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MAX7359ETG+

更新时间： 2024-11-09 04:41:43
品牌 Logo 应用领域
美信 - MAXIM 开关控制器
页数 文件大小 规格书
22页 247K
描述
2-Wire Interfaced Low-EMI Key Switch Controller/GPO

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MAX7359ETG+ 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：HVQCCN, LCC24,.13SQ,16针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01Factory Lead Time：6 weeks
风险等级：2.36Samacsys Description：MAX7359ETG+, IPC Intelligent Peripheral Controller 1.62 → 3.6 V 24-Pin TQFN
JESD-30 代码：S-XQCC-N24JESD-609代码：e3
长度：3.5 mm湿度敏感等级：1
端子数量：24最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC24,.13SQ,16
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：1.8/3.3 V
认证状态：Not Qualified座面最大高度：0.85 mm
子类别：Parallel IO Port最大压摆率：0.06 mA
最大供电电压：3.6 V最小供电电压：1.62 V
标称供电电压：2.5 V表面贴装：YES
技术：BICMOS温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.4 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.5 mm
uPs/uCs/外围集成电路类型：MICROPROCESSOR CIRCUIT

MAX7359ETG+ 数据手册

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19-0850; Rev 0; 7/07  
2-Wire Interfaced Low-EMI  
Key Switch Controller/GPO  
MAX7359  
General Description  
Features  
The MAX7359 I2C interfaced peripheral provides micro-  
processors with management of up to 64 key switches.  
Key codes are generated for each press and release of  
a key for easier implementation of multiple key entries.  
Key inputs are monitored statically, not dynamically, to  
ensure low-EMI operation. The switches can be metallic  
or resistive (carbon) with up to 5kΩ of resistance.  
♦ Optional Key Release Detection on All Keys  
♦ Monitor Up to 64 Keys  
♦ 1.62V to 3.6V Operation  
♦ Autosleep and Autowake to Minimize Current  
Consumption  
The MAX7359 features autosleep and autowake to fur-  
ther minimize the power consumption of the device.  
The autosleep feature puts the device in a low-power  
state (1µA typ) after a sleep timeout period. The  
autowake feature configures the MAX7359 to return to  
normal operating mode from sleep upon a key press.  
♦ Under 1µA Sleep Current  
♦ FIFO Queues Up to 16 Debounced Key Events  
♦ Key Debounce Time User Configurable from 9ms  
to 40ms  
♦ Low-EMI Design Uses Static Matrix Monitoring  
The key controller debounces and maintains a FIFO of  
key-press and release events (including autorepeat, if  
enabled). An interrupt (INT) output can be configured to  
alert key presses either as they occur, or at maximum rate.  
♦ Hardware Interrupt at the FIFO Level or at the End  
of Definable Time Period  
♦ Up to Seven Open-Drain Logic Outputs Available  
Any of the column drivers (COL2/PORT2–COL7/PORT7)  
or the INT, if not used, can function as a general-pur-  
pose output (GPO).  
Capable of Driving LEDs  
♦ 400kbps, 5.5V-Tolerant, 2-Wire Serial Interface  
♦ Selectable 2-Wire, Serial-Bus Timeout  
♦ Four I2C Address Choices  
♦ Small, 24-Pin TQFN Package (3.5mm x 3.5mm)  
Ordering Information  
The MAX7359 is offered in a small 24-pin TQFN (3.5mm x  
3.5mm) package for cell phones, pocket PCs, and other  
portable consumer electronic applications. The MAX7359  
operates over the -40°C to +85°C temperature range.  
Applications  
Cell Phones  
TEMP  
RANGE  
PKG  
CODE  
PART  
PIN-PACKAGE  
PDAs  
Handheld Games  
Portable Consumer Electronics  
-40°C to  
+85°C  
24 TQFN-EP*  
(3.5mm x 3.5mm)  
MAX7359ETG+  
T243A3-1  
+Denotes a lead-free package.  
*EP = Exposed paddle.  
Typical Application Circuit  
INPUT  
1.62V TO 3.6V  
8
8
MAX7359  
V
CC  
COL_  
SWITCH  
ARRAY,  
UP TO 64  
SWITCHES  
ROW_  
SCL  
SDA  
INT  
AD0  
GND  
Pin Configuration appears at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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