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PCA9546APW PDF预览

PCA9546APW

更新时间: 2024-09-17 21:55:43
品牌 Logo 应用领域
恩智浦 - NXP 解复用器开关逻辑集成电路光电二极管
页数 文件大小 规格书
25页 141K
描述
4-channel I2C switch with reset

PCA9546APW 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP,针数:16
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.17其他特性:ALSO OPERATES AT 4.5V TO 5.5V SUPPLY
系列:9546JESD-30 代码:R-PDSO-G16
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:4
输出次数:1端子数量:16
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:TSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH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:1.1 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:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:4.4 mm
Base Number Matches:1

PCA9546APW 数据手册

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PCA9546A  
4-channel I2C switch with reset  
Rev. 03 — 6 April 2005  
Product data sheet  
1. General description  
The PCA9546A is a quad bi-directional translating switch controlled via the I2C-bus. The  
SCL/SDA upstream pair fans out to four downstream pairs, or channels. Any individual  
SCx/SDx channel or combination of channels can be selected, determined by the  
contents of the programmable control register.  
An active LOW reset input allows the PCA9546A to recover from a situation where one of  
the downstream I2C-buses is stuck in a LOW state. Pulling the RESET pin LOW resets the  
I2C-bus state machine and causes all the channels to be deselected as does the internal  
Power-On Reset (POR) function.  
The pass gates of the switches are constructed such that the VDD pin can be used to limit  
the maximum high voltage which will be passed by the PCA9546A. This allows the use of  
different bus voltages on each pair, so that 1.8 V or 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  
1-of-4 bi-directional translating switches  
I2C-bus interface logic; compatible with SMBus standards  
Active LOW reset input  
3 address pins allowing up to 8 devices on the I2C-bus  
Channel selection via I2C-bus, in any combination  
Power-up with all switch 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 stand-by current  
Operating power supply voltage range of 2.3 V to 5.5 V  
5 V tolerant Inputs  
0 kHz 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  
Three packages offered: SO16, TSSOP16, and HVQFN16  

PCA9546APW 替代型号

型号 品牌 替代类型 描述 数据表
PCA9546APW,118 NXP

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