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MAX7318AUG

更新时间: 2024-01-24 23:37:55
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
16页 313K
描述
2-Wire-Interfaced, 16-Bit, I/O Port Expander with Interrupt and Hot-Insertion Protection

MAX7318AUG 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP24,.4针数:24
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.8
JESD-30 代码:R-PDSO-G24JESD-609代码:e0
长度:15.4 mm湿度敏感等级:1
位数:16I/O 线路数量:16
端口数量:1端子数量:24
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP24,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):240
电源:2/5.5 V认证状态:Not Qualified
座面最大高度:2.65 mm子类别:Parallel IO Port
最大供电电压:5.5 V最小供电电压:2 V
标称供电电压:3.3 V表面贴装:YES
技术:BICMOS温度等级:AUTOMOTIVE
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.5 mm
uPs/uCs/外围集成电路类型:PARALLEL IO PORT, GENERAL PURPOSEBase Number Matches:1

MAX7318AUG 数据手册

 浏览型号MAX7318AUG的Datasheet PDF文件第3页浏览型号MAX7318AUG的Datasheet PDF文件第4页浏览型号MAX7318AUG的Datasheet PDF文件第5页浏览型号MAX7318AUG的Datasheet PDF文件第7页浏览型号MAX7318AUG的Datasheet PDF文件第8页浏览型号MAX7318AUG的Datasheet PDF文件第9页 
2-Wire-Interfaced, 16-Bit, I/O Port Expander  
with Interrupt and Hot-Insertion Protection  
I/O0  
I/O1  
I/O2  
I/O3  
I/O4  
I/O5  
I/O6  
I/O7  
AD0  
AD1  
AD2  
8 BIT  
INPUT/OUTPUT  
PORT 1  
WRITE PULSE  
READ PULSE  
SMBus  
CONTROL  
SCL  
SDA  
INPUT  
FILTER  
I/O8  
I/O9  
8 BIT  
I/O10  
I/O11  
I/O12  
I/O13  
I/O14  
I/O15  
INPUT/OUTPUT  
PORT 2  
N
WRITE PULSE  
READ PULSE  
V+  
INT  
POWER-ON  
RESET  
MAX7318  
GND  
Figure 1. MAX7318 Block Diagram  
SDA  
t
BUF  
t
t
SU, STA  
SU, DAT  
t
HD, STA  
t
LOW  
t
t
SU, STO  
HD, DAT  
SCL  
t
HIGH  
t
HD, STA  
t
R
t
F
REPEATED START CONDITION  
START CONDITION  
STOP CONDITION START CONDITION  
Figure 2. 2-Wire Serial Interface Timing Diagram  
Detailed Description  
Serial Interface  
The MAX7318 general-purpose input/output (GPIO)  
peripheral provides up to 16 I/O ports, controlled  
through an I2C-compatible serial interface. The  
MAX7318 consists of input port registers, output port  
registers, polarity inversion registers, and configuration  
registers. Upon power-on, all I/O lines are set as inputs.  
Three slave ID address select pins, AD0, AD1, and  
AD2, choose one of 64 slave ID addresses, including  
the eight addresses supported by the Phillips PCA9555.  
Table 1 is the register address table. Tables 2–5 show  
detailed register information.  
Serial Addressing  
The MAX7318 operates as a slave that sends and  
receives data through a 2-wire interface. The interface  
uses a serial data line (SDA) and a serial clock line  
(SCL) to achieve bidirectional communication between  
master(s) and slave(s). A master, typically a microcon-  
troller, initiates all data transfers to and from the  
MAX7318, and generates the SCL clock that synchro-  
nizes the data transfer (Figure 2).  
6
_______________________________________________________________________________________  

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