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DS1553W-120 PDF预览

DS1553W-120

更新时间： 2024-11-19 22:14:55
品牌 Logo 应用领域
达拉斯 - DALLAS 时钟
页数 文件大小 规格书
19页 435K
描述
64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM

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DS1553W-120 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：0.700 INCH, PLASTIC, MODULE, DIP-28Reach Compliance Code：unknown
风险等级：5.75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：YJESD-30 代码：R-XDMA-P28
JESD-609代码：e0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：DIP封装等效代码：DIP28,.6
封装形状：RECTANGULAR封装形式：MICROELECTRONIC ASSEMBLY
电源：3.3 V认证状态：Not Qualified
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：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：SECONDS
易失性：NOuPs/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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DS1553  
64kB, Nonvolatile, Year-2000-Compliant  
Timekeeping RAM  
www.maxim-ic.com  
GENERAL DESCRIPTION  
FEATURES  
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 bytewide 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.  
Cꢀ Integrated NV SRAM, RTC, Crystal, Power-Fail  
Control Circuit, and Lithium Energy Source  
Cꢀ Clock Registers are Accessed Identically to the  
Static RAM; These Registers are Resident in the 16  
Top RAM Locations  
Cꢀ Totally Nonvolatile with Over 10 Years of  
Operation in the Absence of Power  
Cꢀ Precision Power-On Reset  
Cꢀ Programmable Watchdog Timer and RTC Alarm  
Cꢀ BCD-Coded Year, Month, Date, Day, Hours,  
Minutes, and Seconds with Automatic Leap Year  
Compensation Valid Up to the Year 2100  
ORDERING INFORMATION  
PART  
PIN-PACKAGE  
VCC (V)  
TOP MARK  
DS1553-100  
DS1553-070  
DS1553P-100  
DS1553P-70  
DS1553W-120  
DS1553W-150  
DS1553WP-120  
DS1553WP-150  
DS9034PCX  
DS1553-100  
DS1553-70  
28 EDIP  
28 EDIP  
34 PowerCap®  
34 PowerCap  
28 EDIP  
5.0  
5.0  
5.0  
5.0  
3.3  
3.3  
3.3  
3.3  
—
Cꢀ Battery Voltage Level Indicator Flag  
Cꢀ Power-Fail Write Protection Allows for M10% VCC  
DS1553P-100  
DS1553P-70  
DS1553W-120  
DS1553W-150  
DS1553WP-120  
DS1553WP-150  
DS9034PCX*  
Power-Supply Tolerance  
CꢀLithium Energy Source is Electrically  
Disconnected to Retain Freshness Until Power is  
Applied for the First Time  
28 EDIP  
34 PowerCap  
34 PowerCap  
—
*PowerCap required, must be ordered separately.  
PIN CONFIGURATIONS  
TOP VIEW  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
VCC  
RST  
A12  
A7  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
N.C.  
1
2
3
IRQ/FT  
N.C.  
2
WE  
N.C.  
N.C.  
N.C.  
A12  
A11  
A10  
A9  
DS1553  
N.C.  
3
DS1553  
IRQ/FT  
RST  
4
5
6
7
8
9
4
A6  
A8  
VCC  
5
A5  
A9  
WE  
OE  
6
A4  
A11  
OE  
7
A3  
CE  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
A8  
8
A2  
A10  
A7  
A6  
A5  
A4  
A3  
A2  
A1  
A0  
10  
11  
12  
13  
14  
15  
16  
17  
9
A1  
CE  
10  
11  
12  
13  
14  
A0  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
DQ0  
DQ1  
DQ2  
GND  
DQ2  
DQ1  
DQ0  
GND  
VBAT  
X1 GND  
X2  
28-Pin Encapsulated Package  
34-Pin PowerCap Module Board  
(Uses DS9034PCX PowerCap)  
(700-mil Extended)  
PowerCap is a registered trademark of Dallas Semiconductor.  
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.  
1 of 19  
REV: 022304  
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