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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
COM78C804LJP QUAD UART SMSC	2,270	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
IS82C52R2490 CMOS SERIAL CONTROLLER INTERFACE Harris Corporation	553	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P8251A PROGRAMMABLE COMMS INTERFACE Advanced Micro Devices	2,338	-	RFQ	Datasheet	28-CDIP	-	Bulk	Active	-	1, UART	-	-	-	4.5V ~ 5.5V	No	No	No	Yes	-	-	Through Hole	28-CDIP
XR17D154IV-F IC UART PCI BUS QUAD 144LQFP MaxLinear, Inc.	0	-	RFQ	Datasheet	144-LQFP	-	Tray	Obsolete	-	4, QUART	64 Byte	RS485	6.25Mbps	3.3V, 5V	-	Yes	Yes	-	-	-	Surface Mount	144-LQFP (20x20)
P8251A-G P8251A-G Rochester Electronics, LLC	3,442	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
N8251A-G IC MCU Rochester Electronics, LLC	1,155	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
XR17D152CM-F IC UART PCI BUS DUAL 100TQFP MaxLinear, Inc.	1,173	-	RFQ	Datasheet	100-TQFP	-	Tray	Obsolete	-	2, DUART	64 Byte	RS485	6.25Mbps	3.3V, 5V	Yes	Yes	Yes	-	-	-	Surface Mount	100-TQFP (14x14)
COM8018 CMOS UART SMSC	1,957	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
CS82C5296 SERIAL I/O CONTROLLER Intersil	1,030	-	RFQ	Datasheet	28-LCC (J-Lead)	-	Bulk	Obsolete	-	1, UART	-	RS232	1Mbps	4.5V ~ 5.5V	-	-	-	Yes	-	-	Surface Mount	28-PLCC (11.51x11.51)
TN82510 SERIAL I/O CONTROLLER, 1 CHANNEL Rochester Electronics, LLC	747	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
D8251A SERIAL I/O CONTROLLER, 1 CHANNEL Rochester Electronics, LLC	296	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
N82510 SERIAL I/O CONTROLLER, 1 CHANNEL Rochester Electronics, LLC	28,388	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MD8251A/B 8251A - SERIAL I/O CONTROLLER, 2 Rochester Electronics, LLC	2,013	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
XR17D158IV-F IC UART PCI BUS OCTAL 144LQFP MaxLinear, Inc.	32	-	RFQ	Datasheet	144-LQFP	-	Tray	Obsolete	-	8	64 Byte	RS485	6.25Mbps	3.3V, 5V	Yes	Yes	Yes	-	-	-	Surface Mount	144-LQFP (20x20)
8251A/BXA SERIAL I/O CONTROLLER, 1 CHANNEL Rochester Electronics, LLC	42	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
IP82C52 SERIAL I/O CONTROLLER Intersil	219	-	RFQ	Datasheet	28-DIP (0.600", 15.24mm)	-	Tube	Obsolete	-	1, UART	-	RS232	1Mbps	4.5V ~ 5.5V	-	-	-	Yes	-	-	Through Hole	28-PDIP
IP82C52 SERIAL I/O CONTROLLER, 1 CHANNEL Harris Corporation	143	-	RFQ	Datasheet	28-DIP (0.600", 15.24mm)	-	Bulk	Active	-	1, UART	-	RS232	1MBaud	4.5V ~ 5.5V	No	No	Yes	Yes	-	-	Through Hole	28-PDIP
MR8251A/B PARALLEL I/O PORT, 0 I/O, CMOS Rochester Electronics, LLC	958	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MR82510/B SERIAL I/O CONTROLLER, 1 CHANNEL Rochester Electronics, LLC	691	-	RFQ	Datasheet	-	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-
NS16C2552TVSX/NOPB NS16C2552 DUAL UART WITH 16-BYTE National Semiconductor	5,000	-	RFQ	Datasheet	48-TQFP	-	Bulk	Active	-	2, DUART	16 Byte	-	5Mbps	2.97V ~ 5.5V	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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