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I/O 扩展器

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Results:
1,151
Manufacturer
Series
Supplier Device Package
Package / Case
Voltage - Supply
Current - Output Source/Sink
Number of I/O
Interface
Features
Clock Frequency
Operating Temperature
Output Type
Mounting Type
Interrupt Output
Grade
Qualification
With Modem Control
With False Start Bit Detection
Count
Number of Channels
Data Rate (Max)
Protocol
FIFO's
With Auto Flow Control
Current - Supply
Type
With IrDA Encoder/Decoder
Frequency
Results remaining：1,151
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ImageProduct DetailPriceAvailabilityECAD ModelSeriesMounting TypeOperating TemperaturePackage / CaseSupplier Device PackageOutput TypeVoltage - SupplyInterfaceGradeInterrupt OutputFeaturesCurrent - Output Source/SinkClock FrequencyNumber of I/OQualification
TCA9554APWR
TCA9554APWR
Texas Instruments
IC I/O EXPANDER I2C 8BIT 16TSSOP
5+
$0.6294
10+
$0.5874
15+
$0.5664
More Price
Quantity
172,264 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
16-TSSOP (0.173", 4.40mm Width)
16-TSSOP
Push-Pull
1.65V ~ 5.5V
I²C, SMBus
-
Yes
POR
10mA, 25mA
400 kHz
8
-
SX1508BIULTRT
SX1508BIULTRT
Semtech
IC EXPANDER 8 CHAN 20QFN
5+
$0.6294
10+
$0.5874
15+
$0.5664
More Price
Quantity
156,195 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
20-UFQFN Exposed Pad
20-QFN-UT (3x3)
Open Drain, Push-Pull
1.2V ~ 3.6V
I²C
-
Yes
POR
-
400 kHz
8
-
FXL6408UMX
FXL6408UMX
onsemi
IC GPIO EXPANDER I2C 8B 16-UMLP
5+
$0.3147
10+
$0.2937
15+
$0.2832
More Price
Quantity
126,567 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
16-UFQFN
16-UMLP (1.8x2.6)
Open Drain
1.65V ~ 4V
I²C
-
Yes
POR
6mA
400 kHz
8
-
PCF8574DWR
PCF8574DWR
Texas Instruments
IC I/O EXPANDER I2C 8B 16SOIC
5+
$1.1538
10+
$1.0769
15+
$1.0385
More Price
Quantity
104,013 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
16-SOIC (0.295", 7.50mm Width)
16-SOIC
Push-Pull
2.5V ~ 6V
I²C
-
Yes
POR
1mA, 25mA
100 kHz
8
-
TCA9555PWR
TCA9555PWR
Texas Instruments
IC I/O EXPANDER I2C 16B 24TSSOP
5+
$0.3734
10+
$0.3485
15+
$0.3361
More Price
Quantity
98,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
24-TSSOP (0.173", 4.40mm Width)
24-TSSOP
Push-Pull
1.65V ~ 5.5V
I²C, SMBus
-
Yes
POR
10mA, 25mA
400 kHz
16
-
TCA6408ARGTR
TCA6408ARGTR
Texas Instruments
IC I/O EXPANDER I2C 8B 16QFN
5+
$0.2727
10+
$0.2545
15+
$0.2455
More Price
Quantity
89,311 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
16-VFQFN Exposed Pad
16-VQFN (3x3)
Push-Pull
1.65V ~ 5.5V
I²C, SMBus
-
Yes
POR
10mA, 25mA
400 kHz
8
-
TCA6408AQPWRQ1
TCA6408AQPWRQ1
Texas Instruments
IC I/O EXPANDER I2C 8B 16TSSOP
5+
$0.7972
10+
$0.7441
15+
$0.7175
More Price
Quantity
81,333 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 125°C
16-TSSOP (0.173", 4.40mm Width)
16-TSSOP
Push-Pull
1.65V ~ 3.6V
I²C, SMBus
Automotive
Yes
POR
10mA, 25mA
400 kHz
8
AEC-Q100
PCA9554ARGVR
PCA9554ARGVR
Texas Instruments
IC I/O EXPANDER I2C 8B 16VQFN
5+
$2.5175
10+
$2.3497
15+
$2.2657
More Price
Quantity
75,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
16-VQFN Exposed Pad
16-VQFN (4x4)
Push-Pull
2.3V ~ 5.5V
I²C, SMBus
-
Yes
POR
10mA, 25mA
400 kHz
8
-
PCF8574APWR
PCF8574APWR
Texas Instruments
IC I/O EXPANDER I2C 8B 20TSSOP
5+
$0.5245
10+
$0.4895
15+
$0.4720
More Price
Quantity
67,897 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
20-TSSOP (0.173", 4.40mm Width)
20-TSSOP
Push-Pull
2.5V ~ 6V
I²C
-
Yes
POR
1mA, 25mA
100 kHz
8
-
SX1509BIULTRT
SX1509BIULTRT
Semtech
IC GPIO EXPANDER I2C 16CH 28QFN
5+
$2.0979
10+
$1.9580
15+
$1.8881
More Price
Quantity
65,382 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
28-UFQFN Exposed Pad
28-QFN-UT (4x4)
Open Drain, Push-Pull
1.425V ~ 3.6V
I²C
-
Yes
Keypad Controller, LED Output, POR
8mA, 15mA
400 kHz
16
-
STMPE1801BJR
STMPE1801BJR
STMicroelectronics
IC PORT EXPANDER 18BIT 25FIPCHIP
5+
$1.6783
10+
$1.5664
15+
$1.5105
More Price
Quantity
65,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
Xpander Logic™
Surface Mount
-40°C ~ 85°C
25-WFBGA, WLCSP
25-Flipchip (2x2)
Push-Pull
1.65V ~ 3.6V
I²C
-
Yes
Keypad Controller, POR
4mA
400 kHz
18
-
PCF8574AN
PCF8574AN
Texas Instruments
IC I/O EXPANDER I2C 8B 16DIP
5+
$1.8315
10+
$1.7094
15+
$1.6483
More Price
Quantity
61,279 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Through Hole
-40°C ~ 85°C
16-DIP (0.300", 7.62mm)
16-PDIP
Push-Pull
2.5V ~ 6V
I²C
-
Yes
POR
1mA, 25mA
100 kHz
8
-
PCA6408AHKX
PCA6408AHKX
NXP Semiconductors
IC I/O EXPANDER 8BIT GP 16XQFN
5+
$0.8392
10+
$0.7832
15+
$0.7552
More Price
Quantity
61,224 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
16-XFQFN
16-XQFN (1.8x2.6)
Push-Pull
1.65V ~ 5.5V
I²C, SMBus
-
Yes
POR
10mA, 25mA
400 kHz
8
-
TCA9555RGER
TCA9555RGER
Texas Instruments
IC I/O EXPANDER I2C SMBUS 24VQFN
5+
$0.6923
10+
$0.6462
15+
$0.6231
More Price
Quantity
59,523 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
24-VFQFN Exposed Pad
24-VQFN (4x4)
Push-Pull
1.65V ~ 5.5V
I²C, SMBus
-
Yes
POR
10mA, 25mA
400 kHz
16
-
PCA9534PWR
PCA9534PWR
Texas Instruments
IC I/O EXPANDER I2C 8B 16TSSOP
5+
$0.5245
10+
$0.4895
15+
$0.4720
More Price
Quantity
59,387 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
16-TSSOP (0.173", 4.40mm Width)
16-TSSOP
Push-Pull
2.3V ~ 5.5V
I²C, SMBus
-
Yes
POR
10mA, 25mA
400 kHz
8
-
PCA9500PW
PCA9500PW
NXP Semiconductors
PARALLEL I/O PORT, 8-BIT, 8 I/O,
5+
$1.1538
10+
$1.0769
15+
$1.0385
More Price
Quantity
55,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
*
-
-
-
-
-
-
-
-
-
-
-
-
PCA9536D,118
PCA9536D,118
NXP Semiconductors
IC I/O EXPANDER I2C 4B 8SOIC
5+
$0.6294
10+
$0.5874
15+
$0.5664
More Price
Quantity
55,000 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
8-SOIC (0.154", 3.90mm Width)
8-SO
Push-Pull
2.3V ~ 5.5V
I²C, SMBus
-
No
POR
10mA, 25mA
400 kHz
4
-
MCP23017-E/ML
MCP23017-E/ML
Microchip Technology
IC I/O EXPANDER I2C 16B 28QFN
5+
$1.0448
10+
$0.9751
15+
$0.9403
More Price
Quantity
53,732 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 125°C
28-VQFN Exposed Pad
28-QFN (6x6)
Push-Pull
1.8V ~ 5.5V
I²C
-
Yes
POR
25mA
1.7 MHz
16
-
XRA1403IG24TR-F
XRA1403IG24TR-F
MaxLinear
IC I/O PORT EXPANDER 16 BIT SPI
5+
$1.2587
10+
$1.1748
15+
$1.1329
More Price
Quantity
51,049 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
24-TSSOP (0.173", 4.40mm Width)
24-TSSOP
Open Drain
1.65V ~ 3.6V
SPI
-
Yes
-
-
26 MHz
16
-
PCF8574APW
PCF8574APW
Texas Instruments
IC I/O EXPANDER I2C 8B 20TSSOP
5+
$1.1538
10+
$1.0769
15+
$1.0385
More Price
Quantity
43,160 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
20-TSSOP (0.173", 4.40mm Width)
20-TSSOP
Push-Pull
2.5V ~ 6V
I²C
-
Yes
POR
1mA, 25mA
100 kHz
8
-

I/O 扩展器

I/O扩展器是一种集成电路（IC），用于扩展微控制器或其他数字设备的输入/输出（I/O）功能。它们提供额外的引脚用于连接外围设备，并扩展主控制器的功能。 I/O扩展器具有不同的配置，具有不同数量的输入和输出引脚。它们支持I2C、SPI或GPIO等通信协议，可以与微控制器和数字设备无缝集成。当连接多个扩展器时，每个扩展器都有一个唯一的地址，在通信总线上进行区分。 I/O扩展器的主要功能是增加I/O的灵活性。通过使用这些IC，设计人员可以扩展可用的输入和输出引脚数量，提供了在连接和控制外围设备方面的灵活性。这有助于通过将I/O功能卸载到专用IC中简化主控制器电路的设计。 使用I/O扩展器还可以节省空间和成本。可以使用较低引脚数的微控制器来支持更多的外围设备，从而减少空间需求和整体系统成本。由于标准通信协议的存在，I/O扩展器与微控制器的集成非常简单。 I/O扩展器为每个引脚提供可配置的I/O模式，根据应用需求可以将其用作输入或输出。这种灵活性使其适用于家庭自动化、工业自动化、物联网和机器人等各种场景。在这些应用中，I/O扩展器可以实现对多个设备（包括传感器、执行器、电机、阀门等）的控制和监控。 总之，接口-I/O扩展器是一种扩展微控制器和数字设备I/O功能的IC。它们提供额外的引脚，增加了灵活性，简化了设计，节省了空间和成本，并提供可配置的I/O模式。I/O扩展器在不同领域都有应用，可以连接和控制各种外围设备，以增强系统的功能和多样性。
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