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DS1673S-5 PDF预览

DS1673S-5

更新时间: 2024-11-15 22:22:03
品牌 Logo 应用领域
达拉斯 - DALLAS 控制器
页数 文件大小 规格书
20页 218K
描述
Portable System Controller

DS1673S-5 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SOIC-20Reach Compliance Code:unknown
风险等级:5.72其他特性:3-CHANNEL ADC
最大时钟频率:0.032 MHz外部数据总线宽度:1
信息访问方法:SERIAL, 3-WIRE中断能力:Y
JESD-30 代码:R-PDSO-G20JESD-609代码:e0
端子数量:20计时器数量:
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP20,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:5 V
认证状态:Not Qualified子类别:Timer or RTC
最大压摆率:20 mA最大供电电压:5.5 V
最小供电电压:4.5 V标称供电电压:5 V
表面贴装:YES技术:MOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL最短时间:SECONDS
易失性:YESuPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCK
Base Number Matches:1

DS1673S-5 数据手册

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DS1673  
Portable System Controller  
www.dalsemi.com  
FEATURES  
PIN ASSIGNMENT  
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:  
VBAT  
VCCO  
SCLK  
I/O  
1
2
3
4
5
20  
19  
18  
17  
16  
ST  
VCC  
X1  
X2  
CS  
AIN0  
CEI  
CEOL  
CEOH  
INT  
6
15  
14  
13  
12  
11  
AIN1  
AIN2  
RST  
BLE  
BHE  
– Halts microprocessor during power-fail  
– Automatically restarts microprocessor  
after power failure  
– Monitors pushbutton for external override  
– Halts and resets an out of control  
microprocessor  
7
8
9
GND  
10  
20-Pin TSSOP  
20-Pin SOIC  
NV RAM control:  
– Automatic battery backup and write  
protection to external SRAM  
3-channel, 8-bit analog-to-digital converter  
Simple 3-wire interface  
+3.0 or +5.0V operation  
ORDERING INFORMATION  
DS1673E - X  
DS1673S - X  
20-Pin TSSOP  
20-Pin SOIC  
3 +3V operation  
5 +5V operation  
DESCRIPTION  
The Portable System Controller is a circuit which incorporates many of the functions necessary for low  
power portable products integrated into one chip. The DS1673 provides a Real Time Clock, NV RAM  
controller, microprocessor monitor, and a 3-channel, 8-bit analog-to-digital converter. Communication  
with the DS1673 is established through a simple 3-wire interface.  
The Real Time Clock (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.  
1 of 20  
050200  

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