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PCA9544ABS,118 PDF预览

PCA9544ABS,118

更新时间： 2024-09-17 15:47:35
品牌 Logo 应用领域
恩智浦 - NXP PC逻辑集成电路
页数 文件大小 规格书
31页 288K
描述
PCA9544A - 4-channel I2C-bus multiplexer with interrupt logic QFN 20-Pin

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PCA9544ABS,118 技术参数

是否Rohs认证：符合生命周期：Active
零件包装代码：QFN包装说明：5 X 5 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT-662-1, HVQFN-20
针数：20Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：1.11
Samacsys Confidence：3Samacsys Status：Released
Samacsys PartID：424014Samacsys Pin Count：21
Samacsys Part Category：Integrated CircuitSamacsys Package Category：Quad Flat No-Lead
Samacsys Footprint Name：HVQFN20(SOT662-1)Samacsys Released Date：2018-08-29 16:35:42
Is Samacsys：N其他特性：ALSO OPERATES WITH 3.6 TO 5.5V SUPPLY
系列：9544JESD-30 代码：S-PQCC-N20
JESD-609代码：e4长度：5 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：20
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：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
传播延迟（tpd）：0.3 ns认证状态：Not Qualified
座面最大高度：1 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)：3.3 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：NICKEL PALLADIUM GOLD端子形式：NO LEAD
端子节距：0.65 mm端子位置：QUAD
处于峰值回流温度下的最长时间：30宽度：5 mm
Base Number Matches：1

PCA9544ABS,118 数据手册

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PCA9544A  
4-channel I2C-bus multiplexer with interrupt logic  
Rev. 5 — 23 April 2014  
Product data sheet  
1. General description  
The PCA9544A is a 1-of-4 bidirectional translating multiplexer, controlled via the I2C-bus.  
The SCL/SDA upstream pair fans out to four 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. Four interrupt inputs, INT0 to INT3, one for each of the  
SCx/SDx downstream pairs, are provided. One interrupt output, INT, which acts as an  
AND of the four interrupt inputs, is provided.  
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 which is passed by the PCA9544A. 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  
pull the bus up to the desired voltage level for each channel. All I/O pins are 5 V tolerant.  
2. Features and benefits  
1-of-4 bidirectional translating multiplexer  
I2C-bus interface logic; compatible with SMBus  
4 active LOW interrupt inputs  
Active LOW interrupt output  
3 address pins allowing up to 8 devices on the I2C-bus  
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  
Three packages offered: SO20, TSSOP20 and HVQFN20  
 
 
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PCA9544ABS,118 替代型号

型号 品牌 替代类型 描述 数据表
PCA9544APW,112 NXP

类似代替

 PCA9544A - 4-channel I2C-bus multiplexer with interrupt logic TSSOP2 20-Pin
PCA9544APW NXP

功能相似

 4-channel IC multiplexer with interrupt logic

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