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MAX7314ATG PDF预览

MAX7314ATG

更新时间: 2024-01-10 03:42:36
品牌 Logo 应用领域
美信 - MAXIM 并行IO端口微控制器和处理器外围集成电路信息通信管理
页数 文件大小 规格书
25页 403K
描述
18-Port GPIO with LED Intensity Control, Interrupt, and Hot-Insertion Protection

MAX7314ATG 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:QFN
包装说明:4 X 4 MM, 0.80 MM HEIGHT, MO-220WGGD2, TQFN-24针数:24
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.36
Is Samacsys:NJESD-30 代码:S-XQCC-N24
JESD-609代码:e0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):245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:Tin/Lead (Sn/Pb)
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 数据手册

 浏览型号MAX7314ATG的Datasheet PDF文件第2页浏览型号MAX7314ATG的Datasheet PDF文件第3页浏览型号MAX7314ATG的Datasheet PDF文件第4页浏览型号MAX7314ATG的Datasheet PDF文件第5页浏览型号MAX7314ATG的Datasheet PDF文件第6页浏览型号MAX7314ATG的Datasheet PDF文件第7页 
19-3170; Rev 4; 4/05  
18-Port GPIO with LED Intensity Control,  
Interrupt, and Hot-Insertion Protection  
General Description  
Features  
The MAX7314 I2C™-compatible serial interfaced periph-  
eral provides microprocessors with 16 I/O ports plus one  
output-only port and one input-only port. Each I/O port  
can be individually configured as either an open-drain  
current-sinking output rated at 50mA and 5.5V, or a logic  
input with transition detection. The output-only port can  
be assigned as an interrupt output for transition detec-  
tion. The outputs are capable of driving LEDs, or provid-  
ing logic outputs with external resistive pullup up to 5.5V.  
400kbps, 2-Wire Serial Interface, 5.5V Tolerant  
2V to 3.6V Operation  
Overall 8-Bit PWM LED Intensity Control  
Global 16-Step Intensity Control  
Individual 16-Step Intensity Controls  
2-Phase LED Blinking  
50mA Maximum Port Output Current  
Supports Hot Insertion  
Eight-bit PWM current control is built in for all 17 output  
ports. A 4-bit global control applies to all LED outputs  
and provides coarse adjustment of current from fully off  
to fully on with 14 intensity steps in between. Each out-  
put has an individual 4-bit control, which further divides  
the globally set current into 16 more steps.  
Alternatively, the current control can be configured as a  
single 8-bit control that sets all outputs at once.  
Outputs are 5.5V-Rated Open Drain  
Inputs are Overvoltage Protected to 5.5V  
Transition Detection with Interrupt Output  
1.2µA (typ), 3.6µA (max) Operating Current  
Small 4mm x 4mm, Thin QFN Package  
-40°C to +125°C Temperature Range  
Each output has independent blink timing with two blink  
phases. All LEDs can be individually set to be on or off  
during either blink phase, or to ignore the blink control.  
The blink period is controlled by a clock input (up to 1kHz)  
on BLINK or by a register. The BLINK input can also be  
used as a logic control to turn the LEDs on and off, or as a  
general-purpose input.  
Ordering Information  
PIN-  
PACKAGE  
PKG  
CODE  
PART  
TEMP RANGE  
24 Thin QFN  
MAX7314ATG -40°C to +125°C 4mm x 4mm T2444-4  
x 0.8mm  
The MAX7314 supports hot insertion. All port pins, the  
INT output, SDA, SCL, RST, BLINK, and the slave  
address input ADO remain high impedance in power-  
down (V+ = 0V) with up to 6V asserted upon them.  
MAX7314AEG -40°C to +125°C 24 QSOP  
Typical Application Circuit  
The MAX7314 is controlled through a 2-wire serial inter-  
face, and uses four-level logic to allow four I2C  
addresses from only one select pin.  
5V  
Applications  
3.3V  
LCD Backlights  
0.047µF  
LED Status Indication  
Relay Drivers  
V+  
SDA  
P0  
P1  
µC  
SDA  
SCL  
I/O  
P2  
MAX7314  
SCL  
P3  
Keypad Backlights  
RGB LED Drivers  
System I/O Ports  
BLINK  
RST  
P4  
I/O  
INT  
P5  
INT/O16  
P6  
P7  
P8  
AD0  
P9  
INPUT 1  
INPUT 2  
INPUT 3  
INPUT 4  
INPUT 5  
Pin Configurations continued at end of data sheet.  
P10  
P11  
P12  
P13  
P14  
P15  
2
I C is a trademark of Philips Corp.  
3.3V  
5V  
2
Purchase of I C components from Maxim Integrated Products,  
GND  
Inc., or one of its sublicensed Associated Companies, conveys a  
OUTPUT  
OUTPUT  
2
license under the Philips I C Patent Rights to use these compo-  
2
nents in an I C system, provided that the system conforms to the  
2
I C Standard Specification as defined by Philips.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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