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DS1743-70+ PDF预览

DS1743-70+

更新时间: 2024-11-21 14:49:11
品牌 Logo 应用领域
美信 - MAXIM 时钟双倍数据速率外围集成电路
页数 文件大小 规格书
17页 467K
描述
Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, ROHS COMPLIANT, EDIP MODULE-28

DS1743-70+ 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:MODULE
包装说明:QIP, DIP28,.6针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.65
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:N
JESD-30 代码:R-XDMA-P28JESD-609代码:e3
长度:38.225 mm湿度敏感等级:1
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:UNSPECIFIED封装代码:QIP
封装等效代码:DIP28,.6封装形状:RECTANGULAR
封装形式:MICROELECTRONIC ASSEMBLY峰值回流温度(摄氏度):260
电源:5 V认证状态:Not Qualified
座面最大高度:10.67 mm子类别:Timer or RTC
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: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

DS1743-70+ 数据手册

 浏览型号DS1743-70+的Datasheet PDF文件第2页浏览型号DS1743-70+的Datasheet PDF文件第3页浏览型号DS1743-70+的Datasheet PDF文件第4页浏览型号DS1743-70+的Datasheet PDF文件第5页浏览型号DS1743-70+的Datasheet PDF文件第6页浏览型号DS1743-70+的Datasheet PDF文件第7页 
DS1743/DS1743P  
Y2K-Compliant, Nonvolatile Timekeeping  
RAMs  
FEATURES  
PIN CONFIGURATIONS  
. 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 Reside in  
the Eight Top RAM Locations.  
TOP VIEW  
N.C.  
A12  
A7  
A6  
A5  
A4  
A3  
A2  
A1  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
VCC  
WE  
CE2  
A8  
A9  
A11  
OE  
A10  
CE  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
DS1743  
. 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  
through 2099  
A0  
DQ0  
DQ1  
DQ2  
GND  
28-Pin Encapsulated Package  
(28 PIN 740)  
. Low-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  
. DIP Module Only  
Standard JEDEC Bytewide 8k x 8 Static  
RAM Pinout  
. PowerCap Module Board Only  
Surface-Mountable Package for Direct  
Connection to PowerCap Containing  
Battery and Crystal  
34  
N.C.  
N.C.  
N.C.  
1
2
3
N.C.  
N.C.  
N.C.  
DS1743P  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
N.C.  
A12  
A11  
A10  
A9  
4
5
6
RST  
VCC  
WE  
7
OE  
8
CE  
A8  
9
DQ7  
A7  
A6  
A5  
A4  
A3  
A2  
A1  
A0  
10  
11  
12  
13  
14  
15  
16  
17  
DQ6  
DQ5  
DQ4  
DQ3  
DQ2  
DQ1  
DQ0  
GND  
GND VBAT  
X1  
X2  
Replaceable Battery (PowerCap)  
Power-On Reset Output  
34-Pin PowerCap Module Board  
(Uses DS9034PCX+ or DS9034I-PCX+ PowerCap)  
Pin-for-Pin Compatible with Other Densities  
of DS174XP Timekeeping RAM  
.
Underwriters Laboratories (UL) Recognized  
to Prevent Charging of the Internal Lithium  
Battery  
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.maximintegrated.com/errata.  
1 of 17  
19-6719; Rev 9/13  

DS1743-70+ 替代型号

型号 品牌 替代类型 描述 数据表
DS1743-70 MAXIM

完全替代

Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, EDIP MODULE-28
DS1743-70 DALLAS

功能相似

Y2KC Nonvolatile Timekeeping RAM

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