Interfaces
I²C, SPI, Serial Interface Devices
I²C General Purpose I/O
- PCA6408A
- PCA6416A
- PCA8574_74A
- PCA8575
- PCA9500
- PCA9501
- PCA9502BS
- PCA9505_06
- PCA9534
- PCA9535A
- PCA9535_PCA9535C
- PCA9536
- PCA9537DP
- PCA9538
- PCA9538A
- PCA9539A
- PCA9539_PCA9539R
- PCA9554B_PCA9554C
- PCA9554_PCA9554A
- PCA9555
- PCA9555A
- PCA9557
- PCA9570
- PCA9571
- PCA9574
- PCA9575
- PCA9621
- PCA9670BS
- PCA9670PW
- PCA9671
- PCA9672
- PCA9673
- PCA9674_PCA9674A
- PCA9675
- PCA9698
- 18 V tolerant SPI 16-bit/8-bit GPI with INT
- PCA9701_PCA9702
- PCA9703
- PCA9703HF
- PCA9704PW
- PCAL6408A
- PCAL6416A
- PCAL6416AEX
- PCAL6534
- PCAL9535A
- PCAL9538A
- PCAL9539A
- PCAL9554B; PCAL9554C
- PCAL9555A
- PCF8574_74A
- PCF8575
PCA9557

PCA9557: 8-bit I²C-bus and SMBus I/O Port with Reset

Data Sheet (1)

Name/Description	Modified Date
8-bit I2C-bus and SMBus I/O port with reset ^{(REV 7.0)} PDF 289.1 kB PCA9557 [ English ]	10 Dec 2013

Application Note (6)

Name/Description	Modified Date
AN469 ^{(REV 2.0)} PDF 301.0 kB AN469 [ English ]	20 Jan 2005
Driving stepper motors using NXP I2C-bus GPIO expanders ^{(REV 2.0)} PDF 281.2 kB AN10814 [ English ]	24 Oct 2011
AN10216 ^{(REV 1.0)} PDF 4.3 MB AN10216 [ English ]	27 Mar 2003
AN262 ^{(REV 2.0)} PDF 826.2 kB AN262 [ English ]	01 Oct 2004
PCA9500/PCA9501 provides simple card maintenance and control using I²C-bus ^{(REV 1.0)} PDF 92.3 kB AN256 [ English ]	23 Mar 2009
Level shifting techniques in I2C-bus design ^{(REV 1.0)} PDF 53.7 kB AN10441 [ English ]	20 Jun 2007

User Guide (1)

Name/Description	Modified Date
I2C-bus specification and user manual ^{(REV 6.0)} PDF 1.4 MB UM10204 [ English , 日本語 ] I2C-bus specification and user manual^{(REV 6.0)} PDF ( 1.4 MB)	28 Apr 2014

Brochure (1)

Name/Description	Modified Date
Convenient parallel I/O expansion or collection via the I2C/SMBus; NXP Octal SMBus registered interface PCA9557 ^{(REV 1.2)} PDF 386.1 kB 750_16534 [ English ]	01 Aug 2008

Package Information (2)

Name/Description	Modified Date
plastic thermal enhanced very thin quad flat package; no leads; 16 terminals; body 4 x 4 x 0.85 mm ^{(REV 1.0)} PDF 205.3 kB SOT629-1 [ English ]	08 Feb 2016
plastic, thin shrink small outline package; 16 leads; 0.65 mm pitch; 5 mm x 4.4 mm x 1.1 mm body ^{(REV 1.2)} PDF 298.1 kB SOT403-1 [ English ]	10 Dec 2019

Packing Information (4)

Name/Description	Modified Date
HVQFN16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 ^{(REV 1.0)} PDF 264.7 kB SOT629-1_118 [ English ]	17 Apr 2013
TSSOP16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 ^{(REV 1.0)} PDF 223.6 kB SOT403-1_118 [ English ]	08 Apr 2013
SO16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 ^{(REV 4.0)} PDF 215.2 kB SOT109-1_118 [ English ]	24 Apr 2013
HVQFN16; Reel pack; SMD, 13" Q2/T3 Standard product orientation Orderable part number ending ,128 or HP Ordering code (12NC) ending 128 ^{(REV 1.0)} PDF 193.2 kB SOT629-1_128 [ English ]	14 Dec 2015

Reports or Presentation (1)

Name/Description	Modified Date
design_con_2003_tecforum_i2c_b_1 ^{(REV 0.1)} PDF 4.4 MB DESIGN_CON_2003_TECFORUM_I2C_B_1 [ English ]	27 Jan 2003

Supporting Information (2)

Name/Description	Modified Date
Footprint for wave soldering ^{(REV 1.0)} PDF 16.6 kB SSOP-TSSOP-VSO-WAVE [ English ]	08 Oct 2009
Footprint for wave soldering ^{(REV 1.0)} PDF 8.3 kB SO-SOJ-WAVE [ English ]	08 Oct 2009