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MC33993

更新时间: 2024-02-21 17:41:00
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 开关
页数 文件大小 规格书
28页 800K
描述
Multiple Switch Detection Interface

MC33993 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Transferred零件包装代码:SOIC
包装说明:SSOP,针数:32
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:5.35
接口集成电路类型:INTERFACE CIRCUITJESD-30 代码:R-PDSO-G32
JESD-609代码:e0长度:11 mm
湿度敏感等级:1功能数量:1
端子数量:32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封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):220
认证状态:Not Qualified座面最大高度:2.65 mm
最大供电电压:5.25 V最小供电电压:3.1 V
标称供电电压:3.3 V电源电压1-最大:26 V
电源电压1-分钟:8 V电源电压1-Nom:13 V
表面贴装:YES温度等级:AUTOMOTIVE
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:7.5 mm

MC33993 数据手册

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MOTOROLA  
Document order number: MC33993/D  
Rev 2.0, 07/2003  
SEMICONDUCTOR TECHNICAL DATA  
Advance Information  
33993  
Multiple Switch Detection Interface  
The 33993 Multiple Switch Detection Interface is designed to detect the  
closing and opening of up to 22 switch contacts. The switch status, either open  
or closed, is transferred to the microprocessor unit (MCU) through a serial  
peripheral interface (SPI). The device also features a 22-to-1 analog multiplexer  
for reading inputs as analog. The analog input signal is buffered and provided on  
the AMUX output pin for the MCU to read.  
MULTIPLE SWITCH  
DETECTION INTERFACE  
The 33993 device has two modes of operation, Sleep and Normal. The Sleep  
mode provides low quiescent current and enables the wake-up features of the  
device. Normal mode allows programming of the device and supplies switch  
contacts with pull-up or pull-down current as it monitors switch change of state.  
The 33993 is packaged in the 32-pin wide-body SOIC, reducing circuit board  
area. Low quiescent current makes the 33993 ideal for automotive and industrial  
products requiring low sleep state currents. The internal block diagram of the  
33993 is illustrated in Figure 1, page 2.  
Features  
DWB SUFFIX  
CASE 1324  
• Designed to Operate 5.5 V VPWR 26 V  
• Switch Input Voltage Range -14 V to VPWR, 40 V Max  
32-LEAD SOICW  
• Interfaces Directly to Microprocessor Using 3.3 V/5.0 V SPI Protocol  
• Selectable Wake-Up on Change of State  
ORDERING INFORMATION  
Temperature  
• Selectable Wetting Current (16 mA or 2.0 mA)  
Device  
Package  
• 8 Programmable Inputs (Switches to Battery or Ground)  
• 14 Switch-to-Ground Inputs  
• VPWR Standby Current 100 µA Typical, VDD Standby Current 20 µA Typical  
Range (T )  
A
MC33993DWB/R2  
32 SOICW  
-40°C to 125°C  
• Active Interrupt (INT) on Change-of-Switch State  
33993 Simplified Application Diagram  
VDD  
Power Supply  
LVI  
VBAT  
VBAT  
33993  
MCU  
Enable  
Watchdog  
Reset  
SP0  
SP1  
VPWR  
VDD  
VBAT  
VDD  
SP7  
WAKE  
SI  
MOSI  
SCLK  
CS  
MISO  
INT  
SCLK  
CS  
SG0  
SG1  
SO  
INT  
AMUX  
AN0  
SG12  
SG13  
GND  
This document contains certain information on a new product.  
Specifications and information herein are subject to change without notice.  
© Motorola, Inc. 2003  

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