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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 #	Availability	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
XR16M2550IL32 HIGH PERFORMANCE DUART Sipex	1,323	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
XR16V2550IL HIGH PERFORMANCE DUART Sipex	436	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ST16C2450IJ44 SIPEX PRESCLR 8401 SERIES 1-FUNC Sipex	494	-	RFQ	Datasheet	-	-	Bulk	Obsolete	Counter, Internal Oscillator	2	1 Byte	RS232	1.5Mbps	5V	-	-	Yes	Yes	-	-	Surface Mount	44-PLCC
XR16V2652IL HIGH PERFORMANCE DUART WITH 32-B Sipex	2,157	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
CDP65C51ASM2-96 IC ASYNC COMM INTERFC ADT 28SSOP Harris Corporation	701	-	RFQ	Datasheet	28-SSOP (0.154", 3.90mm Width)	-	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	Surface Mount	28-SSOP/QSOP
XR16M2650IL32 HIGH PERFORMANCE DUART Sipex	417	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
XR16V2650IL HIGH PERFORMANCE DUART WITH 32-B Sipex	351	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ST16C650IJ44 2.90 V TO 5.5 V UART WITH 32-BYT Sipex	1,114	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
XR16V2652IJ SIPEX CNTR SYNC POS EDGE 4-BIT Sipex	260	-	RFQ	Datasheet	-	-	Bulk	Obsolete	Counter, Internal Oscillator	2	32 Byte	RS232, RS422	16Mbps	3.3V	-	-	Yes	Yes	-	-	Surface Mount	44-PLCC
ST16C2450CQ48 UART IC 2 CHANNEL RS232 48QFP Sipex	5,830	-	RFQ	Datasheet	48-QFP	-	Bulk	Obsolete	Counter, Internal Oscillator	2	1 Byte	RS232	1.5Mbps	5V	-	-	Yes	Yes	-	-	Surface Mount	48-QFP
ST78C36CQ64 SIPEX PLD Sipex	6,572	-	RFQ	Datasheet	64-QFP	ST78C36	Bulk	Obsolete	Counter, Internal Oscillator	4	16 Byte	-	-	5V	-	-	-	-	-	-	Surface Mount	64-PLCC
ST16C650ACJ44 SIPEX VIDEO AMP 1 CHANNEL 1 FUNC Sipex	3,480	-	RFQ	Datasheet	-	-	Bulk	Obsolete	Counter, Internal Oscillator	-	32 Byte	RS232, RS422, RS485	3.125Mbps	5V	-	-	Yes	Yes	-	-	Surface Mount	44-PLCC
XR16L2551IL LOW VOLTAGE DUART Sipex	1,804	-	RFQ	Datasheet	32-VFQFN Exposed Pad	-	Tray	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)
XR16V2551IL HIGH PERFORMANCE DUART Sipex	480	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
XR16M2551IL32 HIGH PERFORMANCE DUART Sipex	442	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
XR16M2551IM48 HIGH PERFORMANCE DUART Sipex	301	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
XR16V2551IM HIGH PERFORMANCE DUART Sipex	271	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
TL16C550CFNRG4 IC ASYNC COMM ELEMENT 44-PLCC Texas Instruments	0	-	RFQ	Datasheet	44-LCC (J-Lead)	-	Tape & Reel (TR)	Discontinued at Digi-Key	-	1, UART	16 Byte	-	1Mbps	3V ~ 5.25V	Yes	-	Yes	Yes	-	-	Surface Mount	44-PLCC (16.58x16.58)
XR16V2651IL HIGH PERFORMANCE DUART WITH 32-B Sipex	478	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
XR16M2651IL32 HIGH PERFORMANCE DUART Sipex	241	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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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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