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PCA9557D

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Application Specific Clock/Timing [25]
Attenuators [1154]
Audio A/D Converter ICs [171]
Bipolar RF Transistors [1246]
Bipolar Transistors - BJT [2990]
Bridge Rectifiers [9]
Buffers & Line Drivers [2995]
Circular MIL Spec Backshells [3000]
Clock Buffer [1308]
Diode Arrays [2993]
DRAM [1473]
High Linearity Optocouplers [92]
Hot Swap Voltage Controllers [2787]
IGBT Arrays [2]
Interface - Specialized [2990]
LCD Drivers [367]
Multimedia Misc [22]
RF Adapters - Between Series [341]
RF Bipolar Transistors [640]
SCRs [2995]
Single Zener Diodes [2964]
ARM Microcontrollers - MCU [2951]
Audio DSPs [748]
Bipolar Transistor Arrays [1715]
Circular MIL Spec Contacts [106]
Clock Buffers, Drivers [2990]
Clock Synthesizer / Jitter Cleaner [1220]
Data Acquisition ADCs/DACs - Specialized [539]
Ethernet ICs [956]
Flash Memory [2956]
Flow Sensors [509]
Gate Drivers [2977]
IGBT Modules [2966]
Instrumentation, OP Amps, Buffer Amps [2982]
Inverters [2996]
LDO Voltage Regulators [2982]
LED Lighting Drivers [2995]
MOSFET Output Optocouplers [223]
Power Switch ICs - POE / LAN [627]
RF Adapters - In Series [94]
RF FETs, MOSFETs [2966]
RF Front End [2695]
RF JFET Transistors [621]
RS-485 Interface IC [532]
Sample & Hold Amplifiers [61]
Single Diodes [2994]
Triacs [2995]
TVS Diodes / ESD Suppressors [2993]
Video ICs [2995]
Zener Diode Arrays [2173]
32-bit Microcontrollers - MCU [2849]
Audio Transmitters, Receivers, Transceivers [67]
Bipolar Transistor Arrays, Pre-Biased [2229]
CAN Interface IC [620]
Circular MIL Spec Strain Reliefs & Adapters [542]
Clock Generators, PLLs, Frequency Synthesizers [2997]
Current Sense Amplifiers [648]
Laser Drivers [554]
MOSFET [2992]
Network Controller & Processor ICs [362]
NVRAM [205]
Parity Functions [30]
Real Time Clock [1756]
Rectifiers [2999]
RF Adapters - Tee [15]
RF MOSFET Transistors [1007]
RF Transceiver [2409]
SCR Modules [217]
Single FETs, MOSFETs [2989]
Supervisory Circuits [2994]
Switching Controllers [2986]
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USB Switch ICs [1705]
8-bit Microcontrollers - MCU [2973]
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Audio Amplifiers [2996]
Battery Management [2956]
Biomedical Sensors [26]
Bipolar Transistors - Pre-Biased [2391]
Bus Receivers [112]
Clock Drivers & Distribution [1198]
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Delay Lines [969]
Digital Bus Switch ICs [1050]
EEPROM [2953]
High Speed Optocouplers [2437]
LDO Voltage Controllers [2982]
LED Display Drivers [452]
Limiting Amplifiers [127]
LIN Transceivers [316]
Modulator / Demodulator [203]
RF Mixer [1763]
Sidacs [785]
Varactor Diodes [114]
Video Amps and Modules [1505]
Audio Sample Rate Converters [20]
Delay Lines / Timing Elements [497]
Digital Isolators [2966]
Digital to Analog Converters - DAC [2947]
Diodes - General Purpose, Power, Switching [797]
Force Sensors & Load Cells [51]
IC Batteries [6]
IGBT Transistors [1914]
Latches [2990]
Linear Voltage Regulators [2367]
Memory - FPGA Configuration [103]
Motor / Motion / Ignition Controllers & Drivers [2983]
Optically Isolated Amplifiers [175]
Power Switch ICs - Power Distribution [2996]
RF Microcontrollers - MCU [356]
RF Receiver [987]
RF Transmitter [207]
Single, Pre-Biased Bipolar Transistors [2981]
Special Purpose Amplifiers [1769]
VFD Drivers [13]
Differential Amplifiers [638]
LVDS Interface IC [802]
Memory ICs [2884]
Microphone Preamplifiers [40]
Phase Detectors / Shifters [60]
Programmable Timers and Oscillators [2378]
Registers [192]
RFID Transponders [1212]
Schottky Diodes & Rectifiers [2992]
Switching Voltage Regulators [2995]
Timers & Support Products [953]
Triac & SCR Output Optocouplers [857]
Video Switch ICs [355]
Voltage References [1469]
Voltage to Frequency & Frequency to Voltage [88]
Audio D/A Converter ICs [974]
Bus Transceivers [1757]
Capacitive Touch Sensors [537]
Clock Generators & Support Products [1917]
Current & Power Monitors & Regulators [89]
Darlington Transistors [509]
EPROM [69]
Logarithmic Amplifiers [69]
Logic Output Optocouplers [849]
Multiplexer Switch ICs [2997]
Real Time Clocks [2231]
RF Switch ICs [1453]
Sensor Interface [585]
Zener Diodes [2578]
ADCs/DACs - Special Purpose [2841]
Display Interface IC [202]
JFET [191]
Linear Displacement Sensors [196]
Logic Adder & Subtractor [21]
Memory Controllers [29]
Photodiode Output Optocouplers [31]
Power Factor Correction - PFC [328]
RF Amplifier [2996]
RF Wireless Misc [113]
Switch ICs - Various [401]
Transconductance Amplifiers [24]
High Speed Operational Amplifiers [1433]
PCI Interface IC [680]
Phase Locked Loops - PLL [912]
Proximity Sensors [1187]
RF Bias Tees [36]
Security ICs / Authentication ICs [135]
Serial to Parallel Logic Converters [75]
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Current Sensors [2578]
F-RAM [193]
Operational Amplifiers - Op Amps [2996]
Power Management Specialized - PMIC [1746]
RF Couplers [424]
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DC Blocks [8]
Digital Potentiometers [25]
I/O Controller Interface IC [403]
Logic Comparators [136]
SRAM [2673]
Transimpedance Amplifiers [82]
Wireless Charging ICs [130]
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Prescaler [110]
RF Equalizers [69]
RS-232 Interface IC [2492]
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Counter Shift Registers [1673]
Frequency Multipliers [80]
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Telecom Interface ICs [1284]
Application Specific Microcontrollers [2269]
Interface - CODECs [1099]
Logic Gates [2992]
RF Limiters [21]
Tuners [149]
Video Amplifiers [1003]
CPLDs (Complex Programmable Logic Devices) [2949]
Gas Sensor [2]
I&Q and QPSK Modulators / Demodulators [21]
Isolation Amplifiers [75]
RS-422 Interface IC [313]
Translation - Voltage Levels [2305]
DSP (Digital Signal Processors) [2993]
Encoders, Decoders, Multiplexers & Demultiplexers [2996]
RF Phase Detectors [10]
Sensor Hardware & Accessories [1]
UART Interface IC [543]
Up-Down Converters [230]
FPGAs (Field Programmable Gate Array) [2889]
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors [426]
Interface - I/O Expanders [1212]
Monostable Multivibrator [305]
RF Detector [224]
RF Phase Shifters [13]
FPGAs (Field Programmable Gate Array) with Microcontrollers [71]
Magnetic Grate [1]
RF Power Splitters/Dividers/Combiners [747]
RS-422/RS-485 Interface IC [1883]
Thermal Cutoffs [29]
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Microcontrollers [2960]
USB Interface IC [2037]
Interface - Signal Buffers, Repeaters [1016]
Microcontrollers, Microprocessor, FPGA Modules [709]
Multipliers / Dividers [171]
Drivers, Receivers, Transceivers IC [2983]
Microprocessors [25]
Resettable Fuses - PPTC [1535]
PLDs (Programmable Logic Device) [617]
Varistors [2999]
System On Chip (SoC) [2999]
Analog Switches - Special Purpose [2271]
Surge Suppressors [389]
Analog Switches, Multiplexers, Demultiplexers [25]
CODECS [1302]
Headers & Wire Housings [2944]
Automotive Connectors [2995]
Controllers [2983]
Direct Digital Synthesis (DDS) [109]
I/O Connectors [2788]
Drivers, Receivers, Transceivers [25]
Encoders, Decoders, Converters [406]
Board to Board & Mezzanine Connectors [2936]
Filters - Active [844]
I/O Expanders [947]
Modems - ICs and Modules [211]
Modules [97]
Solar Connectors / Photovoltaic Connectors [149]
Sensor and Detector Interfaces [999]
Sensor, Capacitive Touch [491]
Serializers, Deserializers [1081]
Signal Buffers, Repeaters, Splitters [1230]
Signal Terminators [252]
Modular Connectors / Ethernet Connectors [2271]
Specialized [25]
Telecom [2996]
USB Connectors [647]
Terminal Blocks [4]
UARTs (Universal Asynchronous Receiver Transmitter [1052]
Current Regulation - Diodes, Transistors [1001]
Voice Record and Playback [528]
Analog Multipliers, Dividers [170]
Power Driver Modules [56]
Comparators [340]
Video Processing [2556]
Buffers, Drivers, Receivers, Transceivers [2992]
Color Sensors [15]
Color Sensors - Industrial [17]
Counters, Dividers [2827]
FIFOs Memory [2966]
Float, Level Sensors [908]
Gates and Inverters [2992]
Float, Level Sensors - Industrial [309]
Gates and Inverters - Multi-Function, Configurable [1102]
Flow Sensors - Industrial [138]
Multivibrators [563]
Force Sensors [111]
Parity Generators and Checkers [153]
Force Sensors - Industrial [329]
Shift Registers [2207]
Gas Sensors [529]
Signal Switches, Multiplexers, Decoders [25]
Humidity, Moisture Sensors [523]
Specialty Logic [1377]
IrDA Transceiver Modules [81]
Translators, Level Shifters [2718]
LVDT Transducers (Linear Variable Differential Transformer) [94]
Batteries [12]
Configuration PROMs for FPGAs [598]
Multifunction [387]
AC DC Converters, Offline Switches [2980]
Battery Chargers [2924]
Particle, Dust Sensors [24]
Current Regulation/Management [1334]
DC DC Switching Controllers [2990]
Pressure Sensors, Transducers - Industrial [294]
Display Drivers [1033]
Energy Metering [475]
Proximity Sensors - Industrial [2686]
Full Half-Bridge Drivers [897]
Proximity/Occupancy Sensors Finished Units [414]
Sensor Cable Accessories [2732]
Hot Swap Controllers [2310]
Sensor Cable Assemblies [515]
Sensor Interface Junction Blocks [1869]
LED Drivers [25]
Lighting, Ballast Controllers [432]
Sensor, Transducer Amplifiers [1102]
Motor Drivers, Controllers [25]
Shock Sensors [55]
OR Controllers, Ideal Diodes [549]
Solar Cells [389]
PFC (Power Factor Correction) [864]
Specialized Sensors [712]
Power Distribution Switches, Load Drivers [25]
Strain Gauges [370]
Power Management - Specialized [26]
Power Over Ethernet (PoE) Controllers [736]
Touch Sensors [61]
Power Supply Controllers, Monitors [1994]
Ultrasonic Receivers, Transmitters [1640]
RMS to DC Converters [157]
Ultrasonic Receivers, Transmitters - Industrial [45]
Audio Special Purpose [1485]
Special Purpose Regulators [25]
Supervisors [2996]
Thermal Management [471]
V/F and F/V Converters [135]
Voltage Reference [20]
Voltage Regulators - DC DC Switching Regulators [2993]
Voltage Regulators - Linear [2968]
Voltage Regulators - Linear + Switching [1330]
Voltage Regulators - Linear Regulator Controllers [362]
HDMI, Displayport & DVI Connectors [208]
Specialized ICs [25]
XLR Connectors [40]
Balun [743]
Heavy Duty Power Connectors [3000]
Power to the Board [288]
RF Accessories [1166]
DIN 41612 Connectors [2209]
RF Amplifiers [2488]
High Speed / Modular Connectors [2993]
RF Antennas [2953]
Hard Metric Connectors [1252]
RF Circulators and Isolators [1875]
PC / 104 Connectors [47]
RF Demodulators [173]
RF Connectors / Coaxial Connectors [2968]
RF Detectors [316]
RF Directional Coupler [1113]
RF Front End (LNA + PA) [257]
RF Terminators [65]
RF Cable Assemblies [753]
RF Misc ICs and Modules [2279]
PCI Express / PCI Connectors [2567]
RF Mixers [1415]
RF Modulators [163]
D-Sub Mixed Contact Connectors [238]
RF Multiplexers [414]
D-Sub Backshells [741]
RF Power Controller ICs [21]
D-Sub High Density Connectors [332]
RF Power Dividers/Splitters [527]
D-Sub Standard Connectors [2988]
RF Receiver, Transmitter, and Transceiver Finished Units [1933]
D-Sub Tools & Hardware [482]
RF Receivers [1373]
Memory Card Connectors [630]
RF Shields [2412]
Rectangular MIL Spec Connectors [337]
FFC & FPC Connectors [2974]
RF Transceiver ICs [2986]
MEMS Microphones [48]
Microphones [69]
RF Transmitters [500]
Light to Digital Converters [278]
Image Sensors [6]
RFI and EMI - Shielding and Absorbing Materials [2937]
Board Mount Pressure Sensors [1808]
RFID Accessories [179]
Industrial Pressure Sensors [5]
RFID Antennas [214]
Board Mount Current Sensors [334]
RFID Reader Modules [189]
Industrial Current Sensors [1584]
RFID Transponders, Tags [441]
Board Mount Hall Effect / Magnetic Sensors [1571]
RFID, RF Access, Monitoring ICs [621]
Industrial Humidity Sensors [2]
Subscriber Identification Module (SIM) Cards [61]
semiconductors-Integrated Circuits - ICs [2987]
Smoke Detectors [69]
Board Mount Humidity Sensors [353]
Accelerometers [1478]
IMUs - Inertial Measurement Units [362]
Speed Sensors [19]
Board Mount Motion & Position Sensors [317]
Inclinometers [149]
Ballasts, Inverters [225]
Gyroscopes [206]
Industrial Motion & Position Sensors [15]
Distance Sensors [1]
Board Mount Temperature Sensors [2244]
Cold Cathode Fluorescent (CCFL) & UV Lamps [154]
Color LED Lighting [2931]
Industrial Temperature Sensors [46]
Display Backlights [83]
Display Bezels, Lenses [83]
Display, Monitor - LCD Driver/Controller [66]
Discrete Semiconductor Modules [728]
Electroluminescent [95]
CPLD - Complex Programmable Logic Devices [1354]
Fiber Optic Attenuators [232]
Fiber Optic Receivers [159]
FPGA - Configuration Memory [81]
Fiber Optic Switches, Multiplexers, Demultiplexers [252]
Processors - Application Specialized [471]
Fiber Optic Transceiver Modules [2920]
FPGA - Field Programmable Gate Array [2965]
Fiber Optic Transmitters - Discrete [108]
Digital Signal Processors & Controllers - DSP, DSC [2706]
Fiber Optic Transmitters - Drive Circuitry Integrated [3000]
HeNe Laser Heads [27]
HeNe Laser System Accessories [11]
Microprocessors - MPU [1234]
HeNe Laser Systems [31]
Systems on a Chip - SoC [2149]
Incandescent, Neon Lamps [636]
Active Filter [506]
Laser Diode, Module Accessories [36]
Laser Diodes, Laser Modules - Laser Delivery, Laser Fibers [21]
Memory [2979]
Laser Diodes, Modules [513]
Digital Potentiometer ICs [2703]
LCD, OLED Character and Numeric [1449]
LCD, OLED, Graphic [2921]
LED Addressable, Specialty [389]
LED Dot Matrix and Cluster [256]
LED Emitters - Infrared, UV, Visible [2845]
LED Indication - Discrete [2981]
Equalizers [226]
LED Lighting Kits [54]
LED Thermal Products [366]
Counter ICs [963]
Lighting Fixtures [27]
Optomechanical [417]
PIN Diodes [682]
Panel Indicators, Pilot Lights [2999]
Reflectors [204]
Remote Phosphor Light Source [169]
RF System on a Chip - SoC [604]
Spacers, Standoffs [1337]
Inrush Current Limiters [305]
Touch Screen Overlays [131]
PTC Thermistors [1866]
Vacuum Fluorescent (VFD) [137]
NTC Thermistors [2998]
White LED Lighting [2979]
Fuse Holder Accessories [563]
Xenon Lighting [122]
Surface Mount Fuses [1468]
Specialty Fuses [1489]
High speed fuses [81]
Cartridge Fuses [82]
RF Diodes [2762]
Variable Capacitance (Varicaps, Varactors) [761]
DIACs, SIDACs [287]
SCRs - Modules [2809]
JFETs [898]
Programmable Unijunction [29]
Special Purpose [180]
Compass, Magnetic Field (Modules) [27]
Linear, Compass (ICs) [856]
Position, Proximity, Speed (Modules) - Industrial [428]
Switches (Solid State) [2961]
Multi Purpose Magnets [1574]
Sensor Matched Magnets [85]
Optical Motion Sensors [573]
Tilt Switches [35]
Vibration Sensors [199]
Ambient Light, IR, UV Sensors [375]
Camera Modules [542]
Distance Measuring [213]
Image Sensors, Camera [704]
Photo Detectors - CdS Cells [70]
Photo Detectors - Logic Output [74]
Photo Detectors - Remote Receiver [840]
Photodiodes [766]
Photoelectric, Industrial [2980]
Photointerrupters - Slot Type - Logic Output [528]
Photointerrupters - Slot Type - Transistor Output [603]
Photonics - Counters, Detectors, SPCM (Single Photon Counting Module) [26]
Phototransistors [542]
Reflective - Analog Output [310]
Reflective - Logic Output [140]
Analog and Digital Output [2951]
Analog and Digital Output - Industrial [170]
RTD (Resistance Temperature Detector) [1000]
Thermocouples, Temperature Probes [1083]
Thermostats - Mechanical [883]
Thermostats - Mechanical - Industrial [789]
Thermostats - Solid State [1012]

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PCA9557D

Product Category : Interface - I/O Expanders

Mounting Style : SMD/SMT

Number of I/Os : 8 I/O

Minimum Operating Temperature : - 40 C

Package / Case : SOIC-16

Maximum Operating Temperature : + 85 C

Packaging : Tube

Operating Supply Voltage : 2.5 V to 6 V

Interface Type : I2C, Serial, SMBus

Maximum Clock Frequency : 400 kHz

Manufacturer : Texas instruments

Description : Interface - I/O Expanders Remote 8B I2C & SMBus I/O Expander

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The PCA9557D,from Texas instruments,is Interface - I/O Expanders.what we offer have competitive price in the global market,which are in original and new parts.If you would like to know more about the products or apply a lower price, please contact us through the “online chat” or send a quote to us!

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