16-bit I2C and SMBus I/O port with interrupt

DESCRIPTION The PCA9555 is a 24-pin CMOS device that provide 16 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C/SMBus applications and was developed to enhance the Philips family of IC I/O expanders. The improvements include higher drive capability, 5 V I/O tolerance, low

文件：185.32 Kbytes 页数：22 Pages

PHI

飞利浦

16-bit I2C-bus and SMBus I/O port with interrupt

General description The PCA9555 is a 24-pin CMOS device that provides 16 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvements include higher drive capab

文件：583.74 Kbytes 页数：34 Pages

恩XP

16-bit I2C-bus and SMBus I/O port with interrupt

文件：583.74 Kbytes 页数：34 Pages

恩XP

SMBus I/O Expander With Interrupt Output

文件：1.2966 Mbytes 页数：42 Pages

TI

德州仪器

Smart, simple solutions for the 12 most common design concerns

文件：727.81 Kbytes 页数：8 Pages

恩XP

16-bit I2C-bus and SMBus I/O port with interrupt

文件：583.74 Kbytes 页数：34 Pages

恩XP

REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS

文件：842.34 Kbytes 页数：35 Pages

TI

德州仪器

REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS

文件：818.47 Kbytes 页数：35 Pages

TI

德州仪器

REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS

文件：817.84 Kbytes 页数：35 Pages

TI

德州仪器

带有中断的16位I2C总线和SMBus I/O端口

PCA9555是一款24引脚CMOS器件，为I²C总线/SMBus应用提供16位通用并行输入/输出(GPIO)扩展且开发用于增强NXP Semiconductors系列的I²C总线I/O扩展器。改进内容包括更高的驱动能力、5 V I/O容限、更低的供电电流、独立的I/O配置和更小的封装。ACPI电源开关、传感器、按钮、LED、风扇等需要额外的I/O时，I/O扩展器提供简易的解决方案。\nPCA9555由两个8位配置（输入或输出选择）、输入、输出和极性反转（高电平有效或低电平有效操作）寄存器组成。系统主器件可通过写入I/O配置位将I/O用作输入或输出。每个输入或输出的数据保留在对应的输入或输出寄 2.3 V至5.5 V的工作电源电压范围\n5 V耐受I/O\n极性反转寄存器\n低电平有效的中断输出\n低待机电流\nSCL/SDA输入上有噪音滤波器\n上电时没有脉冲干扰\n内部上电复位\n默认为16个输入的16个I/O引脚\n0 Hz至400 kHz时钟频率\nESD保护：按JESD22-A114超过2000 V HBM，按JESD22-A115超过200 V MM，按JESD22-C101超过1000 V CDM\n已按照JEDEC标准JESD78完成闭锁测试，超过100 mA\n提供六种封装：DIP24、SO24、SSOP24、TSSOP24、HVQFN24和HWQFN24;

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