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PCA9540BGD,125 PDF预览

PCA9540BGD,125

更新时间: 2024-02-09 10:16:20
品牌 Logo 应用领域
恩智浦 - NXP PC光电二极管逻辑集成电路
页数 文件大小 规格书
26页 363K
描述
PCA9540B - 2-channel I²C-bus multiplexer SON 8-Pin

PCA9540BGD,125 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:SON包装说明:VSON,
针数:8Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:1.73
其他特性:ALSO OPERATES WITH 3.6 TO 5.5V SUPPLY, SEATED HGT-NOM系列:9540
JESD-30 代码:R-PDSO-N8长度:3 mm
逻辑集成电路类型:MULTIPLEXER湿度敏感等级:1
功能数量:1输入次数:2
输出次数:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:VSON封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, VERY THIN PROFILE峰值回流温度(摄氏度):NOT SPECIFIED
传播延迟(tpd):0.3 ns座面最大高度:0.5 mm
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):2.3 V
标称供电电压 (Vsup):2.5 V表面贴装:YES
温度等级:INDUSTRIAL端子形式:NO LEAD
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:2 mm
Base Number Matches:1

PCA9540BGD,125 数据手册

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PCA9540B  
2-channel I2C-bus multiplexer  
Rev. 5 — 12 February 2013  
Product data sheet  
1. General description  
The PCA9540B is a 1-of-2 bidirectional translating multiplexer, controlled via the I2C-bus.  
The SCL/SDA upstream pair fans out to two SCx/SDx downstream pairs, or channels.  
Only one SCx/SDx channel is selected at a time, determined by the contents of the  
programmable control register.  
A power-on reset function puts the registers in their default state and initializes the I2C-bus  
state machine with no channels selected.  
The pass gates of the multiplexer are constructed such that the VDD pin can be used to  
limit the maximum high voltage that will be passed by the PCA9540B. This allows the use  
of different bus voltages on each SCx/SDx pair, so that 1.8 V, 2.5 V or 3.3 V parts can  
communicate with 5 V parts without any additional protection. External pull-up resistors  
can pull the bus up to the desired voltage level for this channel. All I/O pins are 5 V  
tolerant.  
2. Features and benefits  
1-of-2 bidirectional translating multiplexer  
I2C-bus interface logic; compatible with SMBus standards  
Channel selection via I2C-bus  
Power up with all multiplexer channels deselected  
Low Ron switches  
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  
Low standby current  
Operating power supply voltage range of 2.3 V to 5.5 V  
5 V tolerant inputs  
0 Hz to 400 kHz clock frequency  
ESD protection exceeds 2000 V HBM per JESD22-A114, and 1000 V CDM per  
JESD22-C101  
Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA  
Packages offered: SO8, TSSOP8, XSON8U  
 
 

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