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位置：PCA9541ABS/03 > PCA9541ABS/03詳情

PCA9541ABS/03中文資料

廠家型號(hào)	PCA9541ABS/03
文件大小	220.06Kbytes
頁(yè)面數(shù)量	41頁(yè)
功能描述	2-to-1 I2C-bus master selector with interrupt logic and reset
數(shù)據(jù)手冊(cè)	原廠下載下載地址一下載地址二到原廠下載
生產(chǎn)廠商	恩XP

相近規(guī)格書

PCA9541ABS/03數(shù)據(jù)手冊(cè)規(guī)格書PDF詳情

General description

The PCA9541A is a 2-to-1 I2C-bus master selector designed for high reliability dual master I2C-bus applications where system operation is required, even when one master fails or the controller card is removed for maintenance. The two masters (for example, primary and back-up) are located on separate I2C-buses that connect to the same downstream I2C-bus slave devices. I2C-bus commands are sent by either I2C-bus master and are used to select one master at a time. Either master at any time can gain control of the slave devices if the other master is disabled or removed from the system. The failed master is isolated from the system and will not affect communication between the on-line master and the slave devices on the downstream I2C-bus.

Features

2-to-1 bidirectional master selector

I2C-bus interface logic; compatible with SMBus standards

PCA9541A/01 powers up with Channel 0 selected

PCA9541A/03 powers up with no channel selected and either master can take control of the bus

Active LOW interrupt input

2 active LOW interrupt outputs

Active LOW reset input

4 address pins allowing up to 16 devices on the I2C-bus

Channel selection via I2C-bus

Bus initialization/recovery function

Bus traffic sensor

Low Ronswitches

Allows voltage level translation between 1.8 V, 2.5 V, 3.3 V and 5 V buses

No glitch on power-up

Supports hot insertion

Software identical for both masters

Low standby current

Operating power supply voltage range of 2.3 V to 5.5 V 6.0 V tolerant inputs

0 Hz to 400 kHz clock frequency

ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101

Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA

Packages offered: SO16, TSSOP16, HVQFN16

Applications

High reliability systems with dual masters

Gatekeeper multiplexer on long single bus

Bus initialization/recovery for slave devices without hardware reset

Allows masters without arbitration logic to share resources

PCA9541ABS/03供應(yīng)商...

更新時(shí)間：2025-7-13 22:59:00

供應(yīng)商	型號(hào)	品牌	批號(hào)	封裝	庫(kù)存	備注	價(jià)格
深圳市高捷芯城科技有限公司	PCA9541ABS/03	恩XP	24+	標(biāo)準(zhǔn)封裝	8548	全新原裝正品/價(jià)格優(yōu)惠/質(zhì)量保障	詢價(jià)
中天科工半導(dǎo)體（深圳）有限公司	PCA9541ABS/03	恩XP	25+	QFN	32360	NXP/恩智浦全新特價(jià)PCA9541ABS/03即刻詢購(gòu)立享優(yōu)惠#長(zhǎng)期有貨	詢價(jià)
深圳市德正通電子有限公司	PCA9541ABS/03,118	恩XP	12+	SOT629	60	原裝正品現(xiàn)貨,德為本,正為先,通天下!	詢價(jià)
深圳市坤融電子科技有限公司	PCA9541ABS/03	恩XP	24+	QFN	1379	原廠授權(quán)代理價(jià)格絕對(duì)優(yōu)勢(shì)	詢價(jià)
深圳市萊克訊科技有限公司	PCA9541ABS/03	恩XP	1923+	QFN	8900	公司原裝現(xiàn)貨特價(jià)長(zhǎng)期供貨歡迎來(lái)電咨詢	詢價(jià)
深圳市順鑫晟科技有限公司	PCA9541ABS/03	恩XP	25+	SOT629	188600	全新原廠原裝正品現(xiàn)貨歡迎咨詢	詢價(jià)
深圳市華來(lái)深電子有限公司	PCA9541ABS/03	恩XP	23+	QFN	8600	受權(quán)代理!全新原裝現(xiàn)貨特價(jià)熱賣!	詢價(jià)
深圳市歐亞佳電子有限公司	PCA9541ABS/03	恩XP	20+	SMD	11520	特價(jià)全新原裝公司現(xiàn)貨	詢價(jià)
瀚佳科技(深圳)有限公司	PCA9541ABS/03	恩XP	24+	QFN	36500	原裝現(xiàn)貨/放心購(gòu)買	詢價(jià)
深圳市河鋒鑫科技有限公司	PCA9541ABS/03	恩XP	22+	16HVQFN	9000	原廠渠道,現(xiàn)貨配單	詢價(jià)

PCA9541ABS/03,118 價(jià)格

參考價(jià)格：￥6.5998

型號(hào)：PCA9541ABS/03,118 品牌：Keystone 備注：這里有PCA9541ABS/03多少錢，2025年最近7天走勢(shì)，今日出價(jià)，今日競(jìng)價(jià)，PCA9541ABS/03批發(fā)/采購(gòu)報(bào)價(jià)，PCA9541ABS/03行情走勢(shì)銷售排排榜，PCA9541ABS/03報(bào)價(jià)。