape & Reel (TR)	Obsolete	-	2, DUART	64 Byte	-	5Mbps	2.97V ~ 5.5V	Yes	Yes	-	Yes	-	-	Surface Mount	44-PLCC (16.58x16.58)
XR16L2551ILTR-F IC UART FIFO 16B DUAL 32QFN MaxLinear, Inc.	-	RFQ	Datasheet	32-VFQFN Exposed Pad	-	Tape & Reel (TR)	Obsolete	Internal Oscillator, Timer/Counter	2, DUART	16 Byte	RS232	3.125Mbps	2.25V ~ 5.5V	Yes	Yes	Yes	Yes	-	-	Surface Mount	32-QFN (5x5)
XR16L2550IMTR-F IC UART FIFO 16B DUAL 48TQFP MaxLinear, Inc.	-	RFQ	Datasheet	48-TQFP	-	Tape & Reel (TR)	Active	Internal Oscillator, Timer/Counter	2, DUART	16 Byte	RS232	4Mbps	2.25V ~ 5.5V	Yes	Yes	Yes	Yes	-	-	Surface Mount	48-TQFP (7x7)
TL16C552AIFNG4 IC ASYNC COMM ELEMENT 68-PLCC Texas Instruments	-	RFQ	Datasheet	68-LCC (J-Lead)	-	Tube	Obsolete	Printer Port	2, DUART	16 Byte	-	1Mbps	4.75V ~ 5.25V	-	-	Yes	Yes	-	-	Surface Mount	68-PLCC (24.23x24.23)
SCC2681TC1A44,512 IC DUART 1MBPS 44PLCC NXP USA Inc.	-	RFQ	Datasheet	44-LCC (J-Lead)	-	Tube	Obsolete	Configurable GPIO, Internal Oscillator, Timer/Counter	2, DUART	-	-	1Mbps	5V	Yes	-	Yes	-	-	-	Surface Mount	44-PLCC (16.59x16.59)
XR16L2550IL-F IC UART FIFO 16B DUAL 32QFN MaxLinear, Inc.	-	RFQ	Datasheet	32-VFQFN Exposed Pad	-	Tray	Obsolete	Internal Oscillator, Timer/Counter	2, DUART	16 Byte	RS232	4Mbps	2.25V ~ 5.5V	Yes	Yes	Yes	Yes	-	-	Surface Mount	32-QFN (5x5)
TL16C554APNRG4 IC ASYNC COMM ELEMENT 80-LQFP Texas Instruments	-	RFQ	Datasheet	80-LQFP	-	Tape & Reel (TR)	Obsolete	-	4, QUART	16 Byte	-	1Mbps	3V ~ 5.25V	Yes	-	Yes	Yes	-	-	Surface Mount	80-LQFP (12x12)
XR16L2552IJTR-F IC UART FIFO 16B DUAL 44PLCC MaxLinear, Inc.	-	RFQ	Datasheet	44-LCC (J-Lead)	-	Tape & Reel (TR)	Active	Internal Oscillator, Timer/Counter	2, DUART	16 Byte	RS232	3.125Mbps	2.25V ~ 5.5V	Yes	Yes	Yes	Yes	-	-	Surface Mount	44-PLCC (16.59x16.59)
ST16C650ACJ44TR-F IC UART FIFO 32B 44PLCC MaxLinear, Inc.	-	RFQ	Datasheet	44-LCC (J-Lead)	ST16C650	Tape & Reel (TR)	Last Time Buy	Internal Oscillator, Printer Port, Timer/Counter	1, UART	32 Byte	RS232, RS422, RS485	3.125Mbps	2.9V ~ 5.5V	Yes	Yes	Yes	Yes	-	-	Surface Mount	44-PLCC (16.59x16.59)
XR16L2752CJTR-F IC UART FIFO 64B DUAL 44PLCC MaxLinear, Inc.	-	RFQ	Datasheet	44-LCC (J-Lead)	-	Tape & Reel (TR)	Active	Internal Oscillator, Timer/Counter	2, DUART	64 Byte	RS232, RS485	6.25Mbps	2.25V ~ 5.5V	Yes	Yes	Yes	Yes	-	-	Surface Mount	44-PLCC (16.59x16.59)
XR16V2550ILTR-F IC UART FIFO 16B DUAL 32QFN MaxLinear, Inc.	-	RFQ	Datasheet	32-VFQFN Exposed Pad	-	Tape & Reel (TR)	Active	Internal Oscillator, Timer/Counter	2, DUART	16 Byte	RS232, RS422	16Mbps	2.25V ~ 3.6V	Yes	Yes	Yes	Yes	-	-	Surface Mount	32-QFN (5x5)
ST16C554DIJ68TR-F IC UART FIFO 16B QUAD 68PLCC MaxLinear, Inc.	-	RFQ	Datasheet	68-LCC (J-Lead)	-	Tape & Reel (TR)	Obsolete	Internal Oscillator, Timer/Counter	4, QUART	16 Byte	RS232	1.5Mbps	2.97V ~ 5.5V	Yes	-	Yes	Yes	-	-	Surface Mount	68-PLCC (24.23x24.23)
TL16C554AIPNRG4 IC ASYNC COMM ELEMENT 80-LQFP Texas Instruments	-	RFQ	Datasheet	80-LQFP	-	Tape & Reel (TR)	Obsolete	-	4, QUART	16 Byte	-	1Mbps	3V ~ 5.25V	Yes	-	Yes	Yes	-	-	Surface Mount	80-LQFP (12x12)
SC16C2550BIB48,151 IC UART DUAL W/FIFO 48-LQFP NXP USA Inc.	-	RFQ	Datasheet	48-LQFP	-	Tray	Obsolete	-	2, DUART	16 Byte	-	5Mbps	2.5V, 3.3V, 5V	Yes	-	Yes	Yes	-	-	Surface Mount	48-LQFP (7x7)
SCC2681TC1A44,529 IC DUART 1MBPS 44PLCC NXP USA Inc.	-	RFQ	Datasheet	44-LCC (J-Lead)	-	Tube	Obsolete	Configurable GPIO, Internal Oscillator, Timer/Counter	2, DUART	-	-	1Mbps	5V	Yes	-	Yes	-	-	-	Surface Mount	44-PLCC (16.59x16.59)
XR16V2550IL-F IC UART FIFO 16B DUAL 32QFN MaxLinear, Inc.	-	RFQ	Datasheet	32-VFQFN Exposed Pad	-	Tray	Active	Internal Oscillator, Timer/Counter	2, DUART	16 Byte	RS232, RS422	16Mbps	2.25V ~ 3.6V	Yes	Yes	Yes	Yes	-	-	Surface Mount	32-QFN (5x5)
SCC2692AE1N28,602 IC DUART 1MBPS 28DIP NXP USA Inc.	-	RFQ	Datasheet	28-DIP (0.600", 15.24mm)	-	Tube	Obsolete	Configurable GPIO, Internal Oscillator, Timer/Counter	2, DUART	-	-	1Mbps	5V	Yes	-	Yes	-	-	-	Through Hole	28-DIP
XR16L2551IM-F IC UART FIFO 16B DUAL 48TQFP MaxLinear, Inc.	-	RFQ	Datasheet	48-TQFP	-	Tray	Active	Internal Oscillator, Timer/Counter	2, DUART	16 Byte	RS232	3.125Mbps	2.25V ~ 5.5V	Yes	Yes	Yes	Yes	-	-	Surface Mount	48-TQFP (7x7)

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UARTs (Universal Asynchronous Receiver Transmitter) Products & Selection Guide

UARTs (Universal Asynchronous Receiver Transmitter) are widely used in industrial automation, automotive electronics, communication equipment, consumer electronics, new energy systems, and many other electronic applications. We offer products from multiple manufacturers, packages, and specifications to help engineers and buyers compare and source suitable components.

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