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DS1553W-120+

更新时间： 2024-11-20 09:56:03
品牌 Logo 应用领域
美信 - MAXIM 时钟
页数 文件大小 规格书
20页 280K
描述
64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM

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DS1553W-120+ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：DIP
包装说明：DIP, DIP28,.6针数：28
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8473.30.11.80风险等级：8.54
最大时钟频率：0.032 MHz外部数据总线宽度：8
信息访问方法：PARALLEL, DIRECT ADDRESS中断能力：Y
JESD-30 代码：R-PDIP-P28JESD-609代码：e3
长度：38.862 mm端子数量：28
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：DIP封装等效代码：DIP28,.6
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：3.3 V
认证状态：Not Qualified座面最大高度：9.398 mm
子类别：Timer or RTC最大供电电压：3.63 V
最小供电电压：2.97 V标称供电电压：3.3 V
表面贴装：NO技术：CMOS
温度等级：COMMERCIAL端子面层：Matte Tin (Sn)
端子形式：PIN/PEG端子节距：2.54 mm
端子位置：DUAL最短时间：SECONDS
处于峰值回流温度下的最长时间：NOT SPECIFIED易失性：NO
宽度：15.24 mmuPs/uCs/外围集成电路类型：TIMER, REAL TIME CLOCK
Base Number Matches：1

DS1553W-120+ 数据手册

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19-5480; Rev 8/10  
DS1553  
64kB, Nonvolatile, Year-2000-Compliant  
Timekeeping RAM  
www.maxim-ic.com  
GENERAL DESCRIPTION  
FEATURES  
.
Integrated NV SRAM, RTC, Crystal, Power-Fail  
Control Circuit, and Lithium Energy Source  
The DS1553 is a full-function, year-2000-  
compliant (Y2KC) real-time clock/calendar (RTC)  
with an RTC alarm, watchdog timer, power-on  
reset, battery monitor, and 8k x 8 nonvolatile static  
RAM. User access to all registers within the  
DS1553 is accomplished with a byte-wide  
interface as shown in Figure 1. The RTC registers  
contain century, year, month, date, day, hours,  
minutes, and seconds data in 24-hour BCD format.  
Corrections for day of month and leap year are  
made automatically.  
.
Clock Registers are Accessed Identically to the  
Static RAM; These Registers are Resident in the  
16 Top RAM Locations  
.
Totally Nonvolatile with Over 10 Years of  
Operation in the Absence of Power  
.
.
.
Precision Power-On Reset  
Programmable Watchdog Timer and RTC Alarm  
BCD-Coded Year, Month, Date, Day, Hours,  
Minutes, and Seconds with Automatic Leap Year  
Compensation Valid Up to the Year 2100  
.
.
Battery Voltage Level Indicator Flag  
Power-Fail Write Protection Allows for 10%  
Pin Configurations appear at end of data sheet.  
VCC Power-Supply Tolerance  
.
Lithium Energy Source is Electrically  
Disconnected to Retain Freshness Until Power is  
Applied for the First Time  
ORDERING INFORMATION  
PART  
VOLTAGE (V)  
TEMP RANGE  
PIN-PACKAGE  
TOP MARK**  
DS1553-85+  
DS1553-100+  
5.0  
5.0  
3.3  
3.3  
5.0  
5.0  
3.3  
3.3  
3
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
28 EDIP (0.740)  
28 EDIP (0.740)  
28 EDIP (0.740)  
28 EDIP (0.740)  
34 PowerCap*  
34 PowerCap*  
34 PowerCap*  
34 PowerCap*  
—
DS1553+85  
DS1553+100  
DS1553W-120+  
DS1553W-150+  
DS1553P-85+  
DS1553P-100+  
DS1553WP-120+  
DS1553WP-150+  
DS9034PCX+  
DS1553W+120  
DS1553W+150  
DS1553P+85  
DS1553P+100  
DS1553WP+120  
DS1553WP+150  
DS9034PCX  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*PowerCap required, must be ordered separately  
**A “+” symbol anywhere on the top mark indicates a lead(Pb)-free package.  
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device  
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.  
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