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DS1501YE+TR

更新时间： 2024-11-12 06:54:39

品牌	Logo	应用领域
美信 - MAXIM		时钟
页数	文件大小	规格书
22页	254K
描述
Y2K-Compliant Watchdog Real-Time Clocks

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DS1501YE+TR 数据手册

DS1501/DS1511

Y2K-Compliant Watchdog Real-Time Clocks

GENERAL DESCRIPTION

FEATURES

ꢀ

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

The DS1501/DS1511 are full-function, year 2000-

compliant real-time clock/calendars (RTCs) with an

RTC alarm, watchdog timer, power-on reset, battery

monitors, 256 bytes NV SRAM, and a 32.768kHz

output. User access to all registers within the

DS1501/DS1511 is accomplished with a byte-wide

interface, as shown in Figure 8. The RTC registers

contain century, year, month, date, day, hours,

minutes, and seconds data in 24-hour binary-coded

decimal (BCD) format. Corrections for day of month

and leap year are made automatically.

Hours, Minutes, and Seconds with Automatic

Leap-Year Compensation Valid Up to the Year

2100

ꢀ

Programmable Watchdog Timer and RTC

Alarm

ꢀ

Century Register; Y2K-Compliant RTC

+3.3 (W) or +5V (Y) Operation

Precision Power-On Reset

Power-Control Circuitry Support System

Power-On from Date/Day/Time Alarm or Key

Closure/Modem-Detect Signal

APPLICATIONS

Remote Systems

Battery-Backed Systems

Telecom Switches

Office Equipment

ꢀ

256 Bytes Battery-Backed SRAM

Auxiliary Battery Input

Accuracy of DS1511 Better than ±1

Minute/Month at +25°C

Consumer Electronics

ꢀ

Day-of-Week/Date Alarm Register

Crystal Select Bit Allow RTC to Operate with

6pF or 12.6pF Crystal (DS1501)

ꢀ

Battery Voltage-Level Indicator Flags

Pin Configurations and Typical Operating Circuit appear at

end of data sheet.

Available as Chip (DS1501) or Stand-Alone

Encapsulated DIP Module with Embedded

Battery and Crystal (DS1511)

ꢀ

Underwriters Laboratories (UL) Recognized

ORDERING INFORMATION

PART

DS1501W+

DS1501WE+

DS1501WEN+

DS1501WEN+T&R

DS1501WE+T&R

VOLTAGE (V)

TEMP RANGE

PIN-PACKAGE

28 DIP (0.600)

28 TSOP

28 TSOP/Tape & Reel

TOP MARK*

DS1501W

DS1501WE

DS1501WEN

DS1501WE

3.3

0°C to +70°C

-40°C to +85°C

0°C to +70°C

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

*A “+” anywhere on the top mark denotes a lead(Pb)-free device. An N or IND denotes an industrial temperature device.

Ordering Information continued at end of data sheet.

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 22

REV: 010909

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与DS1501YE+TR相关器件

型号	品牌	获取价格	描述	数据表
DS1501YEN	DALLAS	获取价格	Y2K-Compliant Watchdog Real-Time Clocks
DS1501YEN	MAXIM	获取价格	Real Time Clock, Volatile, 1 Timer(s), CMOS, PDSO28, 0.528 INCH, TSOP-28
DS1501YEN/T&R	MAXIM	获取价格	暂无描述
DS1501YEN+	MAXIM	获取价格	Y2K-Compliant Watchdog Real-Time Clocks
DS1501YEN+TR	MAXIM	获取价格	Y2K-Compliant Watchdog Real-Time Clocks
DS1501YN	DALLAS	获取价格	Y2K-Compliant Watchdog Real-Time Clocks
DS1501YN	MAXIM	获取价格	Real Time Clock, Volatile, 1 Timer(s), CMOS, PDIP28, 0.600 INCH, PLASTIC, DIP-28
DS1501YN+	MAXIM	获取价格	Y2K-Compliant Watchdog Real-Time Clocks
DS1501YS	MAXIM	获取价格	Real Time Clock, Volatile, 1 Timer(s), CMOS, PDSO28, 0.330 INCH, SOIC-28
DS1501YS/T&R	MAXIM	获取价格	Real Time Clock, Volatile, 1 Timer(s), CMOS, PDSO28, 0.330 INCH, SOIC-28

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