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MC33975EK/R2 PDF预览

MC33975EK/R2

更新时间： 2024-09-27 14:43:27
品牌 Logo 应用领域
恩智浦 - NXP 光电二极管接口集成电路
页数 文件大小 规格书
32页 972K
描述
SPECIALTY INTERFACE CIRCUIT, PDSO32, 5.70 X 4.60 MM, 0.65 MM PITCH, LEAD FREE, SOIC-32

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MC33975EK/R2 技术参数

生命周期：Obsolete零件包装代码：SOIC
包装说明：5.70 X 4.60 MM, 0.65 MM PITCH, LEAD FREE, SOIC-32针数：32
Reach Compliance Code：unknown风险等级：5.6
接口集成电路类型：INTERFACE CIRCUITJESD-30 代码：R-PDSO-G32
长度：11 mm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认证状态：Not Qualified
座面最大高度：2.65 mm最大供电电压：5.5 V
最小供电电压：3 V表面贴装：YES
温度等级：AUTOMOTIVE端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
宽度：7.5 mmBase Number Matches：1

MC33975EK/R2 数据手册

 浏览型号MC33975EK/R2的Datasheet PDF文件第2页浏览型号MC33975EK/R2的Datasheet PDF文件第3页浏览型号MC33975EK/R2的Datasheet PDF文件第4页浏览型号MC33975EK/R2的Datasheet PDF文件第5页浏览型号MC33975EK/R2的Datasheet PDF文件第6页浏览型号MC33975EK/R2的Datasheet PDF文件第7页 
Document Number: MC33975  
Rev 7.0, 2/2008  
Freescale Semiconductor  
Advance Information  
Multiple Switch Detection  
Interface with Suppressed  
Wake-up and 32mA Wetting  
Current  
33975  
33975A  
MULTIPLE SWITCH  
DETECTION INTERFACE WITH  
SUPPRESSED WAKE-UP  
The 33975 Multiple Switch Detection Interface with Suppressed  
Wake-up 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 33975 device has two modes of operation, Normal and Sleep.  
Normal Mode allows programming of the device and supplies switch  
contacts with pull-up or pull-down current as it monitors the switch  
change of state. The Sleep Mode provides low quiescent current,  
which makes the 33975 ideal for automotive and industrial products  
requiring low sleep state currents.  
Improvements are a programmable interrupt timer for Sleep Mode  
that can be disabled, switch detection currents of 32mA and 4.0mA for  
switch-to-ground inputs, and an interrupt bit that can be reset.  
EK SUFFIX (PB-FREE)  
98ASA10556D  
32-PIN SOICW EP  
Features  
• Designed to operate from 5.5V ≤ VPWR ≤ 28V  
• Switch input voltage range -14V to VPWR  
• Interfaces to microprocessor using 3.3V/5.0V SPI protocol  
• Selectable wake-up on change of state  
• 14 switch-to-ground inputs  
• 8 programmable inputs (switches to battery or ground)  
• Selectable wetting current (32mA or 4.0mA for switch-to-ground  
inputs)  
ORDERING INFORMATION  
Temperature  
Device  
Package  
Range (T )  
A
MC33975EK/R2  
MCZ33975EK/R2  
MCZ33975AEK/R2  
-40°C to 125°C  
32 SOICW-EP  
• VPWR standby current 100µA typical, VDD standby current 20µA  
typical  
• Pb-free packaging designated by suffix code EK  
VDD  
POWER SUPPLY  
LVI  
VBAT  
VBAT  
33975  
SP0  
SP1  
VPWR  
VDD  
VBAT  
ENABLE  
VDD  
SP7  
WAKE  
SG0  
SG1  
MCU  
SI  
SCLK  
CS  
MOSI  
WATCHDOG  
RESET  
SCLK  
CS  
SG12  
SG13  
SO  
MISO  
INT  
INT  
AMUX  
AN0  
GND  
Figure 1. 33975 Simplified Application Diagram  
* This document contains certain information on a new product.  
Specifications and information herein are subject to change without notice.  
© Freescale Semiconductor, Inc., 2005 - 2007. All rights reserved.  
1234567...32

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