8-bit I2C and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM and 2 k bit EEPROM

DESCRIPTION The PCA9558 is a highly integrated, multi-function device that is composed of a 5-bit multiplexed/1-bit latched 6-bit I2C/SMBus EEPROM, an 8-bit I/O expander and a 2K serial EEPROM with write protect. The PCA9558 integrates these commonly used components into a single chip to reduce c

文件：131.32 Kbytes 頁數(shù)：18 Pages

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8-bit I2C-bus and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C-bus EEPROM DIP switch and 2-kbit EEPROM

General description The PCA9558 is a highly integrated, multi-function device that is composed of a 5-bit multiplexed/1-bit latched 6-bit I2C-bus/SMBus EEPROM DIP switch, an 8-bit I/O expander and a 2-kbit serial EEPROM with write protect. The PCA9558 integrates these commonly used components int

文件：165.8 Kbytes 頁數(shù)：27 Pages

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Smart, simple solutions for the 12 most common design concerns

文件：727.81 Kbytes 頁數(shù)：8 Pages

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8-bit I2C and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM and 2 k bit EEPROM

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8-bit I2C-bus and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C-bus EEPROM DIP switch and 2-kbit EEPROM

General description The PCA9558 is a highly integrated, multi-function device that is composed of a 5-bit multiplexed/1-bit latched 6-bit I2C-bus/SMBus EEPROM DIP switch, an 8-bit I/O expander and a 2-kbit serial EEPROM with write protect. The PCA9558 integrates these commonly used components int

文件：165.8 Kbytes 頁數(shù)：27 Pages

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8-bit I2C and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM and 2 k bit EEPROM

DESCRIPTION The PCA9558 is a highly integrated, multi-function device that is composed of a 5-bit multiplexed/1-bit latched 6-bit I2C/SMBus EEPROM, an 8-bit I/O expander and a 2K serial EEPROM with write protect. The PCA9558 integrates these commonly used components into a single chip to reduce c

文件：131.32 Kbytes 頁數(shù)：18 Pages

PHI

PHI

8位I2C總線和SMBus I/O端口，帶有5位多路復(fù)用/1位閉鎖的6位I2C總線EEPROM DIP開關(guān)和2-kbit EEPROM

PCA9558是一款高度集成的多功能器件，由5位多路復(fù)用/1位閉鎖的6位I2C總線/SMBus EEPROM DIP開關(guān)、8位I/O擴(kuò)展器和帶有寫保護(hù)的2-kbit串行EEPROM組成。PCA9558將這些常用的組件集成入單個(gè)芯片中以減少組件數(shù)并降低電路板空間要求，在計(jì)算機(jī)、服務(wù)器和電信/網(wǎng)絡(luò)應(yīng)用中很有用。多路復(fù)用/閉鎖EEPROM DIP開關(guān) — 用于在由I2C總線/SMBus接口提供的和儲(chǔ)存在EEPROM中的一組5位默認(rèn)硬件輸入和備用輸入組之間選擇數(shù)字信息。此類選擇的示例包括處理器電壓配置或處理器廠商識(shí)別(VID)。由于通過I2C總線/SMBus可輕松更改設(shè)置而無需關(guān)閉設(shè)備電源以打開機(jī)柜， 5位二選一多路復(fù)用器、1位閉鎖DIP開關(guān)\n通過I2C總線可對(duì)6位MUX_OUTx和NON_MUXED_OUT EEPROM進(jìn)行編程和讀取\n5 V耐受開漏MUX_OUTx和NON_MUXED_OUT輸出\n低電平有效的超馳輸入強(qiáng)制所有MUX_OUTx輸出為邏輯0\nI2C總線可讀取的MUX_INx輸入\n5 V耐受開漏IOx引腳，上電時(shí)默認(rèn)為輸出\n一個(gè)地址引腳，允許I2總線上最多有兩個(gè)器件\n8個(gè)I/O引腳的低電平有效復(fù)位輸入，帶有內(nèi)部上拉\n通過I2C總線或I/O可對(duì)2048位EEPROM進(jìn)行編程和讀取\n3.0 V至3.6 V的工作電源電壓范圍\nSMBus符合固定的3.3V電平\n2;

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