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DS1244Y-70+ PDF预览

DS1244Y-70+

更新时间: 2024-11-14 15:44:39
品牌 Logo 应用领域
美信 - MAXIM 双倍数据速率光电二极管外围集成电路
页数 文件大小 规格书
20页 541K
描述
Real Time Clock, Volatile, CMOS, PDIP28, 0.740 INCH, ROHS COMPLIANT, ENCAPSULATED, DIP-28

DS1244Y-70+ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active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:8473.30.11.40Factory Lead Time:10 weeks
风险等级:1.01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-PDIP-P28JESD-609代码:e3
长度:38.862 mm端子数量:28
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:5 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: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:1/100 SECOND处于峰值回流温度下的最长时间:NOT SPECIFIED
易失性:YES宽度:15.24 mm
uPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCKBase Number Matches:1

DS1244Y-70+ 数据手册

 浏览型号DS1244Y-70+的Datasheet PDF文件第2页浏览型号DS1244Y-70+的Datasheet PDF文件第3页浏览型号DS1244Y-70+的Datasheet PDF文件第4页浏览型号DS1244Y-70+的Datasheet PDF文件第5页浏览型号DS1244Y-70+的Datasheet PDF文件第6页浏览型号DS1244Y-70+的Datasheet PDF文件第7页 
19-6077; Rev 11/11  
DS1244/DS1244P  
www.maxim-ic.com  
256K NV SRAM with Phantom Clock  
FEATURES  
PIN CONFIGURATIONS  
. Real-Time Clock (RTC) Keeps Track of  
Hundredths of Seconds, Minutes, Hours,  
Days, Date of the Month, Months, and Years  
. 32K x 8 NV SRAM Directly Replaces  
Volatile Static RAM or EEPROM  
. Embedded Lithium Energy Cell Maintains  
Calendar Operation and Retains RAM Data  
. Watch Function is Transparent to RAM  
Operation  
. Automatic Leap Year Compensation Valid  
Up to 2100  
. Full 10% Operating Range  
. Over 10 Years of Data Retention in the  
Absence of Power  
. Lithium Energy Source is Electrically  
Disconnected to Retain Freshness Until  
Power is Applied for the First Time  
. DIP Module Only  
TOP VIEW  
VCC  
1
28  
27  
A14/RST  
DS1244  
2
3
4
WE  
A13  
A8  
A12  
A7  
A6  
26  
25  
5
6
24  
23  
A9  
A11  
A5  
A4  
7
8
22  
21  
OE  
A10  
A3  
A2  
9
10  
20  
19  
CE  
DQ7  
A1  
A0  
11  
12  
18  
17  
DQ6  
DQ5  
DQ0  
DQ1  
13  
14  
16  
15  
DQ4  
DQ3  
DQ2  
GND  
EDIP Module  
(740 mils)  
N.C.  
N.C.  
A14  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
1
2
3
4
5
6
7
8
9
RST  
N.C.  
N.C.  
DS1244P  
. Standard 28-Pin JEDEC Pinout  
. PowerCap Module Board Only  
– Surface Mountable Package for Direct  
Connection to PowerCap Containing  
Battery and Crystal  
A13  
A12  
A11  
A10  
A9  
N.C.  
VCC  
WE  
OE  
CE  
A8  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
A7  
A6  
A5  
A4  
A3  
A2  
A1  
A0  
10  
11  
12  
13  
14  
15  
16  
17  
– Replaceable Battery (PowerCap)  
– Pin-for-Pin Compatible with DS1248P  
and DS1251P  
DQ2  
DQ1  
DQ0  
GND  
VBAT  
X1 GND  
X2  
18  
. Underwriters Laboratories (UL) Recognized  
PowerCap Module  
(Uses DS9034PCX+ PowerCap)  
1 of 20  

DS1244Y-70+ 替代型号

型号 品牌 替代类型 描述 数据表
DS1244Y-70 DALLAS

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