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Product InformationFeatures
DESCRIPTION/ORDERING INFORMATIONThis 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.3-V to 5.5-V VCC operation. It provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL), serial data (SDA)]. The PCA9535 consists of two 8-bit Configuration (input or output selection), Input Port, Output Port, and Polarity Inversion (active-high or active-low operation) registers. At power on, the I/Os are configured as inputs. The system master can enable the I/Os as either inputs or outputs by writing to the I/O configuration bits. The data for each input or output is kept in the corresponding Input or Output Port register. The polarity of the Input Port register can be inverted with the Polarity Inversion register. All registers can be read by the system master. The system master can reset the PCA9535 in the event of a timeout or other improper operation by utilizing the power-on reset feature, which puts the registers in their default state and initializes the I2C/SMBus state machine. The PCA9535 open-drain interrupt (INT) output is activated when any input state differs from its corresponding Input Port register state and is used to indicate to the system master that an input state has changed. INT can be connected to the interrupt input of a microcontroller. By sending an interrupt signal on this line, the remote I/O can inform the microcontroller if there is incoming data on its ports without having to communicate via the I2C bus. Thus, the PCA9535 can remain a simple slave device. The device outputs (latched) have high-current drive capability for directly driving LEDs. The device has low current consumption. Although pin-to-pin and I2C address compatible with the PCF8575, software changes are required due to the enhancements. The PCA9535 is identical to the PCA9555, except for the removal of the internal I/O pullup resistor, which greatly reduces power consumption when the I/Os are held low. Three hardware pins (A0, A1, and A2) are used to program and vary the fixed I2C address and allow up to eight devices to share the same I2C bus or SMBus. The fixed I2C address of the PCA9535 is the same as the PCA9555, PCF8575, PCF8575C, and PCF8574, allowing up to eight of these devices in any combination to share the same I2C bus or SMBus. |
| Price | Packaging | CAD Design Tools | Samples | ||||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Footprints | Samples |
| PCA9535DB | ACTIVE | -40 to 85 | 1.10 | 1ku | SSOP (DB) | 24 | View | 60 | TUBE | Purchase Samples | ||
| PCA9535DBG4 | ACTIVE | -40 to 85 | 1.10 | 1ku | SSOP (DB) | 24 | View | 60 | TUBE | Purchase Samples | ||
| PCA9535DBQR | ACTIVE | -40 to 85 | 1.00 | 1ku | SSOP/QSOP (DBQ) | 24 | View | 2500 | LARGE T&R | |||
| PCA9535DBQRG4 | ACTIVE | -40 to 85 | 1.00 | 1ku | SSOP/QSOP (DBQ) | 24 | View | 2500 | LARGE T&R | |||
| PCA9535DBR | ACTIVE | -40 to 85 | 1.00 | 1ku | SSOP (DB) | 24 | View | 2000 | LARGE T&R | |||
| PCA9535DBRG4 | ACTIVE | -40 to 85 | 1.00 | 1ku | SSOP (DB) | 24 | View | 2000 | LARGE T&R | |||
| PCA9535DGVR | ACTIVE | -40 to 85 | 1.00 | 1ku | TVSOP (DGV) | 24 | 2000 | LARGE T&R | ||||
| PCA9535DGVRG4 | ACTIVE | -40 to 85 | 1.00 | 1ku | TVSOP (DGV) | 24 | 2000 | LARGE T&R | ||||
| PCA9535DW | ACTIVE | -40 to 85 | 1.10 | 1ku | SOIC (DW) | 24 | View | 25 | TUBE | Purchase Samples | ||
| PCA9535DWG4 | ACTIVE | -40 to 85 | 1.10 | 1ku | SOIC (DW) | 24 | View | 25 | TUBE | Purchase Samples | ||
| PCA9535DWR | ACTIVE | -40 to 85 | 1.00 | 1ku | SOIC (DW) | 24 | View | 2000 | LARGE T&R | |||
| PCA9535DWRG4 | ACTIVE | -40 to 85 | 1.00 | 1ku | SOIC (DW) | 24 | View | 2000 | LARGE T&R | |||
| PCA9535PW | ACTIVE | -40 to 85 | 1.10 | 1ku | TSSOP (PW) | 24 | View | 60 | TUBE | Purchase Samples | ||
| PCA9535PWE4 | ACTIVE | -40 to 85 | 1.10 | 1ku | TSSOP (PW) | 24 | View | 60 | TUBE | Purchase Samples | ||
| PCA9535PWG4 | ACTIVE | -40 to 85 | 1.10 | 1ku | TSSOP (PW) | 24 | View | 60 | TUBE | Purchase Samples | ||
| PCA9535PWR | ACTIVE | -40 to 85 | 1.00 | 1ku | TSSOP (PW) | 24 | View | 2000 | LARGE T&R | |||
| PCA9535PWRE4 | ACTIVE | -40 to 85 | 1.00 | 1ku | TSSOP (PW) | 24 | View | 2000 | LARGE T&R | |||
| PCA9535PWRG4 | ACTIVE | -40 to 85 | 1.00 | 1ku | TSSOP (PW) | 24 | View | 2000 | LARGE T&R | |||
| PCA9535RGER | ACTIVE | -40 to 85 | 1.00 | 1ku | VQFN (RGE) | 24 | View | 3000 | LARGE T&R | |||
| PCA9535RGERG4 | ACTIVE | -40 to 85 | 1.00 | 1ku | VQFN (RGE) | 24 | View | 3000 | LARGE T&R | |||
| PCA9535RTWR | ACTIVE | -40 to 85 | 1.00 | 1ku | QFN (RTW) | 24 | 3000 | LARGE T&R | ||||
| PCA9535RTWRG4 | ACTIVE | -40 to 85 | 1.00 | 1ku | QFN (RTW) | 24 | 3000 | 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.
| TI Inventory Status | Reported Distributor Inventory | |||||
| PCA9535DB | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 10 Weeks | Americas | Arrow | 600 | |||
| DigiKey | Available | |||||
| Mouser Electronics | 290 | |||||
| Europe | Avnet-SILICA | 300 | ||||
| EBV Elektronik | 60 | |||||
| Spoerle | 120 | |||||
| PCA9535DBG4 | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 10 Weeks | Americas | DigiKey | Available | |||
| PCA9535DBQR | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 4 Weeks | Americas | Arrow | >1k | |||
| Avnet | >1k | |||||
| DigiKey | >1k | |||||
| Mouser Electronics | 600 | |||||
| Asia | WPI | >1k | ||||
| PCA9535DBQRG4 | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 4 Weeks | Americas | DigiKey | Available | |||
| PCA9535DBR | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 7 Weeks | Americas | Arrow | >1k | |||
| DigiKey | >1k | |||||
| Mouser Electronics | 999 | |||||
| Asia | WPI | >1k | ||||
| Europe | Avnet-SILICA | >1k | ||||
| PCA9535DBRG4 | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 7 Weeks | Americas | DigiKey | Available | |||
| PCA9535DGVR | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 7 Weeks | Americas | Arrow | >1k | |||
| DigiKey | >1k | |||||
| Mouser Electronics | >1k | |||||
| Rochester Electronics | >1k | |||||
| Asia | WPI | >1k | ||||
| PCA9535DGVRG4 | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 7 Weeks | Americas | DigiKey | Available | |||
| PCA9535DW | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 5 Weeks | Americas | Arrow | >1k | |||
| DigiKey | Available | |||||
| Mouser Electronics | 89 | |||||
| Newark | 183 | |||||
| Rochester Electronics | >1k | |||||
| Europe | Avnet-SILICA | 725 | ||||
| PCA9535DWG4 | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 5 Weeks | Americas | DigiKey | Available | |||
| Europe | EBV Elektronik | 75 | ||||
| PCA9535DWR | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 5 Weeks | Americas | Arrow | >1k | |||
| DigiKey | >1k | |||||
| Mouser Electronics | >1k | |||||
| Newark | >1k | |||||
| Rochester Electronics | >1k | |||||
| Asia | WPI | >1k | ||||
| Europe | Avnet-SILICA | >1k | ||||
| PCA9535DWRG4 | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 5 Weeks | Americas | DigiKey | Available | |||
| PCA9535PW | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 11 Weeks | Americas | Arrow | 100 | |||
| Avnet | 505 | |||||
| DigiKey | Available | |||||
| Mouser Electronics | 237 | |||||
| Newark | 139 | |||||
| Europe | Avnet-SILICA | 453 | ||||
| PCA9535PWE4 | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 11 Weeks | Americas | DigiKey | Available | |||
| PCA9535PWG4 | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 11 Weeks | Americas | DigiKey | Available | |||
| PCA9535PWR | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 10 Weeks | Americas | Arrow | >1k | |||
| Avnet | >1k | |||||
| DigiKey | >1k | |||||
| Mouser Electronics | >1k | |||||
| Newark | 933 | |||||
| Rochester Electronics | >1k | |||||
| Asia | WPI | >1k | ||||
| Europe | Avnet-SILICA | >1k | ||||
| PCA9535PWRE4 | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 10 Weeks | Americas | DigiKey | Available | |||
| PCA9535PWRG4 | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 10 Weeks | Americas | DigiKey | Available | |||
| PCA9535RGER | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 10 Weeks | Americas | Arrow | >1k | |||
| DigiKey | >1k | |||||
| Mouser Electronics | >1k | |||||
| Newark | >1k | |||||
| Rochester Electronics | >1k | |||||
| Asia | WPI | 515 | ||||
| PCA9535RGERG4 | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 10 Weeks | Americas | DigiKey | Available | |||
| PCA9535RTWR | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 8 Weeks | Americas | Arrow | >1k | |||
| DigiKey | 504 | |||||
| Asia | WPI | >1k | ||||
| PCA9535RTWRG4 | As of 11:08 AM GMT, 03 Jul 2009 | As of 11:08 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 8 Weeks | Americas | DigiKey | Available | |||
** 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.
| Product Content | DPPM / MTBF / FIT Rate | ||||
| Device | Eco Plan* | Lead / Ball Finish | MSL Rating / Peak Reflow | Details | Details |
| PCA9535DB | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535DBG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535DBQR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| PCA9535DBQRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| PCA9535DBR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535DBRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535DGVR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535DGVRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535DW | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535DWG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535DWR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535DWRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535PW | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535PWE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535PWG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535PWR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535PWRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535PWRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| PCA9535RGER | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| PCA9535RGERG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| PCA9535RTWR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| PCA9535RTWRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
* 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.
Most useful technical documents for PCA9535 
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