DS1553

更新时间： 2024-02-13 15:33:45

品牌	Logo	应用领域
美信 - MAXIM		时钟
页数	文件大小	规格书
20页	280K
描述
64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM

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技术参数
数据手册

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DS1553 技术参数

生命周期：	Obsolete	Reach Compliance Code：	compliant
风险等级：	5.83	Is Samacsys：	N
Base Number Matches：	1

DS1553 数据手册

19-5480; Rev 8/10

DS1553

64kB, Nonvolatile, Year-2000-Compliant

Timekeeping RAM

www.maxim-ic.com

GENERAL DESCRIPTION

FEATURES

Integrated NV SRAM, RTC, Crystal, Power-Fail

Control Circuit, and Lithium Energy Source

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 byte-wide

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.

Clock Registers are Accessed Identically to the

Static RAM; These Registers are Resident in the

16 Top RAM Locations

Totally Nonvolatile with Over 10 Years of

Operation in the Absence of Power

Precision Power-On Reset

Programmable Watchdog Timer and RTC Alarm

BCD-Coded Year, Month, Date, Day, Hours,

Minutes, and Seconds with Automatic Leap Year

Compensation Valid Up to the Year 2100

Battery Voltage Level Indicator Flag

Power-Fail Write Protection Allows for 10%

Pin Configurations appear at end of data sheet.

V_CCPower-Supply Tolerance

Lithium Energy Source is Electrically

Disconnected to Retain Freshness Until Power is

Applied for the First Time

ORDERING INFORMATION

PART

VOLTAGE (V)

TEMP RANGE

PIN-PACKAGE

TOP MARK**

DS1553-85+

DS1553-100+

5.0

3.3

5.0

3.3

0°C to +70°C

28 EDIP (0.740)

34 PowerCap*

—

DS1553+85

DS1553+100

DS1553W-120+

DS1553W-150+

DS1553P-85+

DS1553P-100+

DS1553WP-120+

DS1553WP-150+

DS9034PCX+

DS1553W+120

DS1553W+150

DS1553P+85

DS1553P+100

DS1553WP+120

DS1553WP+150

DS9034PCX

+Denotes a lead(Pb)-free/RoHS-compliant package.

*PowerCap required, must be ordered separately

**A “+” symbol anywhere on the top mark indicates a lead(Pb)-free package.

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.

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与DS1553相关器件

型号	品牌	获取价格	描述	数据表
DS1553-100	MAXIM	获取价格	Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, PDIP28, 0.740 INCH, ENCAPSULATED, DIP-28
DS1553-100	DALLAS	获取价格	64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM
DS1553-100+	MAXIM	获取价格	64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM
DS1553-70	DALLAS	获取价格	64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM
DS1553-85+	MAXIM	获取价格	64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM
DS1553P	DALLAS	获取价格	64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM
DS1553P/YP/WP	MAXIM	获取价格	PowerCap with Crystal
DS1553P+70	MAXIM	获取价格	Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, ROHS COMPLIANT, POWERCAP MODULE-34
DS1553P-100	DALLAS	获取价格	64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM
DS1553P-100	MAXIM	获取价格	Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, POWERCAP MODULE-34

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