该器件是一款硅CMOS电路。通过两路双向总线(I²C总线)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。PCF8575C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。还具有中断线路(INT),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。这表示该器件是一款I²C总线从发送器/接收器。
每个来自PCF8575C的数据传输必须由偶数字节组成,第一个字节可以是P07至P00而第二个字节可以是P17至P10。第三个可以是P07至P00,等等。
名称/描述 | Modified Date |
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Remote 16-bit I/O expander for I2C-bus (REV 1.0) PDF (118.0 kB) PCF8575C [English] | 05 Aug 1999 |
名称/描述 | Modified Date |
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ESD and EMC sensitivity of IC (REV 1.0) PDF (745.0 kB) AN10853 [English] | 14 Mar 2013 |
I2C/SMBus general purpose I/O expanders (REV 2.0) PDF (294.0 kB) AN469 [English] | 20 Jan 2005 |
名称/描述 | Modified Date |
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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 |
I2C Demonstration Board 2005-1 Quick Start Guide (REV 1.0) PDF (261.0 kB) UM10206 [English] | 13 Jun 2006 |
名称/描述 | Modified Date |
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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 |
Low-power GPIO expanders for portable applications; NXP® 8/16-bit I2C/SMBus GPIO expanders... (REV 1.0) PDF (239.0 kB) 75016020 [English] | 01 Jun 2007 |
名称/描述 | Modified Date |
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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 |
名称/描述 | Modified Date |
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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 |
名称/描述 | Modified Date |
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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 |
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 |
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PCF8575CTS/1 | Active | 16 | 2.5 | 5.5 | 1 | 2.5 | 25 | 200 | Y | Open drain | Int I source | 400 | 66.36 | SSOP24 | SOT340-1 | -40~85 | 8 | |||||
PCF8575CTS/F1 | No Longer Manufactured | 16 | 2.5 | 5.5 | 1 | 2.5 | 25 | 200 | Y | Open drain | Int I source | 400 | 66.36 | SSOP24 | SOT340-1 | -40~85 | 8 |
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 | MSL | MSL LF |
---|---|---|---|---|---|---|---|---|---|---|---|---|
PCF8575CTS/1 | SOT340-1 | SSOP-TSSOP-VSO-REFLOW
SSOP-TSSOP-VSO-WAVE SSOP-TSSOP-VSO-REFLOW SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | PCF8575CTS/1,118 (9352 786 77118) | PC8575CTS | PCF8575CTS/1 | Always Pb-free | 1 | 1 | ||
Bulk Pack | Active | PCF8575CTS/1,112 (9352 786 77112) | PC8575CTS | PCF8575CTS/1 | Always Pb-free | 1 | 1 |