Interface - UARTs (Universal Asynchronous Receiver Transmitter)

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Used and refurbished parts guaranteed can work well

PC16550DN

DIP40

National Semiconductor

PC16550D Universal Asynchronous Receiver/Transmitter with FIFOs

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≥1:

AU $4.63546

AU $4.17191

≥5:

AU $4.40369

AU $3.96332

≥10:

AU $4.17191

AU $3.75472

≥20:

AU $4.05603

AU $3.65042

≥50:

AU $3.94014

AU $3.54613

≥100:

AU $3.82425

AU $3.44183

≥200:

AU $3.70837

AU $3.33753

≥500:

AU $3.66201

AU $3.29581

≥1000:

AU $3.59248

AU $3.23323

From: AU $3.59248

Package Type: DIP40 Manufacturer: National Semiconductor Description: The PC16550DN is a Universal Asynchronous Receiver/Transmitter (UART) with a 16-byte FIFO buffer. It is designed to provide impro

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The TL16C750 is a functional upgrade of the TL16C550C asynchronous communications element (ACE), which in turn is a functional upgrade of the TL16C450. Functionally equivalent to the TL16C450 on power up (character or TL16C450 mode), the TL16C750, like the TL16C550C, can be placed in an alternate mode (FIFO mode). This relieves the CPU of excessive software overhead by buffering received and transmitted characters. The receiver and transmitter FIFOs store up to 64 bytes including three additional bits of error status per byte for the receiver FIFO. The user can choose between a 16-byte FIFO mode or an extended 64-byte FIFO mode. In the FIFO mode, there is a selectable autoflow control feature that can significantly reduce software overload and increase system efficiency by automatically controlling serial data flow through the RTS\ output and the CTS\ input signals (see Figure 1). The TL16C750 performs serial-to-parallel conversion on data received from a peripheral device or modem and parallel-to-serial conversion on data received from its CPU. The CPU can read the ACE status at any time. The ACE includes complete modem control capability and a processor interrupt system that can be tailored to minimize software management of the communications link. The TL16C750 ACE includes a programmable baud rate generator capable of dividing a reference clock by divisors from 1 to (216 - 1) and producing a 16× reference clock for the internal transmitter logic. Provisions are also included to use this 16× clock for the receiver logic. The ACE accommodates a 1-Mbaud serial rate (16-MHz input clock) so a bit time is 1 us and a typical character time is 10 us (start bit, 8 data bits, stop bit). Two of the TL16C450 terminal functions have been changed to TXRDY\ and RXRDY\, which provide signaling to a direct memory access (DMA) controller.

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≥1:

AU $6.57392

AU $5.91653

≥5:

AU $6.24523

AU $5.62070

≥10:

AU $5.91653

AU $5.32488

≥20:

AU $5.75218

AU $5.17696

≥50:

AU $5.58783

AU $5.02905

≥100:

AU $5.42349

AU $4.88114

≥200:

AU $5.25914

AU $4.73322

≥500:

AU $5.19340

AU $4.67406

≥1000:

AU $5.09479

AU $4.58531

From: AU $5.09479

Description: The TL16C750FN is a dual universal asynchronous receiver/transmitter (UART) with 16-byte FIFOs, integrated on a single chip. It is designed for use in high-speed serial communications suc

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ST16C454CJ68-F

PLCC-68

EXAR

UART 4-CH 3.3V/5V 68-Pin PLCC

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≥1:

AU $159.41117

AU $143.47005

≥2:

AU $159.41117

AU $143.47005

≥5:

AU $148.78376

AU $133.90538

≥10:

AU $148.78376

AU $133.90538

≥20:

AU $148.78376

AU $133.90538

≥30:

AU $148.78376

AU $133.90538

≥50:

AU $148.78376

AU $133.90538

≥100:

AU $147.72102

AU $132.94892

≥500:

AU $146.65828

AU $131.99245

From: AU $146.65828

Description: The ST16C454CJ68-F is a quad universal asynchronous receiver/transmitter (UART) with 128-byte FIFOs. It is designed to provide a simple solution for RS-232, RS-422, and RS-485 serial comm

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PC16552DVX

PLCC-44

National Semiconductor

03+

UART

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≥1:

AU $12.64216

AU $11.37794

≥5:

AU $12.01005

AU $10.80905

≥10:

AU $11.37794

AU $10.24015

≥20:

AU $11.06189

AU $9.95570

≥50:

AU $10.74583

AU $9.67125

≥100:

AU $10.42978

AU $9.38680

≥200:

AU $10.11373

AU $9.10235

≥500:

AU $9.98731

AU $8.98857

≥1000:

AU $9.79767

AU $8.81791

From: AU $9.79767

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XR88C681CP/40-F

DIP-40

EXAR Corporation

Serial I/O Controller, 2 Channel(s), 0.125MBps, CMOS, PDIP40, 0.600 INCH, ROHS COMPLIANT, PLASTIC, DIP-40

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≥1:

AU $16.01340

AU $14.41206

≥5:

AU $15.21273

AU $13.69146

≥10:

AU $14.41206

AU $12.97086

≥20:

AU $14.01173

AU $12.61055

≥50:

AU $13.61139

AU $12.25025

≥100:

AU $13.21106

AU $11.88995

≥200:

AU $12.81072

AU $11.52965

≥500:

AU $12.65059

AU $11.38553

≥1000:

AU $12.41039

AU $11.16935

From: AU $12.41039

Description: The XR88C681CP/40-F is a low-power, high-performance 8-bit microcontroller from Exar Corporation. It features an 8-bit CPU, 4K bytes of on-chip RAM, and 64K bytes of on-chip ROM. It also

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XR88C681CP/40

DIP-40

EXAR

00+

CMOS DUAL CHANNEL UART DUART

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≥1:

AU $14.74919

AU $13.27427

≥5:

AU $14.01173

AU $12.61055

≥10:

AU $13.27427

AU $11.94684

≥20:

AU $12.90554

AU $11.61498

≥50:

AU $12.53681

AU $11.28313

≥100:

AU $12.16808

AU $10.95127

≥200:

AU $11.79935

AU $10.61941

≥500:

AU $11.65186

AU $10.48667

≥1000:

AU $11.43062

AU $10.28756

From: AU $11.43062

The XR88C681CP/40 is a microcontroller from Exar Corporation. It is a 40-pin DIP package and is based on the 8051 architecture. Description: The XR88C681CP/40 is a high-performance 8-bit microcontro

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ST16C654CQ64-F

QFP64

XR

2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO

Utsource

≥1:

AU $12.64216

AU $11.37794

≥5:

AU $12.01005

AU $10.80905

≥10:

AU $11.37794

AU $10.24015

≥20:

AU $11.06189

AU $9.95570

≥50:

AU $10.74583

AU $9.67125

≥100:

AU $10.42978

AU $9.38680

≥200:

AU $10.11373

AU $9.10235

≥500:

AU $9.98731

AU $8.98857

≥1000:

AU $9.79767

AU $8.81791

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Stock:5000

Minimum:1

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ST16C2550CQ48-F

QFP-48

EXAR

11+

DUART FIFO 16B 48TQFP

Utsource

≥1:

AU $11.79935

AU $10.61941

≥5:

AU $11.20938

AU $10.08844

≥10:

AU $10.61941

AU $9.55747

≥20:

AU $10.32443

AU $9.29199

≥50:

AU $10.02945

AU $9.02650

≥100:

AU $9.73446

AU $8.76102

≥200:

AU $9.43948

AU $8.49553

≥500:

AU $9.32149

AU $8.38934

≥1000:

AU $9.14450

AU $8.23005

From: AU $9.14450

Stock:5000

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TL16C550CFNR

PLCC-44

Texas Instruments

UART 1-CH 16byte FIFO 3.3V/5V 44-Pin PLCC T/R

Utsource

≥1:

AU $8.42811

AU $7.58529

≥5:

AU $8.00670

AU $7.20603

≥10:

AU $7.58530

AU $6.82677

≥20:

AU $7.37459

AU $6.63713

≥50:

AU $7.16389

AU $6.44750

≥100:

AU $6.95319

AU $6.25787

≥200:

AU $6.74248

AU $6.06824

≥500:

AU $6.65820

AU $5.99238

≥1000:

AU $6.53178

AU $5.87860

From: AU $6.53178

Description: The TL16C550CFNR is a dual universal asynchronous receiver/transmitter (UART) with a 16-byte FIFO buffer. Features: - 16-byte FIFO buffer - Programmable baud rate generator - Progra

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SC16C550IN40,112

DIP-40

NXP Usa

IC UART SINGLE W/FIFO 40-DIP

Utsource

≥1:

AU $5.47827

AU $4.93044

≥5:

AU $5.20436

AU $4.68392

≥10:

AU $4.93044

AU $4.43740

≥20:

AU $4.79349

AU $4.31414

≥50:

AU $4.65653

AU $4.19088

≥100:

AU $4.51957

AU $4.06762

≥200:

AU $4.38262

AU $3.94435

≥500:

AU $4.32783

AU $3.89505

≥1000:

AU $4.24566

AU $3.82109

From: AU $4.24566

Description: The SC16C550IN40,112 is a dual universal asynchronous receiver and transmitter (UART) with a 16 byte FIFO buffer. It is designed for use in applications such as modems, printers, and othe

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ST16C550CP40-F

DIP-40

EXAR

0832

IC UART 40DIP

Utsource

≥1:

AU $7.16389

AU $6.44750

≥5:

AU $6.80570

AU $6.12513

≥10:

AU $6.44750

AU $5.80275

≥20:

AU $6.26840

AU $5.64156

≥50:

AU $6.08931

AU $5.48038

≥100:

AU $5.91021

AU $5.31919

≥200:

AU $5.73111

AU $5.15800

≥500:

AU $5.65947

AU $5.09353

≥1000:

AU $5.55201

AU $4.99681

From: AU $5.55201

Description: The ST16C550CP40-F is a Universal Asynchronous Receiver/Transmitter (UART) device from Exar Corporation. It is a dual-channel UART with an integrated 16-byte FIFO buffer for each channel.

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SCC68692C1A44,512

PLCC-44

PH2

Dual asynchronous receiver/transmitter DUART - Application: Data Communication ; Function: Receivers/Transmitters ; Number of pins: 44 ; Operating temperature: 0~70 Cel; Receiver/Transmitter type: Dual UARTs; Package: SOT187-2 PLCC44; Container: Tube Dry Pack

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≥1:

AU $10.95654

AU $9.86088

≥5:

AU $10.40871

AU $9.36784

≥10:

AU $9.86088

AU $8.87480

≥20:

AU $9.58697

AU $8.62827

≥50:

AU $9.31306

AU $8.38175

≥100:

AU $9.03914

AU $8.13523

≥200:

AU $8.76523

AU $7.88871

≥500:

AU $8.65566

AU $7.79010

≥1000:

AU $8.49132

AU $7.64219

From: AU $8.49132

Description: The SCC68692C1A44,512 is a low-power, high-performance, single-chip microcontroller with a 32-bit RISC core. It is designed for embedded applications such as automotive, industrial, and c

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FT245BM

QFP-32

FTDI

05+

FT245BM USB FIFO USB - Parallel I.C.

Utsource

≥1:

AU $15.17059

AU $13.65353

≥5:

AU $14.41206

AU $12.97086

≥10:

AU $13.65353

AU $12.28818

≥20:

AU $13.27427

AU $11.94684

≥50:

AU $12.89500

AU $11.60550

≥100:

AU $12.51574

AU $11.26417

≥200:

AU $12.13647

AU $10.92283

≥500:

AU $11.98477

AU $10.78629

≥1000:

AU $11.75721

AU $10.58149

From: AU $11.75721

Stock:5000

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XR68C681CJTR-F

PLCC-44

EXAR

2011+

UART CMOS DUAL 44PLCC

Utsource

≥1:

AU $10.11373

AU $9.10235

≥5:

AU $9.60804

AU $8.64724

≥10:

AU $9.10235

AU $8.19212

≥20:

AU $8.84951

AU $7.96456

≥50:

AU $8.59667

AU $7.73700

≥100:

AU $8.34383

AU $7.50944

≥200:

AU $8.09098

AU $7.28188

≥500:

AU $7.98985

AU $7.19086

≥1000:

AU $7.83814

AU $7.05433

From: AU $7.83814

Package Type: PLCC-44 Manufacturer: EXAR Description: The XR68C681CJTR-F is a low-power, 8-bit CMOS microcontroller from EXAR Corporation. It is designed for use in a variety of applications, includi

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TL16C550CN

DIP-40

Texas Instruments

03+

ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL

Utsource

≥1:

AU $6.74248

AU $6.06824

≥5:

AU $6.40536

AU $5.76482

≥10:

AU $6.06824

AU $5.46141

≥20:

AU $5.89967

AU $5.30971

≥50:

AU $5.73111

AU $5.15800

≥100:

AU $5.56255

AU $5.00630

≥200:

AU $5.39399

AU $4.85459

≥500:

AU $5.32656

AU $4.79391

≥1000:

AU $5.22543

AU $4.70288

From: AU $5.22543

The TL16C550CN is a dual universal asynchronous receiver/transmitter (UART) device from Texas Instruments. It is a 40-pin DIP integrated circuit that is used for serial communication between two devic

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TL16C452FN

PLCC68

Texas Instruments

N/A

ASYNCHRONOUS COMMUNICATIONS ELEMENTS

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≥1:

AU $7.58530

AU $6.82677

≥5:

AU $7.20603

AU $6.48543

≥10:

AU $6.82677

AU $6.14409

≥20:

AU $6.63713

AU $5.97342

≥50:

AU $6.44750

AU $5.80275

≥100:

AU $6.25787

AU $5.63208

≥200:

AU $6.06824

AU $5.46141

≥500:

AU $5.99238

AU $5.39314

≥1000:

AU $5.87860

AU $5.29074

From: AU $5.87860

Description: The TL16C452FN is a dual universal asynchronous receiver/transmitter (UART) with 16-byte FIFOs and programmable baud rate generator. Features: 16-byte FIFO for each receiver and transm

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TL16C550CFNG4

PLCC-44

Texas Instruments

Single UART with 16-Byte FIFOs and Auto Flow Control 44-PLCC 0 to 70

Utsource

≥1:

AU $8.42811

AU $7.58529

≥5:

AU $8.00670

AU $7.20603

≥10:

AU $7.58530

AU $6.82677

≥20:

AU $7.37459

AU $6.63713

≥50:

AU $7.16389

AU $6.44750

≥100:

AU $6.95319

AU $6.25787

≥200:

AU $6.74248

AU $6.06824

≥500:

AU $6.65820

AU $5.99238

≥1000:

AU $6.53178

AU $5.87860

From: AU $6.53178

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ST16C550CQ48-F

QFP48

XR

UART WITH 16-BYTE FIFO’s

Utsource

≥1:

AU $5.08412

AU $4.57571

≥5:

AU $4.82990

AU $4.34691

≥10:

AU $4.57571

AU $4.11814

≥20:

AU $4.44860

AU $4.00374

≥50:

AU $4.32150

AU $3.88935

≥100:

AU $4.19440

AU $3.77496

≥200:

AU $4.06730

AU $3.66057

≥500:

AU $4.01645

AU $3.61481

≥1000:

AU $3.94019

AU $3.54617

From: AU $3.94019

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XR17D158CV

TQFP-144

EXAR

0313+

UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART

Utsource

≥1:

AU $26.54854

AU $23.89368

≥5:

AU $25.07362

AU $22.56625

≥10:

AU $24.33616

AU $21.90254

≥20:

AU $23.59870

AU $21.23883

≥50:

AU $22.86124

AU $20.57511

≥100:

AU $22.56625

AU $20.30963

≥200:

AU $22.12378

AU $19.91140

≥500:

AU $21.82880

AU $19.64592

≥1000:

AU $21.38632

AU $19.24769

From: AU $21.38632

Stock:2000

Minimum:1

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TL16C450FN

PLCC-44

Texas Instruments

93+

LED Flex Light; Battery Size Code:AAA; No. of Batteries:1; Batteries Included:Yes; Color:White; Lamp Power Max:8.6mW; Length:3.75"; Number of Lamps:1; Series:Medium Flex; Leaded Process Compatible:No RoHS Compliant: No

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≥1:

AU $3.79265

AU $3.41338

≥5:

AU $2.52843

AU $2.27559

≥10:

AU $2.27559

AU $2.04803

≥20:

AU $2.21238

AU $1.99114

≥50:

AU $2.14917

AU $1.93425

≥100:

AU $2.08596

AU $1.87736

≥200:

AU $2.02274

AU $1.82047

≥500:

AU $1.99746

AU $1.79771

≥1000:

AU $1.95954

AU $1.76358

From: AU $1.95954

Description: The TL16C450FN is a quad universal asynchronous receiver/transmitter (UART) with a 16-byte FIFO buffer that is designed for use in personal computers and other digital systems. Features:

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