PCA9539; PCA9539R: 16-bit I²C-bus and SMBus low power I/O port with interrupt and reset
The PCA9539; PCA9539R is a 24-pin CMOS device that provides 16 bits of General Purpose parallel Input/Output (GPIO) expansion with interrupt and reset for I²C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I²C-bus I/O expanders. I/O expanders provide a simple solution when additional I/O is needed for ACPI power switches, sensors, push buttons, LEDs, fans, etc.
The PCA9539; PCA9539R consists of two 8-bit configuration (input or output selection), input, output and polarity inversion (active HIGH or active LOW operation) registers. 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 register. The polarity of the read register can be inverted with the Polarity inversion register. All registers can be read by the system master.
The PCA9539; PCA9539R is identical to the PCA9555 except for the removal of the internal I/O pull-up resistor which greatly reduces power consumption when the I/Os are held LOW, replacement of A2 with RESET and a different address range.
The PCA9539; PCA9539R open-drain interrupt 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.
The power-on reset sets the registers to their default values and initializes the device state machine. In the PCA9539, the RESET pin causes the same reset/default I/O input configuration to occur without de-powering the device, holding the registers and I²C-bus state machine in their default state until the RESET input is once again HIGH. This input requires a pull-up to VDD. In the PCA9539R however, only the device state machine is initialized by the RESET pin and the internal general-purpose registers remain unchanged. Using the PCA9539R RESET pin will only reset the I²C-bus interface should it be stuck LOW to regain access to the I²C-bus. This allows the I/O pins to retain their last configured state so that they can keep any lines in their previously defined state and not cause system errors while the I²C-bus is being restored.
Two hardware pins (A0, A1) vary the fixed I²C-bus address and allow up to four devices to share the same I²C-bus/SMBus.
PCA9539_PCA9539R: Product Block Diagram
Outline 3d SOT137-1
Data Sheets (1)
| Name/Description | Modified Date |
|---|---|
| 16-bit I2C-bus and SMBus low power I/O port with interrupt and reset (REV 8.0) PDF (491.0 kB) PCA9539_PCA9539R | 26 Nov 2014 |
Application Notes (4)
| Name/Description | Modified Date |
|---|---|
| Driving stepper motors using NXP® I2C-bus GPIO expanders (REV 2.0) PDF (275.0 kB) AN10814 | 24 Oct 2011 |
| PCA9500/PCA9501 provides simple card maintenance and control using I²C-bus (REV 1.0) PDF (90.0 kB) AN256 | 23 Mar 2009 |
| Level shifting techniques in I2C-bus design (REV 1.0) PDF (52.0 kB) AN10441 | 20 Jun 2007 |
| I2C/SMBus general purpose I/O expanders (REV 2.0) PDF (294.0 kB) AN469 | 20 Jan 2005 |
Users Guides (4)
| Name/Description | Modified Date |
|---|---|
| I2C-bus specification and user manual (REV 6.0) PDF (1.4 MB) UM10204 | 28 Apr 2014 |
| I2C-bus specification and user manual (REV 5.0) PDF (1.6 MB) UM10204_JA | 03 Apr 2013 |
| PCA9698 demonstration board OM6281 (REV 1.0) PDF (558.0 kB) UM10267 | 26 Sep 2008 |
| I2C Demonstration Board 2005-1 Quick Start Guide (REV 1.0) PDF (261.0 kB) UM10206 | 13 Jun 2006 |
Brochures (3)
| Name/Description | Modified Date |
|---|---|
| NXP® I2C-bus solutions 2014: Smart, simple solutions for the 12 most common design concerns (REV 1.0) PDF (3.5 MB) 75017540 | 01 Aug 2014 |
| Versatile, easy-to-use GPIO expanders; NXP® 4/8/16-bit I2C/SMBus GPIO expanders PCA9536/54/54A/55 (REV 1.0) PDF (319.0 kB) 75016535 | 01 Aug 2008 |
| Create smarter, more efficient white goods; An industry-leading portfolio of cost-effective, power-saving solutions for... (REV 1.0) PDF (1.1 MB) 75016543 | 01 Jun 2008 |
Package Information (3)
| Name/Description | Modified Date |
|---|---|
| plastic small outline package; 24 leads; body width 7.5 mm (REV 1.0) PDF (379.0 kB) SOT137-1 | 08 Feb 2016 |
| plastic thin shrink small outline package; 24 leads; body width 4.4 mm (REV 1.0) PDF (353.0 kB) SOT355-1 | 08 Feb 2016 |
| plastic thermal enhanced very thin quad flat package; no leads; 24 terminals; body 4 x 4 x 0.85 mm (REV 1.0) PDF (202.0 kB) SOT616-1 | 08 Feb 2016 |
Packing (5)
| Name/Description | Modified Date |
|---|---|
| HVQFN24; Reel pack; SMD, 13", Q2/T3 Turned product orientation Orderable part number ending ,128 or HP Ordering code... (REV 1.0) PDF (185.0 kB) SOT616-1_128 | 16 Jul 2014 |
| HVQFN24; reel pack; standard product orientation; 12NC ending 118 (REV 1.0) PDF (196.0 kB) SOT616-1_118 | 16 Jan 2014 |
| HVQFN24; Reel pack; SMD, 7" Q1/T1 Standard product orientation Orderable part number ending ,115 or... (REV 1.0) PDF (203.0 kB) SOT616-1_115 | 23 Apr 2013 |
| TSSOP24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... (REV 4.1) PDF (227.0 kB) SOT355-1_118 | 15 Apr 2013 |
| SO24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering... (REV 4.0) PDF (235.0 kB) SOT137-1_118 | 12 Apr 2013 |
Supporting Information (2)
| Name/Description | Modified Date |
|---|---|
| Footprint for wave soldering (REV 1.0) PDF (8.0 kB) SO-SOJ-WAVE | 08 Oct 2009 |
| Footprint for wave soldering (REV 1.0) PDF (16.0 kB) SSOP-TSSOP-VSO-WAVE | 08 Oct 2009 |
IBIS Model
- PCA9539 IBIS model (REV 1.0) ibs PCA9539 8/13/2014
Ordering Information
| Product | Status |
|---|---|
| PCA9539D | Active |
| PCA9539RBS | Active |
| PCA9539BS | Active |
| PCA9539RPW | Active |
| PCA9539PW | Active |
Package Information
| Product ID | Package Description | Outline Version | Reflow/Wave Soldering | Packing | Product Status | Part NumberOrdering code(12NC) | Marking | Chemical Content | RoHS / Pb Free / RHF | LeadFree Conversion Date | EFR | IFR(FIT) | MTBF(hour) | MSL | MSL LF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PCA9539D | | SOT137-1 | SO-SOJ-WAVE | Reel 13" Q1/T1 | Active | PCA9539D,118 (9352 772 97118) | PCA9539D | PCA9539D |    | week 13, 2005 | 0.0 | 2.0 | 5E8 | 1 | 1 |
| Bulk Pack | Active | PCA9539D,112 (9352 772 97112) | PCA9539D | PCA9539D | | week 13, 2005 | 0.0 | 2.0 | 5E8 | 1 | 1 | ||||
| PCA9539BS |  | SOT616-1 | Reel 7" Q1/T1 | Active | PCA9539BS,115 (9352 772 96115) | 9539 | PCA9539BS |  | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 | |
| Reel 13" Q2/T3 | Active | PCA9539BSHP (9352 772 96128) | 9539 | PCA9539BS | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 | ||||
| Reel 13" Q1/T1 | Active | PCA9539BS,118 (9352 772 96118) | 9539 | PCA9539BS | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 | ||||
| PCA9539PW |  | SOT355-1 | SSOP-TSSOP-VSO-WAVE | Bulk Pack | Active | PCA9539PW,112 (9352 772 98112) | PCA9539PW | PCA9539PW | | week 47, 2004 | 0.0 | 2.0 | 5E8 | 1 | 1 |
| Reel 13" Q1/T1 | Active | PCA9539PW,118 (9352 772 98118) | PCA9539PW | PCA9539PW | | week 47, 2004 | 0.0 | 2.0 | 5E8 | 1 | 1 | ||||
| PCA9539PW/Q900 | | SOT355-1 | SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | PCA9539PW/Q900,118 (9352 968 63118) | PCA9539PW | PCA9539PW/Q900 | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 |
| PCA9539RBS | | SOT616-1 | Reel 13" Q1/T1 | Active | PCA9539RBS,118 (9352 866 04118) | 539R | PCA9539RBS | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 | |
| PCA9539RPW | | SOT355-1 | SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | PCA9539RPW,118 (9352 866 05118) | PA9539RPW | PCA9539RPW | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 |
| Bulk Pack | Discontinued | PCA9539RPW,112 (9352 866 05112) | PA9539RPW | PCA9539RPW | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 |
- 16-bit I2C-bus and SMBus low power I/O port with interrupt and reset pca9539_pca9539r
- Driving stepper motors using NXP® I2C-bus GPIO expanders pca9698
- PCA9500/PCA9501 provides simple card maintenance and control using I²C-bus PCA9553
- Level shifting techniques in I2C-bus design pca9685pw
- I2C/SMBus general purpose I/O expanders pcf8575ts
- I2C-bus specification and user manual pca9685pw
- I2C-bus specification and user manual pca9685pw
- PCA9698 demonstration board OM6281 PCA9553
- I2C Demonstration Board 2005-1 Quick Start Guide pca9685pw
- NXP® I2C-bus solutions 2014: Smart, simple solutions for the 12 most common design concerns pca9685pw
- Versatile, easy-to-use GPIO expanders; NXP® 4/8/16-bit I2C/SMBus GPIO expanders PCA9536/54/54A/55 pcf8570p
- Create smarter, more efficient white goods; An industry-leading portfolio of cost-effective, power-saving solutions for... PMEG6010CE_AUTOMOTIVE
- PCA9539 IBIS model PCA9539PW
- plastic small outline package; 24 leads; body width 7.5 mm 74LVC4245A_Q100
- Footprint for wave soldering NPIC6C596A_Q100
- SO24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering... 74LVC4245A_Q100
- HVQFN24; Reel pack; SMD, 7" Q1/T1 Standard product orientation Orderable part number ending ,115 or... TFF1007HN
- HVQFN24; Reel pack; SMD, 13", Q2/T3 Turned product orientation Orderable part number ending ,128 or HP Ordering code... pca9548a
- plastic thermal enhanced very thin quad flat package; no leads; 24 terminals; body 4 x 4 x 0.85 mm TFF1007HN
- HVQFN24; reel pack; standard product orientation; 12NC ending 118 TFF1007HN
- plastic thin shrink small outline package; 24 leads; body width 4.4 mm 74LVC4245A_Q100
- SSOP-TSSOP-VSO-WAVE LPC1114FDH28
- TSSOP24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... 74LVC4245A_Q100
- PCA9539_PCA9539R
- PCA9552
- TFF11152HN
- SA639DH
