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DS1673S3 PDF预览

DS1673S3

更新时间： 2024-11-16 20:52:47
品牌 Logo 应用领域
美信 - MAXIM 光电二极管外围集成电路
页数 文件大小 规格书
18页 216K
描述
0 TIMER(S), REAL TIME CLOCK, PDSO20, 0.300 INCH, SOIC-20

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中文翻译

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DS1673S3 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：,针数：20
Reach Compliance Code：compliant风险等级：5.16
信息访问方法：SERIAL, 3-WIREJESD-30 代码：R-PDSO-G20
端子数量：20计时器数量：
封装主体材料：PLASTIC/EPOXY封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
标称供电电压：3 V表面贴装：YES
端子形式：GULL WING端子位置：DUAL
uPs/uCs/外围集成电路类型：TIMER, REAL TIME CLOCKBase Number Matches：1

DS1673S3 数据手册

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DS1673  
Portable System Controller  
www.maxim-ic.com  
GENERAL DESCRIPTION  
FEATURES  
The DS1673 portable system controller is a circuit  
that incorporates many of the functions necessary for  
low-power portable products integrated into one chip.  
The device provides a real-time clock (RTC), NV  
RAM controller, microprocessor monitor, and a  
3-channel, 8-bit analog-to-digital converter (ADC).  
Communication with the DS1673 is established  
through a simple 3-wire interface.  
.
.
.
Provides Real-Time Clock  
Counts Seconds, Minutes, Hours, Date of the  
Month, Month, Day of the Week, and Year  
with Leap Year Compensation Valid Up to  
2100  
Power-Control Circuitry Supports System  
Power-On from Day/Time Alarm  
Microprocessor Monitor  
Halts Microprocessor During Power Fail  
Automatically Restarts Microprocessor after  
Power Failure  
Monitors Pushbutton for External Override  
Halts and Resets an Out-of-Control  
Microprocessor  
The RTC provides seconds, minutes, hours, day,  
date, month, and year information with leap year  
compensation. The RTC also provides an alarm  
interrupt. This interrupt works when the DS1673 is  
powered by the system power supply or when in  
battery-backup operation, so the alarm can be used to  
wake up a system that is powered down.  
NV RAM Control  
Automatic Battery Backup and Write Protection  
to External SRAM  
Automatic backup and write protection of an external  
SRAM is provided through the VCCO, CEOL, and  
CEOH pins. The backup energy source used to power  
the RTC is also used to retain RAM data in the  
absence of VCC through the VCCO pin. The chip-  
enable outputs to RAM (CEOL and CEOH) are  
controlled during power transients to prevent data  
corruption.  
.
.
.
3-Channel, 8-Bit ADC  
Simple 3-Wire Interface  
+3.0V or +5.0V Operation  
PIN CONFIGURATION  
TOP VIEW  
VBAT  
1
ST  
20  
19  
18  
17  
16  
DS1673  
2
VCCO  
VCC  
ORDERING INFORMATION  
SCLK  
I/O  
3
4
5
6
X1  
VOLTAGE PIN-  
PART*  
TOP MARK†  
X2  
(V)  
3.0  
3.0  
5.0  
PACKAGE  
20 TSSOP  
20 TSSOP  
20 TSSOP  
AIN0  
CS  
DS1673E-3  
DS1673E-3+  
DS1673E-5  
DS1673E-3/  
T&R  
DS1673E-3+  
T&R  
DS1673-3  
DS1673-3  
DS1673-5  
AIN1  
15  
14  
CEI  
CEOL  
CEOH  
INT  
7
AIN2  
RST  
8
9
13  
12  
3.0  
3.0  
5.0  
20 TSSOP  
20 TSSOP  
20 TSSOP  
DS1673-3  
DS1673-3  
DS1673-5  
BLE  
BHE  
11  
GND  
10  
DS1673E-5/  
T&R  
TSSOP (4.4mm)  
SO (300 mils)  
DS1673S-3  
DS1673S-5  
3.0  
5.0  
20 SO  
20 SO  
DS1673S-3  
DS1673S-5  
* All devices are specified over the 0°C to +70°C operating range.  
† A “‘+” anywhere on the top mark denotes a lead-free device.  
+ Denotes a lead(Pb)-free/RoHS-compliant device.  
1 of 18  
REV: 080805  
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与DS1673S3相关器件

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