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DS1687-3IND+

更新时间： 2024-11-16 06:54:39

品牌	Logo	应用领域
达拉斯 - DALLAS		时钟
页数	文件大小	规格书
39页	766K
描述
3V/5V Real-Time Clocks

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中文翻译

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数据手册

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DS1687-3IND+ 数据手册

DS1685/DS1687

3V/5V Real-Time Clocks

www.maxim-ic.com

FEATURES

Incorporates Industry-Standard DS1287 PC Clock

plus Enhanced Features Such as: Y2K Compliant

ꢀ

RAM Clear Input

Century Register

Date Alarm Register

ꢀ

+3V or +5V Operation

64-Bit Silicon Serial Number

Compatible with Existing BIOS for Original

Power-Control Circuitry Supports System

Power-On from Date/Time Alarm or Key

Closure

DS1287 Functions

ꢀ

Available as Chip (DS1685) or Stand-Alone

Encapsulated DIP (EDIP) with Embedded

Battery and Crystal (DS1687)

ꢀ

32kHz Output for Power Management

Crystal-Select Bit Allows RTC to Operate with

ꢀ

Timekeeping Algorithm Includes Leap-Year

6pF or 12.5pF Crystal

Compensation Valid Through 2099

ꢀ

SMI Recovery Stack

Underwriters Laboratory (UL) Recognized

242 Bytes Battery-Backed NV RAM

Auxiliary Battery Input

APPLICATIONS

Embedded Systems

Utility Meters

Security Systems

Network Hubs, Bridges, and Routers

PIN CONFIGURATIONS

TOP VIEW

V_CC

PWR

V_CC

PWR

N.C.

AD0

SQW

V_BAUX

SQW

V_BAUX

DS1685/

DS1685S/

DS1685E

DS1687

AD0

RCLR

V_BAT

IRQ

RCLR

N.C.

IRQ

28 27 26

RCLR

AD0

AD1

AD2

AD3

AD4

AD5

N.C.

AD1

AD2

AD3

AD4

AD5

AD6

AD7

GND

V_BAT

AD1

AD2

AD3

AD4

AD5

AD6

AD7

GND

DS1685Q

IRQ

GND

12 13 14 15 16 17 18

GND

N.C.

PLCC

ALE

DIP (0.600″)/

SO (0.300″)/

EDIP (0.740

″

)

TSSOP (0.173″)

1 of 39

REV: 112105

12 3 4 5 6 7...39

中文翻译

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DS1687-5_12	MAXIM	获取价格	3V/5V Real-Time Clocks
DS1687-5+	DALLAS	获取价格	3V/5V Real-Time Clocks
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DS1687-5IND	DALLAS	获取价格	3V/5V Real-Time Clocks
DS1687-5IND_12	MAXIM	获取价格	3V/5V Real-Time Clocks
DS1687-5IND+	MAXIM	获取价格	3V/5V Real-Time Clocks
DS1687-5IND+	DALLAS	获取价格	3V/5V Real-Time Clocks