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MAX7318AUG

更新时间: 2024-02-19 09:29:24
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6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页浏览型号MAX7318AUG的Datasheet PDF文件第10页 
2-Wire-Interfaced, 16-Bit, I/O Port Expander  
with Interrupt and Hot-Insertion Protection  
SDA  
S
P
SCL  
START  
STOP  
CONDITION  
CONDITION  
Figure 3. START and STOP Conditions  
SDA  
SCL  
DATA LINE STABLE; DATA VALID CHANGE OF DATA ALLOWED  
Figure 4. Bit Transfer  
START CONDITION  
SCL  
CLOCK PULSE FOR ACKNOWLEDGMENT  
1
2
8
9
SDA  
BY TRANSMITTER  
S
SDA  
BY RECEIVER  
Figure 5. Acknowledge  
Each transmission consists of a START condition sent by  
a master, followed by the MAX7318 7-bit slave address  
plus R/W bit, a register address byte, 1 or more data  
bytes, and finally a STOP condition (Figure 3).  
Bit Transfer  
One data bit is transferred during each clock pulse.  
The data on SDA must remain stable while SCL is high  
(Figure 4).  
START and STOP Conditions  
Both SCL and SDA remain high when the interface is  
not busy. A master signals the beginning of a transmis-  
sion with a START (S) condition by transitioning SDA  
from high to low while SCL is high. When the master  
has finished communicating with the slave, it issues a  
STOP (P) condition by transitioning SDA from low to  
high while SCL is high. The bus is then free for another  
transmission (Figure 3).  
Acknowledge  
The acknowledge bit is a clocked 9th bit, which the  
recipient uses as a handshake receipt of each byte of  
data (Figure 5). Thus, each byte transferred effectively  
requires 9 bits. The master generates the 9th clock  
pulse, and the recipient pulls down SDA during the  
acknowledge clock pulse, such that the SDA line is sta-  
ble low during the high period of the clock pulse. When  
the master is transmitting to the MAX7318, the MAX7318  
_______________________________________________________________________________________  
7

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