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DS17285SN-3 PDF预览

DS17285SN-3

更新时间: 2024-11-16 22:18:51
品牌 Logo 应用领域
达拉斯 - DALLAS 计时器或实时时钟微控制器和处理器外围集成电路光电二极管
页数 文件大小 规格书
38页 408K
描述
3V/5V Real-Time Clock

DS17285SN-3 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SOIC-24Reach Compliance Code:unknown
风险等级:5.7Is Samacsys:N
最大时钟频率:2.8 MHz外部数据总线宽度:8
信息访问方法:PARALLEL, MUXED BUS中断能力:Y
JESD-30 代码:R-PDSO-G24JESD-609代码:e0
端子数量:24计时器数量:1
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP24,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:3 V
认证状态:Not Qualified子类别:Timer or RTC
最大供电电压:3.3 V最小供电电压:2.7 V
标称供电电压:3 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
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:YES
uPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCKBase Number Matches:1

DS17285SN-3 数据手册

 浏览型号DS17285SN-3的Datasheet PDF文件第2页浏览型号DS17285SN-3的Datasheet PDF文件第3页浏览型号DS17285SN-3的Datasheet PDF文件第4页浏览型号DS17285SN-3的Datasheet PDF文件第5页浏览型号DS17285SN-3的Datasheet PDF文件第6页浏览型号DS17285SN-3的Datasheet PDF文件第7页 
DS17285/DS17287  
3V/5V Real-Time Clock  
www.maxim-ic.com  
FEATURES  
PIN ASSIGNMENT  
Incorporates industry standard DS1287 PC clock  
plus enhanced features:  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
VCC  
PWR  
X1  
SQW  
2
3
4
5
6
7
8
9
10  
C Y2K compliant  
VBAUX  
X2  
C +3V or +5V operation  
RCLR  
VBAT  
IRQ  
AD0  
AD1  
AD2  
AD3  
AD4  
AD5  
AD6  
AD7  
C SMI recovery stack  
C 64-bit silicon serial number  
C Power-control circuitry supports system  
power-on from date/time alarm or key  
closure  
KS  
RD  
GND  
WR  
ALE  
11  
12  
C 32kHz output on power-up  
C Crystal select bit allows RTC to operate with  
6pF or 12.5pF crystal  
CS  
GND  
DS17285 24-Pin DIP  
DS17285S 24-Pin SO  
C 114 bytes user NV RAM  
C Auxiliary battery input  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
VCC  
PWR  
C 2kB additional NV RAM  
C RAM clear input  
NC  
NC  
SQW  
2
3
4
5
6
7
8
9
10  
VBAUX  
C Century register  
RCLR  
AD0  
AD1  
AD2  
AD3  
AD4  
AD5  
AD6  
AD7  
NC  
C Date alarm register  
IRQ  
KS  
C Compatible with existing BIOS for original  
DS1287 functions  
RD  
C Available as chip (DS17285) or standalone  
module with embedded battery and crystal  
(DS17287)  
NC  
WR  
ALE  
11  
12  
CS  
GND  
C Timekeeping algorithm includes leap-year  
compensation valid up to 2100  
C Underwriters Laboratory (UL) recognized  
DS17287 24-Pin  
Encapsulated Package  
TYPICAL OPERATING CIRCUIT  
IRQ  
VBAT  
RCLR  
VBAUX  
SQW  
VCC  
VCC  
PWR  
X1  
1
2
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
KS  
RD  
3
GND  
WR  
4
5
ALE  
CS  
6
7
GND  
GND  
AD7  
AD6  
NC  
8
9
X2  
10  
11  
12  
13  
14  
NC  
ADO  
AD1  
AD5  
AD4  
AD3  
AD2  
DS17285E 28-Pin TSOP  
1 of 38  
050802  

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