UARTs (Universal Asynchronous Receiver Transmitter)_Interface_Integrated Circuits (ICs)_All Tested Limited_Integrated Circuits (ICs)_Semiconductors_Circuit Protection_Connectors_Cable Assemblies

Manufacturer

National Semiconductor

Intersil (Renesas Electronics Corporation)

Roving Networks (Microchip Technology)

Maxim Integrated / Analog Devices

Texas Instruments

Linear Technology (Analog Devices, Inc.)

NXP Semiconductors

SMSC

Future Technology Devices International, Ltd.

NXP Semiconductors

MaxLinear

Rochester Electronics

Intersil

Sipex

Harris Corporation

Advanced Micro Devices

Exar

Series

Impact

ST16C450

ST16C452

ST16C550

ST16C552

ST16C650

ST16C654

ST16C1450

ST16C2450

ST68C554

ST78C36

XR16C850

XR16L651

XR16V654

Packaging

Bag

Bulk

Cut Tape (CT)

Tape & Reel (TR)

Tray

Tube

Product Status

Active

Obsolete

Discontinued

Last Time Buy

Features

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

Package / Case

16-TSSOP (0.173", 4.40mm Width)

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-CFlatPack

68-LCC (J-Lead)

80-BQFP

80-LQFP

84-LCC (J-Lead)

100-BQFP

100-LFBGA

100-LQFP

100-TQFP

113-LFBGA

144-LQFP

176-LFBGA

Number of Channels

1

1, UART

2

2, DUART

4

4, QUART

8

8, OCTART

Mounting Type

Surface Mount

Through Hole

Voltage - Supply

1.2V, 3.3V

1.8V

1.8V ~ 5V

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

2.3V ~ 3.6V

2.5V, 3.3V, 5V

2.5V ~ 3.3V

2.7V ~ 3.3V

2.7V ~ 3.6V

2.7V ~ 5.5V

2.9V ~ 5.5V

2.25V ~ 2.75V, 2.97V ~ 3.63V, 4.5V ~ 5.5V

2.25V ~ 3.6V

2.25V ~ 5.5V

2.97V ~ 3.63V, 4.5V ~ 5.5V

2.97V ~ 5.5V

3.3V

3.3V, 5V

3.3V ~ 5.5V

3.3V ~ 5V

3V ~ 3.6V

3V ~ 5.25V

4.5V ~ 5.5V

4.75V ~ 5.25V

4V ~ 10.5V

5V

7V

FIFO's

1 Byte

3 Byte

8 Byte

16 Byte

32 Byte

64 Byte

128 Byte

256 Byte

384 Byte, 128 Byte

Protocol

IrDA

IrDA, RS232 , RS485

Printer

RS232

RS232, RS422

RS232, RS422, RS485

RS232, RS485

RS485

Data Rate (Max)

1.5Mbps

1MBaud

1Mbps

2Mbps

3.125Mbps

3Mbps

4Mbps

5Mbps

6.25Mbps

6Mbps

8Mbps

15Mbps

16Mbps

20Mbps

24Mbps

25kBaud

31.25Mbps

40kBaud

230.4Kbps

250kbps

400kbps

625kbps

Supplier Device Package

16-TSSOP

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 (7x7)

64-LQFP (10x10)

64-PLCC

64-QFN (9x9)

68-CQFP (12.7x12.7)

68-PLCC (24.18x24.18)

68-PLCC (24.23x24.23)

80-LQFP (12x12)

80-QFP (14x20)

84-PLCC (29.26x29.26)

100-BGA MICROSTAR (10x10)

100-LQFP (14x14)

100-QFP (14x20)

100-TQFP (14x14)

113-FPBGA (9x9)

144-LQFP (20x20)

176-FPBGA (13x13)

With Auto Flow Control

No

Yes

With IrDA Encoder/Decoder

No

Yes

With False Start Bit Detection

No

Yes

With Modem Control

No

Yes

Grade

Automotive

Qualification

AEC-Q100

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Mfr Part #	Quantity	Price	Series	Package	Product Status	Features	Package / Case	Number of Channels	Mounting Type	Voltage - Supply	FIFO's	Protocol	Data Rate (Max)	Supplier Device Package	With Auto Flow Control	With IrDA Encoder/Decoder	With False Start Bit Detection	With Modem Control	Grade	Qualification
D8251A SERIAL I/O CONTROLLER, 1 CHANNEL Rochester Electronics Datasheet	311 Marketplace	5 : $305.40 Bulk		Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
8251A/BXA SERIAL I/O CONTROLLER, 1 CHANNEL Rochester Electronics Datasheet	42 Marketplace	3 : $311.73 Bulk		Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MD8251A/B 8251A - SERIAL I/O CONTROLLER, 2 Rochester Electronics Datasheet	2,638 Marketplace	4 : $303.20 Bulk	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
N8251A-G IC MCU Rochester Electronics Datasheet	1,155 Marketplace	18 : $317.52 Bulk	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MR8251A/B PARALLEL I/O PORT, 0 I/O, CMOS Rochester Electronics Datasheet	958 Marketplace	3 : $429.09 Bulk	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
LD8251A LD8251A - SERIAL I/O CONTROLLER, Rochester Electronics Datasheet	2,211 Marketplace	5 : $361.45 Bulk		Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P8251A-G P8251A-G Rochester Electronics Datasheet	3,407 Marketplace	17 : $307.02 Bulk		Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
TN82510 SERIAL I/O CONTROLLER, 1 CHANNEL Rochester Electronics Datasheet	748 Marketplace	6 : $309.06 Bulk	*	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
N82510 SERIAL I/O CONTROLLER, 1 CHANNEL Rochester Electronics Datasheet	28,387 Marketplace	5 : $333.10 Bulk		Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MR82510/B SERIAL I/O CONTROLLER, 1 CHANNEL Rochester Electronics Datasheet	1,178 Marketplace	1 : $313.32 Bulk		Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

UARTs (Universal Asynchronous Receiver Transmitter)