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MC33884DWR2

更新时间： 2024-11-22 22:54:59
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 显示器驱动程序和接口接口集成电路光电二极管监视器
页数 文件大小 规格书
21页 238K
描述
SWITCH MONITOR INTERFACE

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中文翻译

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MC33884DWR2 技术参数

生命周期：Transferred零件包装代码：SOIC
包装说明：SOP,针数：24
Reach Compliance Code：unknown风险等级：5.14
Is Samacsys：N接口集成电路类型：INTERFACE CIRCUIT
JESD-30 代码：R-PDSO-G24长度：15.4 mm
功能数量：1端子数量：24
最高工作温度：105 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：NOT SPECIFIED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：4.75 V标称供电电压：5 V
电源电压1-最大：26 V电源电压1-分钟：7 V
电源电压1-Nom：13 V表面贴装：YES
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.5 mm
Base Number Matches：1

MC33884DWR2 数据手册

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Order this document  
by MC33884/D  
SEMICONDUCTOR TECHNICAL DATA  
The MC33884 Switch Monitor Interface is a monolithic silicon  
integrated circuit (IC) that performs switch monitoring functions.  
The device provides efficient interface between electrical switches  
and low voltage microprocessors. The MC33884 supplies switch  
contact pull–up and pull–down current while monitoring the input  
voltage level. All inputs are protected for transients when  
implemented with an appropriate static discharge capacitor used  
on the inputs.  
SCALE 1:1  
There are four modes of operation – Sleep, Normal, Polling, and  
Polling + INT Timer. Sleep mode reduces the current drain to a  
quiescent current level of 10 A and disables the IC. Normal mode  
interrupts the microprocessor whenever any external switch  
changes it’s OPEN or CLOSED state. Polling mode reads a switch  
status periodically and interrupts the microprocessor only when an  
external switch is sensed as being CLOSED. The Polling + INT  
Timer mode is similar to the Polling mode, with the addition of an  
interrupt being sent to the microprocessor if a switch is sensed  
CLOSED or upon the internal interrupt timer ”timing out”. An  
interrupt is always ultimately sent to the microprocessor in this  
mode. All modes of operation are easily programmed via the Serial  
Peripheral Interface (SPI) control.  
DW Suffix  
24 Lead SOIC  
CASE 751E  
PIN CONNECTIONS  
1
2
VDD  
SO  
SI  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
SCLK  
CSB  
VBG  
SP4  
SG6  
SG5  
SG4  
SB2  
SP3  
3
4
SP1  
SG1  
SG2  
SG3  
SB1  
5
6
7
The MC33884 has the following features:  
8
SP2  
9
• Full Operation with 7.0 V ≤ V  
Limited Operation with 5.5 V ≤ V  
• Input Voltage Range: –14 V to 40 V  
≤ 26 V,  
≤ 7.0 V  
PWR  
MASL  
VPWR  
GND  
10  
11  
12  
INTB  
SYNC  
RSTB  
PWR  
• Interfaces Directly to Microprocessors Using SPI Protocol  
• 24–Lead Wide Body SOIC Package  
• Wake–up on Change of Monitored Switch Status  
• Programmable Wetting Current  
• 4 Programmable Inputs to Monitor 4 Switch–to–Battery or  
4 Switch–to–Ground Switches  
ORDERING INFORMATION  
Operating  
Temperature  
• 6 (fixed function) Inputs to Monitor 6 Switch–to–Ground Switches  
• 2 (fixed function) Inputs to Monitor 2 Switch–to–Battery Switches  
• Standby Current During Normal Mode = 100 A  
• Quiescent Current in Sleep Mode < 10 A  
• Reset (RST) Input Defaults the Device to Sleep Mode  
• Active Interrupt (INT) on Change of Switch State in Normal Mode  
• 4 Modes of Operation  
Device  
Package  
Range  
T
A
= – 40 to  
105°C  
MC33884DW  
SO–24  
SO–24  
T
A
= – 40 to  
105°C  
MC33884DWR2  
(Sleep, Normal, Polling, Polling + INT Timer)  
• Designed to Operate –40°C ≤ T ≤ 105°C  
A
This document contains information on a new product. Specifications and information herein are subject to change without notice.  
REV 2  
09/01  
Motorola, Inc. 2001  
1234567...21

中文翻译

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