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MAX7314ATG+T PDF预览

MAX7314ATG+T

更新时间: 2024-02-27 18:24:06
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理外围集成电路
页数 文件大小 规格书
25页 319K
描述
Parallel I/O Port, 8-Bit, 16 I/O, BICMOS, 4 X 4 MM, 0.80 MM HEIGHT, MO-220WGGD2, TQFN-24

MAX7314ATG+T 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:QFN
包装说明:VQCCN, LCC24,.16SQ,20针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:5.33JESD-30 代码:S-XQCC-N24
JESD-609代码:e3长度:4 mm
湿度敏感等级:1位数:8
I/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:UNSPECIFIED
封装代码:VQCCN封装等效代码:LCC24,.16SQ,20
封装形状:SQUARE封装形式:CHIP CARRIER, VERY THIN PROFILE
峰值回流温度(摄氏度):260电源:2.5/3.3 V
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Parallel IO Port最大供电电压:3.6 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:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4 mmuPs/uCs/外围集成电路类型:PARALLEL IO PORT, GENERAL PURPOSE
Base Number Matches:1

MAX7314ATG+T 数据手册

 浏览型号MAX7314ATG+T的Datasheet PDF文件第19页浏览型号MAX7314ATG+T的Datasheet PDF文件第20页浏览型号MAX7314ATG+T的Datasheet PDF文件第21页浏览型号MAX7314ATG+T的Datasheet PDF文件第23页浏览型号MAX7314ATG+T的Datasheet PDF文件第24页浏览型号MAX7314ATG+T的Datasheet PDF文件第25页 
18-Port GPIO with LED Intensity Control,  
Interrupt, and Hot-Insertion Protection  
Table 14. Output Intensity Registers (continued)  
ADDRESS  
CODE  
(hex)  
REGISTER DATA  
REGISTER  
R/W  
D7  
D6  
D5  
D4  
D3  
D2  
D1  
D0  
MSB  
LSB  
MSB  
LSB  
OUTPUTS P9, P8 INTENSITY  
OUTPUT P9 INTENSITY  
OUTPUT P8 INTENSITY  
0x14  
0x15  
0x16  
0x17  
Write output P9, P8 intensity  
0
1
P9I3  
P9I2  
P9I1  
P9I0  
P8I3  
P8I2  
P8I1  
P8I0  
Read back output P9, P8 intensity  
MSB  
LSB  
MSB  
LSB  
OUTPUTS P11, P10 INTENSITY  
OUTPUT P11 INTENSITY  
OUTPUT P10 INTENSITY  
Write output P11, P10 intensity  
0
1
P11I3 P11I2 P11I1 P11I0 P10I3 P10I2 P10I1 P10I0  
Read back output P11, P10 intensity  
MSB  
LSB  
MSB  
LSB  
OUTPUTS P13, P12 INTENSITY  
OUTPUT P13 INTENSITY  
OUTPUT P12 INTENSITY  
Write output P13, P12 intensity  
0
1
P13I3 P13I2 P13I1 P13I0 P12I3 P12I2 P12I1 P12I0  
Read back output P13, P12 intensity  
MSB  
LSB  
MSB  
LSB  
OUTPUTS P15, P14 INTENSITY  
OUTPUT P15 INTENSITY  
OUTPUT P14 INTENSITY  
Write output P15, P14 intensity  
0
1
P15I3 P15I2 P15I1 P15I0 P14I3 P14I2 P14I1 P14I0  
See master, O16 intensity register (Table 13).  
Read back output P15, P14 intensity  
OUTPUT O16 INTENSITY  
The MAX7314 must be protected from the negative  
voltage transient generated when switching off induc-  
tive loads, such as relays, by connecting a reverse-  
biased diode across the inductive load (Figure 19). The  
peak current through the diode is the inductive load’s  
operating current.  
Driving Load Currents Higher than 50mA  
The MAX7314 can be used to drive loads drawing more  
than 50mA, like relays and high-current white LEDs, by  
paralleling outputs. Use at least one output per 50mA of  
load current; for example, a 5V 330mW relay draws  
66mA and needs two paralleled outputs to drive it.  
Ensure that the paralleled outputs chosen are controlled  
by the same blink phase register, i.e., select outputs  
from the P0 through P7 range, or the P8 through P15  
range. This way, the paralleled outputs are turned on  
and off together. Do not use output O16 as part of a  
load-sharing design. O16 cannot be switched at the  
same time as any of the other outputs because it is con-  
trolled by a different register.  
Power-Supply Considerations  
The MAX7314 operates with a power-supply voltage of  
2V to 3.6V. Bypass the power supply to GND with at  
least 0.047µF as close to the device as possible. For  
the QFN version, connect the underside exposed pad  
to GND.  
22 ______________________________________________________________________________________  

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