8-bit I2C and SMBus I/O Port

Description The PCA9554 is a CMOS device that provides 8?bit parallel input/output port expansion for I2C and SMBus compatible applications. This I/O expander provides a simple solution in applications where additional I/Os are needed: sensors, power switches, LEDs, pushbuttons, and fans. The PC

文件：103.68 Kbytes 頁(yè)數(shù)：11 Pages

ONSEMI

安森美半導(dǎo)體

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

DESCRIPTION The PCA9554 and PCA9554A are 16-pin CMOS devices that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C/SMBus applications and were developed to enhance the Philips family of I C I/O expanders. The improvements include higher drive capability, 5V I/O t

文件：183.77 Kbytes 頁(yè)數(shù)：20 Pages

PHI

PHI

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

General description The PCA9554 and PCA9554A are 16-pin CMOS devices that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and were developed to enhance the 恩XP Semiconductors family of I2C-bus I/O expanders. The improvements include higher d

文件：187.57 Kbytes 頁(yè)數(shù)：30 Pages

恩XP

Smart, simple solutions for the 12 most common design concerns

文件：727.81 Kbytes 頁(yè)數(shù)：8 Pages

恩XP

SMBus I/O Expander With Interrupt Output

文件：768.9 Kbytes 頁(yè)數(shù)：34 Pages

TI

德州儀器

具有中斷、8 位 I2C 的 SMBus I / O 端口

The PCA9554 is a CMOS device that provides 8?bit parallel input/output port expansion for I2C and SMBus compatible applications. This I/O expander provides a simple solution in applications where additional I/Os are needed: sensors, power switches, LEDs, pushbuttons, and fans. The PCA9554 consist of ? 400 kHz I2C Bus Compatible\n? 2.3 V to 5.5 V Operation\n? Low Standby Current\n? 5 V Tolerant I/Os\n? 8 I/O Pins that Default to Inputs at Power?up\n? High Drive Capability\n? Individual I/O Configuration\n? Polarity Inversion Register\n? Active Low Interrupt Output\n? Internal Power?on Reset\n? N;

ONSEMI

安森美半導(dǎo)體

具有中斷、弱上拉和配置寄存器的 8 位 2.3V 至 5.5V I2C/SMBus I/O 擴(kuò)展器

INT can be connected to the interrupt input of a microcontroller. By sending an interrupt signal on this line, the remote I/O can inform the microcontroller if there is incoming data on its ports without having to communicate via the I2C bus. Thus, the PCA9554 can remain a simple slave device.\n\nTh ? I2C 至并行端口擴(kuò)展器\n? 開(kāi)漏電路低電平有效中斷輸出\n? 2.3?V 至 5.5V 的工作電源電壓范圍\n? 耐受 5V 電壓的 I/O\n? 400kHz 快速 I2C 總線(xiàn)\n? 3 個(gè)硬件地址引腳可在 I2C/SMBus 上支持最多 8 個(gè)器件\n? 輸入/輸出配置寄存器\n? 極性反轉(zhuǎn)寄存器\n? 內(nèi)部加電復(fù)位\n? 所用通道在加電時(shí)被配置為輸入\n? 在加電時(shí)無(wú)毛刺脈沖\n? 針對(duì)直接驅(qū)動(dòng) LED 的具有高電流驅(qū)動(dòng)最大能力的鎖存輸出\n? 鎖斷性能超過(guò) 100mA，符合 JESD 78 II 類(lèi)規(guī)范的要求）\n? ESD 保護(hù)性能超過(guò) JESD 22 規(guī)范要求 \n? 2;

TI

德州儀器

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

DESCRIPTION The PCA9554 and PCA9554A are 16-pin CMOS devices that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C/SMBus applications and were developed to enhance the Philips family of I C I/O expanders. The improvements include higher drive capability, 5V I/O t

文件：183.77 Kbytes 頁(yè)數(shù)：20 Pages

PHI

PHI

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

General description The PCA9554 and PCA9554A are 16-pin CMOS devices that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and were developed to enhance the 恩XP Semiconductors family of I2C-bus I/O expanders. The improvements include higher d

文件：187.57 Kbytes 頁(yè)數(shù)：30 Pages

恩XP

PCA9554A Remote 8-Bit I2C and SMBus I/O Expander With Interrupt Output and Configuration Registers

1 Features ? I2C to Parallel Port Expander ? Open-Drain Active-Low Interrupt Output ? Operating Power-Supply Voltage Range of 2.3 V to 5.5 V ? 5-V Tolerant I/Os ? 400-kHz Fast I2C Bus ? Three Hardware Address Pins Allow up to Eight Devices on the I2C/SMBus ? Input/Output Configuration Reg

文件：2.42678 Mbytes 頁(yè)數(shù)：42 Pages

TI

德州儀器