PCA8575DB: 带有中断的I2C总线远程16位I/O扩展器
PCA8575通过两路双向I²C总线（串行时钟(SCL)、串行数据(SDA)）为大多数微控制器系列提供通用远程I/O扩展。
器件由16位准双向端口和I²C总线接口组成。PCA8575具有低电流消耗且包含具备高电流驱动能力的锁存输出，用于直接驱动LED。
PCA8575还具有中断线路(1)，可连接至微控制器的中断逻辑。通过在此线路发送中断信号，远程I/O可通知微控制器其端口上是否存在输入数据而无需通过I²C总线通信。内部上电复位(POR)会将I/O初始化为输入。
PCA8575DB: 产品结构框图
Outline 3d SOT340-1
数据手册 (1)
| 名称/描述 | Modified Date |
|---|---|
| Remote 16-bit I/O expander for I2C-bus with interrupt (REV 2.0) PDF (181.0 kB) PCA8575 [English] | 21 Mar 2007 |
应用说明 (2)
| 名称/描述 | Modified Date |
|---|---|
| PCA9500/PCA9501 provides simple card maintenance and control using I²C-bus (REV 1.0) PDF (90.0 kB) AN256 [English] | 23 Mar 2009 |
| Level shifting techniques in I2C-bus design (REV 1.0) PDF (52.0 kB) AN10441 [English] | 20 Jun 2007 |
用户指南 (4)
| 名称/描述 | Modified Date |
|---|---|
| I2C-bus specification and user manual (REV 6.0) PDF (1.4 MB) UM10204 [English] | 28 Apr 2014 |
| I2C-bus specification and user manual (REV 5.0) PDF (1.6 MB) UM10204_JA [English] | 03 Apr 2013 |
| PCA9698 demonstration board OM6281 (REV 1.0) PDF (558.0 kB) UM10267 [English] | 26 Sep 2008 |
| I2C Demonstration Board 2005-1 Quick Start Guide (REV 1.0) PDF (261.0 kB) UM10206 [English] | 13 Jun 2006 |
手册 (3)
| 名称/描述 | 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 [English] | 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 [English] | 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 [English] | 01 Jun 2008 |
封装信息 (1)
| 名称/描述 | Modified Date |
|---|---|
| plastic shrink small outline package; 24 leads; body width 5.3 mm (REV 1.0) PDF (349.0 kB) SOT340-1 [English] | 08 Feb 2016 |
包装 (1)
| 名称/描述 | Modified Date |
|---|---|
| SSOP24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... (REV 1.0) PDF (230.0 kB) SOT340-1_118 [English] | 05 Apr 2013 |
支持信息 (2)
| 名称/描述 | Modified Date |
|---|---|
| Footprint for reflow soldering (REV 1.0) PDF (16.0 kB) SSOP-TSSOP-VSO-REFLOW [English] | 08 Oct 2009 |
| Footprint for wave soldering (REV 1.0) PDF (16.0 kB) SSOP-TSSOP-VSO-WAVE [English] | 08 Oct 2009 |
订购信息
| 型号 | 状态 | No of bits | VDD [min] (V) | VDD [max] (V) | Over volt tolerant | No of supplies | Standby current [typ] (µA) | Max Sink Current per bit (mA) | Max Sink Current, per package (mA) | Source Current per bit (mA) | Interrupt output pin | Reset input pin | Output mode | Input mode: invert option | Internal pull-up resistor per bit (kOhm) | I2C-bus (kHz) | Footprint body and leads (mm2) | Package name | Package version | Operating Temperature (Cel) | No of Addresses | Remark |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PCA8575DB | Active | 16 | 2.3 | 5.5 | Y | 1 | 2.5 | 25 | 400 | 0.1 | Y | Quasi | Int I source | 400 | 66.36 | SSOP24 | SOT340-1 | -40~85 | 8 |
封装环保信息
| 产品编号 | 封装说明 | Outline Version | 回流/波峰焊接 | 包装 | 产品状态 | 部件编号订购码 (12NC) | Marking | 化学成分 | RoHS / 无铅 / RHF | 无铅转换日期 | EFR | IFR(FIT) | MTBF（小时） | MSL | MSL LF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PCA8575DB | | SOT340-1 | SSOP-TSSOP-VSO-REFLOW
SSOP-TSSOP-VSO-WAVE SSOP-TSSOP-VSO-REFLOW SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | PCA8575DB,118 (9352 835 03118) | PCA8575DB | PCA8575DB |    | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 |
| Bulk Pack | Active | PCA8575DB,112 (9352 835 03112) | PCA8575DB | PCA8575DB | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 |
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