Low-voltage translating, 8-bit I2C-bus/SMBus I/O expander with interrupt output, reset, and configuration registers

General description The PCAL6408A is an 8-bit general-purpose I/O expander that provides remote I/O expansion for most microcontroller families via the I2C-bus interface. 恩XP I/O expanders provide a simple solution when additional I/Os are needed while keeping interconnections to a minimum, fo

文件：2.69702 Mbytes 页数：49 Pages

恩XP

Low-voltage translating, 8-bit I2C-bus/SMBus I/O expander with interrupt output, reset, and configuration registers

文件：2.6978 Mbytes 页数：48 Pages

恩XP

Low-voltage translating, 8-bit I2C-bus/SMBus I/O expander with interrupt output, reset, and configuration registers

文件：2.6978 Mbytes 页数：48 Pages

恩XP

Low-voltage translating, 8-bit I2C-bus/SMBus I/O expander with interrupt output, reset, and configuration registers

文件：2.6978 Mbytes 页数：48 Pages

恩XP

带有中断输出、复位和配置寄存器的低电压、8位I²C总线和SMBus I/O扩展器

PCAL6408A是一款8位通用I/O扩展器，通过I²C总线接口为大多数微控制器系列提供远程I/O扩展。\n在保持互连最小化的同时需要额外的I/O时，恩XP I/O扩展器提供简易的解决方案，例如，在用于连接传感器、按钮、键区等附件的电池供电移动应用中。除提供灵活的GPIO设置外，还简化了运行在一个电压级别上的处理器与工作在不同（通常更高）电压级别上的I/O器件之间的连接。PCAL6408A具备内置电平切换功能，使这些器件在需要在不兼容I/O电压之间进行通信的混合信号环境中极其灵活。\n其双电源轨上1.65 V至5.5 V的宽范围VDD允许与接口侧(SDA/SCL)的下一代低电压微处理器和微控制 I²C总线至并行端口扩展器\n1.65 V至5.5 V的工作电源电压范围\n允许下列项目之间的双向电压电平变换和GPIO扩展：1.8 V SCL/SDA和1.8 V、2.5 V、3.3 V或5 V端口P\n2.5 V SCL/SDA和1.8 V、2.5 V、3.3 V或5 V端口P\n3.3 V SCL/SDA和1.8 V、2.5 V、3.3 V或5 V端口P\n5 V SCL/SDA和1.8 V、2.5 V、3.3 V或5 V端口P\n\n1 μA的低待机电流消耗\n施密特触发器操作允许在SCL和SDA输入上进行缓慢输入转变并带来更好的切换噪音抗扰性：1.8 V时Vhys = 0.18 V（;

恩XP

Low-voltage translating, 8-bit I2C-bus/SMBus I/O expander

The PCAL6408A is an 8-bit general purpose I/O expander that provides remote I/Oexpansion for most microcontroller families via the I²C-bus interface.\n恩XP® I/O expanders provide a simple solution when additional I/Os are needed whilekeeping interconnections to a minimum, for example, in battery-powe • I²C-bus to parallel port expander\n• Operating power supply voltage range of 1.65 V to 5.5 V\n• Allows bidirectional voltage-level translation and GPIO expansion between:• 1.8 V SCL/SDA and 1.8 V, 2.5 V, 3.3 V or 5 V Port P\n• 2.5 V SCL/SDA and 1.8 V, 2.5 V, 3.3 V or 5 V Port P\n• 3.3 V SCL/SDA an;

恩XP

Low-voltage translating, 8-bit I2C-bus/SMBus I/O expander

The PCAL6408A is an 8-bit general purpose I/O expander that provides remote I/Oexpansion for most microcontroller families via the I²C-bus interface.\n恩XP® I/O expanders provide a simple solution when additional I/Os are needed whilekeeping interconnections to a minimum, for example, in battery-powe • I²C-bus to parallel port expander\n• Operating power supply voltage range of 1.65 V to 5.5 V\n• Allows bidirectional voltage-level translation and GPIO expansion between:• 1.8 V SCL/SDA and 1.8 V, 2.5 V, 3.3 V or 5 V Port P\n• 2.5 V SCL/SDA and 1.8 V, 2.5 V, 3.3 V or 5 V Port P\n• 3.3 V SCL/SDA an;

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