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DS1244W-120IND PDF预览

DS1244W-120IND

更新时间: 2024-11-14 20:35:15
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, Non-Volatile, 0 Timer(s), CMOS, PDIP28, 0.740 INCH, ENCAPSULATED, DIP-28

DS1244W-120IND 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:DIP包装说明:0.740 INCH, ENCAPSULATED, DIP-28
针数:28Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.11Is Samacsys:N
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-P28
JESD-609代码:e0长度:38.862 mm
湿度敏感等级:1端子数量:28
计时器数量: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: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):240电源:3.3/5 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: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:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
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:NO
宽度:15.24 mmuPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCK
Base Number Matches:1

DS1244W-120IND 数据手册

 浏览型号DS1244W-120IND的Datasheet PDF文件第2页浏览型号DS1244W-120IND的Datasheet PDF文件第3页浏览型号DS1244W-120IND的Datasheet PDF文件第4页浏览型号DS1244W-120IND的Datasheet PDF文件第5页浏览型号DS1244W-120IND的Datasheet PDF文件第6页浏览型号DS1244W-120IND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  

DS1244W-120IND 替代型号

型号 品牌 替代类型 描述 数据表
DS1244W-120IND+ MAXIM

完全替代

Real Time Clock, Volatile, CMOS, PDIP28, 0.740 INCH, ROHS COMPLIANT, ENCAPSULATED, DIP-28
DS1244W-120+ MAXIM

完全替代

Real Time Clock, Volatile, CMOS, PDIP28, 0.740 INCH, ROHS COMPLIANT, ENCAPSULATED, DIP-28
DS1244W-120 MAXIM

类似代替

Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, PDIP28, 0.740 INCH, ENCAPSULATED, DIP-28

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