DS1511

更新时间： 2024-09-23 22:40:35

品牌	Logo	应用领域
达拉斯 - DALLAS		时钟
页数	文件大小	规格书
20页	265K
描述
Y2K-Compliant Watchdog Real-Time Clocks

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DS1511 数据手册

DS1501/DS1511

Y2K-Compliant Watchdog

Real-Time Clocks

www.maxim-ic.com

GENERAL DESCRIPTION

FEATURES

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.

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

Hours, Minutes, and Seconds with Automatic

Leap-Year Compensation Valid Up to the Year

2100

Cꢀ Programmable Watchdog Timer and RTC Alarm

Cꢀ Century Register; Y2K-Compliant RTC

Cꢀ +3.3 or +5V Operation

Cꢀ Precision Power-On Reset

Cꢀ Power-Control Circuitry Support System Power-

On from Date/Day/Time Alarm or Key

Closure/Modem-Detect Signal

Cꢀ 256 Bytes Battery-Backed NV SRAM

Cꢀ Auxiliary Battery Input

APPLICATIONS

Cꢀ Accuracy of DS1511 Better than ±1

Minute/Month at +25°C

Remote Systems

Battery-Backed Systems

Telecom Switches

Office Equipment

Cꢀ Day-of-Week/Date Alarm Register

Cꢀ Crystal Select Bit Allow RTC to Operate with 6pF

or 12.6pF Crystal

Consumer Electronics

Cꢀ Battery Voltage-Level Indicator Flags

Cꢀ Available as Chip (DS1501) or Stand-Alone

Module with Embedded Battery and Crystal

(DS1511)

ORDERING INFORMATION

PART

TEMP RANGE

PIN-PACKAGE

Cꢀ UL Recognized

DS1501YN

DS1501YEN

DS1501YSN

DS1501WN

DS1501WEN

DS1501WSN

DS1511Y

-40°C to +85°C

0°C to +70°C

28 DIP (600 mil)

28 TSOP

28 SO (330 mil)

28 DIP (600 mil)

28 TSOP

28 SO (330 mil)

28 Module (720 mil)

PIN CONFIGURATION

TOP VIEW

V_CC

PWR

DS1511W

0°C to +70°C

V_BAUX

RST

IRQ

V^BAT

Dallas

_{Semiconductor}24

Selector Guide appears at end of data sheet.

DS1501

SQW

Typical Operating Circuits appears at end of data sheet.

GND

DQ7

DQ6

DQ5

DQ4

DQ3

DQ0

DQ1

DQ2

GND

DIP, SO

Pin Configurations are 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 20

REV: 031704

12 3 4 5 6 7...20

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与DS1511相关器件

型号	品牌	获取价格	描述	数据表
DS1511W	MAXIM	获取价格	Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDIP28, 0.720 INCH, EDIP-28
DS1511W	DALLAS	获取价格	Y2K-Compliant Watchdog Real-Time Clocks
DS1511W+	MAXIM	获取价格	Y2K-Compliant Watchdog Real-Time Clocks
DS1511W-IND	MAXIM	获取价格	Real Time Clock, 1 Timer(s), CMOS, PDIP28, 0.720 INCH, EDIP-28
DS1511Y	DALLAS	获取价格	Y2K-Compliant Watchdog Real-Time Clocks
DS1511Y	MAXIM	获取价格	Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDIP28, 0.720 INCH, EDIP-28
DS1511Y+	MAXIM	获取价格	Y2K-Compliant Watchdog Real-Time Clocks
DS1511Y-5VIND	MAXIM	获取价格	Real Time Clock, 1 Timer(s), CMOS, PDIP28, 0.720 INCH, EDIP-28
DS1521	TTELEC	获取价格	FV Automatic Flow Controller
DS1531	TTELEC	获取价格	Platon B & LB Automatic Flow Controller

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