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DS1742W-120+ PDF预览

DS1742W-120+

更新时间: 2024-09-25 06:54:39
品牌 Logo 应用领域
美信 - MAXIM 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双倍数据速率
页数 文件大小 规格书
16页 493K
描述
Y2KC Nonvolatile Timekeeping RAMwww.

DS1742W-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, DIP24,.6针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8473.30.11.80风险等级:8.47
Is Samacsys:N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:NJESD-30 代码:R-PDIP-P24
JESD-609代码:e3长度:37.595 mm
端子数量:24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:DIP24,.6封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):260
电源:3.3 V认证状态:Not Qualified
座面最大高度:8.51 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 mm
uPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCKBase Number Matches:1

DS1742W-120+ 数据手册

 浏览型号DS1742W-120+的Datasheet PDF文件第2页浏览型号DS1742W-120+的Datasheet PDF文件第3页浏览型号DS1742W-120+的Datasheet PDF文件第4页浏览型号DS1742W-120+的Datasheet PDF文件第5页浏览型号DS1742W-120+的Datasheet PDF文件第6页浏览型号DS1742W-120+的Datasheet PDF文件第7页 
DS1742  
Y2KC Nonvolatile Timekeeping  
RAM  
www.maxim-ic.com  
FEATURES  
PIN CONFIGURATION  
Integrated NV SRAM, Real-Time Clock,  
Crystal, Power-Fail Control Circuit and  
Lithium Energy Source  
Clock Registers are Accessed Identically to  
the Static RAM; These Registers are  
Resident in the Eight Top RAM Locations  
Century Byte Register  
Totally Nonvolatile with Over 10 Years of  
Operation in the Absence of Power  
BCD Coded Century, Year, Month, Date,  
Day, Hours, Minutes, and Seconds with  
Automatic Leap Year Compensation Valid  
Up to the year 2100  
TOP VIEW  
1
2
3
4
5
6
7
8
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
VCC  
A8  
A9  
WE  
OE  
A10  
CE  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
A7  
A6  
A5  
A4  
A3  
A2  
A1  
A0  
DS1742  
9
DQ0  
DQ1  
DQ2  
GND  
10  
11  
12  
ENCAPSULATED DIP  
Battery Voltage Level Indicator Flag  
Power-Fail Write Protection Allows for ±10%  
VCC Power Supply Tolerance  
Lithium Energy Source is Electrically  
Disconnected to Retain Freshness until  
Power is Applied for the First Time  
Standard JEDEC Bytewide 2k x 8 Static  
RAM Pinout  
Quartz Accuracy ±1 Minute a Month at  
+25°C, Factory Calibrated  
Underwriters Laboratories (UL®)  
Recognized  
ORDERING INFORMATION  
PART  
VOLTAGE (V)  
TEMP RANGE  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
PIN-PACKAGE  
24 EDIP (0.740a)  
24 EDIP (0.740a)  
24 EDIP (0.740a)  
24 EDIP (0.740a)  
24 EDIP (0.740a)  
24 EDIP (0.740a)  
24 EDIP (0.740a)  
24 EDIP (0.740a)  
24 EDIP (0.740a)  
24 EDIP (0.740a)  
TOP MARK**  
DS1742-85  
DS1742-85+  
DS1742-100  
DS1742-100+  
DS1742-100IND  
DS1742-100IND+  
DS1742W-120  
DS1742W-120+  
DS1742W-150  
DS1742W-150+  
5.0  
5.0  
5.0  
5.0  
5.0  
5.0  
3.3  
3.3  
3.3  
3.3  
DS1742-85  
DS1742-85+  
DS1742-100  
DS1742-100+  
DS1742-100IND  
DS1742-100IND+  
DS1742W-120  
DS1742W-120+  
DS1742W-150  
DS1742W-150+  
+Denotes a lead-free/RoHS-compliant device.  
**The top mark will include a “+” on lead-free devices.  
UL is a registered trademark of Underwriters Laboratories, Inc.  
1 of 16  
REV: 102808  

DS1742W-120+ 替代型号

型号 品牌 替代类型 描述 数据表
DS1742W-120 MAXIM

完全替代

Y2KC Nonvolatile Timekeeping RAMwww.

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