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MAX7314AEG+ PDF预览

MAX7314AEG+

更新时间： 2024-01-23 14:17:50
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理光电二极管外围集成电路
页数 文件大小 规格书
25页 319K
描述
Parallel I/O Port, 8-Bit, 16 I/O, BICMOS, PDSO24, 0.150 INCH, 0.025 INCH PITCH, MO-137, QSOP-24

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MAX7314AEG+ 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：SSOP
包装说明：SSOP, SSOP24,.24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：1.71JESD-30 代码：R-PDSO-G24
JESD-609代码：e3长度：8.65 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：PLASTIC/EPOXY
封装代码：SSOP封装等效代码：SSOP24,.24
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
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：1.73 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：GULL WING端子节距：0.635 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmuPs/uCs/外围集成电路类型：PARALLEL IO PORT, GENERAL PURPOSE
Base Number Matches：1

MAX7314AEG+ 数据手册

 浏览型号MAX7314AEG+的Datasheet PDF文件第16页浏览型号MAX7314AEG+的Datasheet PDF文件第17页浏览型号MAX7314AEG+的Datasheet PDF文件第18页浏览型号MAX7314AEG+的Datasheet PDF文件第20页浏览型号MAX7314AEG+的Datasheet PDF文件第21页浏览型号MAX7314AEG+的Datasheet PDF文件第22页 
18-Port GPIO with LED Intensity Control,  
Interrupt, and Hot-Insertion Protection  
Table 12. PWM Intensity Settings (Blink Enabled)  
EXAMPLES OF LED BLINK BEHAVIOR  
(LED IS ON WHEN OUTPUT IS LOW)  
PWM DUTY CYCLE  
OUTPUT BLINK  
PHASE X  
PWM DUTY CYCLE  
OUTPUT BLINK  
PHASE X  
OUTPUT  
(OR  
GLOBAL)  
INTENSITY  
SETTING  
BLINK PHASE 0  
REGISTER BIT = 0  
BLINK PHASE 0  
REGISTER BIT = 1  
REGISTER BIT = 0  
REGISTER = 1  
BLINK PHASE 1  
REGISTER BIT = 1  
BLINK PHASE 1  
REGISTER BIT = 0  
LOW  
TIME  
HIGH  
TIME  
LOW  
TIME  
HIGH  
TIME  
0x0  
0x1  
0x2  
0x3  
0x4  
0x5  
0x6  
0x7  
0x8  
0x9  
0xA  
0xB  
0xC  
0xD  
0xE  
1/16  
2/16  
15/16  
14/16  
13/16  
12/16  
11/16  
10/16  
9/16  
15/16  
14/16  
13/16  
12/16  
11/16  
10/16  
9/16  
1/16  
2/16  
3/16  
3/16  
Phase 0: LED on at low intensity  
Phase 1: LED on at high intensity  
Phase 0: LED on at high intensity  
Phase 1: LED on at low intensity  
4/16  
4/16  
5/16  
5/16  
6/16  
6/16  
7/16  
7/16  
8/16  
8/16  
8/16  
8/16  
Output is half intensity during both blink phases  
9/16  
7/16  
7/16  
9/16  
10/16  
11/16  
12/16  
13/16  
14/16  
15/16  
6/16  
6/16  
10/16  
11/16  
12/16  
13/16  
14/16  
15/16  
5/16  
5/16  
Phase 0: LED on at high intensity  
Phase 1: LED on at low intensity  
Phase 0: LED on at low intensity  
Phase 1: LED on at high intensity  
4/16  
4/16  
3/16  
3/16  
2/16  
2/16  
1/16  
1/16  
Static high Static high Phase 0: LED on continuously  
impedance impedance Phase 1: LED off continuously  
Phase 0: LED off continuously  
Phase 1: LED on continuously  
0xF  
Static low Static low  
Driving LED Loads  
When driving LEDs, a resistor in series with the LED  
must be used to limit the LED current to no more than  
50mA. Choose the resistor value according to the fol-  
lowing formula:  
Applications Information  
Hot Insertion  
I/O ports P0–P15, interrupt output INT/O16, RST input,  
BLINK input, and serial interface SDA, SCL, AD0 remain  
high impedance with up to 6V asserted on them when  
the MAX7314 is powered down (V+ = 0V). The MAX7314  
can therefore be used in hot-swap applications.  
R
LED  
= (V  
- V  
- V ) / I  
LED OL LED  
SUPPLY  
where:  
is the resistance of the resistor in series with the  
Output Level Translation  
The open-drain output architecture allows the ports to  
level translate the outputs to higher or lower voltages  
than the MAX7314 supply. An external pullup resistor  
can be used on any output to convert the high-imped-  
ance logic-high condition to a positive voltage level.  
The resistor can be connected to any voltage up to  
5.5V. For interfacing CMOS inputs, a pullup resistor  
value of 220kΩ is a good starting point. Use a lower  
resistance to improve noise immunity, in applications  
where power consumption is less critical, or where a  
faster rise time is needed for a given capacitive load.  
R
LED  
LED (Ω).  
V
V
V
is the supply voltage used to drive the LED (V).  
SUPPLY  
is the forward voltage of the LED (V).  
LED  
is the output low voltage of the MAX7314 when  
OL  
sinking I  
LED  
(V).  
LED  
I
is the desired operating current of the LED (A).  
For example, to operate a 2.2V red LED at 14mA from a  
5V supply, R = (5 - 2.2 - 0.25) / 0.014 = 182Ω.  
LED  
______________________________________________________________________________________ 19  
1...16171819202122...25

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与MAX7314AEG+相关器件

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