PCA9557 Status: ACTIVE

Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers


      
         
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 PCA9557
No. of Outputs8  
Reset InputYes  
Technology FamilyI2C  
fSCLK(Max)(MHz)400  
VCC(Min)(V)2.3  
VCC(Max)(V)5.5  
Pin/Package16SOIC, 16SSOP, 16QFN, 16TSSOP, 16TVSOP  
Operating Temp Range(Celsius)-40 to 85  
Max Frequency(kHz)400  
I2C Address0011 xxx  
# of I/Os8  
Vcc range(V)2.3 to 5.5  
Low PowerYes  
Configuration RegistersYes  
5V Tolerant I/OYes  
Push–Pull I/O TypeYes  
Open–Drain I/O TypeYes  
 Samples
 Inventory

Customers Who Evaluated This Product Also Evaluated

  • TCA6408A: Low-Voltage 8-Bit I2C and SMBus I/O Expander
  • PCA9555: Remote 16-Bit I2C And SMBus I/O Expander With Interrupt Output And Configuration Registers
  • PCF8574: Remote 8-Bit I/O Expander for I2C-Bus
  • SN74AVC1T45: Single-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs
  • SN74CB3Q3306A: Dual FET 2.5-V/3.3-V Low-Voltage, High-Bandwidth Bus Switch
  • SN74LVC1G07: Single Buffer/Driver With Open-Drain Output

More Related Products

Product Information

Features

  • Low Standby Current Consumption of 1 µA Max
  • I2C to Parallel Port Expander
  • Operating Power-Supply Voltage Range of 2.3 V to 5.5 V
  • 5-V Tolerant I/O Ports
  • 400-kHz Fast I2C Bus
  • Three Hardware Address Pins Allow for Use of up to Eight Devices on I2C/SMBus
  • Lower-Voltage Higher-Performance Migration Path for PCA9556
  • Input/Output Configuration Register
  • Polarity Inversion Register
  • Active-Low Reset Input
  • Internal Power-On Reset
  • High-Impedance Open Drain on P0
  • Power Up With All Channels Configured as Inputs
  • No Glitch on Power Up
  • Noise Filter on SCL/SDA Inputs
  • Latched Outputs With High Current Drive Maximum Capability for Directly Driving LEDs
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)

View All Features in Datasheet

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsFootprintsSamples
PCA9557DACTIVE-40 to 851.00 | 1kuSOIC (D) | 16 View 40 | TUBE  Download CAD Format for this FootprintPurchase Samples
PCA9557DBACTIVE-40 to 851.00 | 1kuSSOP (DB) | 16 View 80 | TUBE  Download CAD Format for this FootprintPurchase Samples
PCA9557DBG4ACTIVE-40 to 851.00 | 1kuSSOP (DB) | 16 View 80 | TUBE Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
PCA9557DBRACTIVE-40 to 850.90 | 1kuSSOP (DB) | 16 View 2000 | LARGE T&R  Download CAD Format for this Footprint
PCA9557DBRG4ACTIVE-40 to 850.90 | 1kuSSOP (DB) | 16 View 2000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this Footprint
PCA9557DG4ACTIVE-40 to 851.00 | 1kuSOIC (D) | 16 View 40 | TUBE Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
PCA9557DGVRACTIVE-40 to 850.90 | 1kuTVSOP (DGV) | 16  2000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this Footprint
PCA9557DGVRG4G4ACTIVE-40 to 850.90 | 1kuTVSOP (DGV) | 16  2000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this Footprint
PCA9557DRACTIVE-40 to 850.90 | 1kuSOIC (D) | 16 View 2500 | LARGE T&R  Download CAD Format for this Footprint
PCA9557DRG4ACTIVE-40 to 850.90 | 1kuSOIC (D) | 16 View 2500 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this Footprint
PCA9557DTACTIVE-40 to 850.90 | 1kuSOIC (D) | 16 View 250 | SMALL T&R  Download CAD Format for this FootprintPurchase Samples
PCA9557DTG4ACTIVE-40 to 850.90 | 1kuSOIC (D) | 16 View 250 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
PCA9557PWACTIVE-40 to 851.00 | 1kuTSSOP (PW) | 16 View 90 | TUBE Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
PCA9557PWG4ACTIVE-40 to 851.00 | 1kuTSSOP (PW) | 16 View 90 | TUBE Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
PCA9557PWRACTIVE-40 to 850.90 | 1kuTSSOP (PW) | 16 View 2000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this Footprint
PCA9557PWRG4ACTIVE-40 to 850.90 | 1kuTSSOP (PW) | 16 View 2000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this Footprint
PCA9557PWTACTIVE-40 to 850.90 | 1kuTSSOP (PW) | 16 View 250 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
PCA9557PWTG4ACTIVE-40 to 850.90 | 1kuTSSOP (PW) | 16 View 250 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
PCA9557RGVRACTIVE-40 to 850.90 | 1kuQFN (RGV) | 16 View 2500 | LARGE T&R Download CAD Format for this Symbol 
PCA9557RGVRG4ACTIVE-40 to 850.90 | 1kuQFN (RGV) | 16 View 2500 | LARGE T&R Download CAD Format for this Symbol 
PCA9557RGYRACTIVE-40 to 850.90 | 1kuQFN (RGY) | 16  1000 | LARGE T&R  
PCA9557RGYRG4ACTIVE-40 to 850.90 | 1kuQFN (RGY) | 16  1000 | LARGE T&R  

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

Reported Distributor Inventory as of 11:43 AM GMT, 22 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 15 WeeksPCA9557D
AmericasArrow 630
Rochester Electronics 455
WorldwideDigiKey  Available
Mouser Electronics 359
TI Lead Time*: 15 WeeksPCA9557DB
AsiaWPI 22
WorldwideDigiKey  Available
TI Lead Time*: 15 WeeksPCA9557DBG4
WorldwideDigiKey  Available
TI Lead Time*: 15 WeeksPCA9557DBR
AmericasRochester Electronics >1k
WorldwideDigiKey >1k
TI Lead Time*: 15 WeeksPCA9557DBRG4
WorldwideDigiKey  Available
TI Lead Time*: 15 WeeksPCA9557DG4
WorldwideDigiKey  Available
TI Lead Time*: 14 WeeksPCA9557DGVR
AmericasArrow >1k
Rochester Electronics >1k
WorldwideDigiKey >1k
TI Lead Time*: 14 WeeksPCA9557DGVRG4G4
WorldwideDigiKey  Available
TI Lead Time*: 15 WeeksPCA9557DR
AmericasArrow >1k
AsiaWPI >1k
WorldwideDigiKey >1k
TI Lead Time*: 15 WeeksPCA9557DRG4
WorldwideDigiKey  Available
TI Lead Time*: 15 WeeksPCA9557DT
WorldwideDigiKey  Available
TI Lead Time*: 15 WeeksPCA9557DTG4
WorldwideDigiKey  Available
TI Lead Time*: 20 WeeksPCA9557PW
AmericasArrow 128
Rochester Electronics 695
EuropeAvnet-SILICA 360
TI Lead Time*: 20 WeeksPCA9557PWG4
None Reported
View Distributors
TI Lead Time*: 20 WeeksPCA9557PWR
WorldwideMouser Electronics 775
TI Lead Time*: 20 WeeksPCA9557PWRG4
None Reported
View Distributors
TI Lead Time*: 20 WeeksPCA9557PWT
AsiaWPI 85
TI Lead Time*: 20 WeeksPCA9557PWTG4
None Reported
View Distributors
TI Lead Time*: 16 WeeksPCA9557RGVR
AmericasArrow >1k
Rochester Electronics >1k
AsiaWPI >1k
WorldwideDigiKey >1k
Mouser Electronics 885
TI Lead Time*: 16 WeeksPCA9557RGVRG4
WorldwideDigiKey  Available
TI Lead Time*: 16 WeeksPCA9557RGYR
AmericasArrow >1k
Rochester Electronics >1k
AsiaWPI >1k
WorldwideDigiKey 660
Mouser Electronics >1k
TI Lead Time*: 16 WeeksPCA9557RGYRG4
WorldwideDigiKey  Available
View all Distributors  

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

 Product ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
PCA9557D RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557DB RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557DBG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557DBR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557DBRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557DG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557DGVR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557DGVRG4G4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557DR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557DRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557DT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557DTG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557PW RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557PWG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557PWR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557PWRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557PWT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557PWTG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
PCA9557RGVR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
PCA9557RGVRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
PCA9557RGYR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
PCA9557RGYRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Most useful technical documents for PCA9557 Help

Datasheet

Application Notes

Selection Guides

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