Datasheet > DS17285-DS17287

DS17285-DS17287

更新时间： 2024-11-18 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
38页	408K
描述
3V/5V Real-Time Clock

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中文翻译

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数据手册

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DS17285-DS17287 数据手册

DS17285/DS17287

3V/5V Real-Time Clock

www.maxim-ic.com

FEATURES

PIN ASSIGNMENT

Incorporates industry standard DS1287 PC clock

plus enhanced features:

VCC

PWR

SQW

C Y2K compliant

VBAUX

C +3V or +5V operation

RCLR

VBAT

IRQ

AD0

AD1

AD2

AD3

AD4

AD5

AD6

AD7

C SMI recovery stack

C 64-bit silicon serial number

C Power-control circuitry supports system

power-on from date/time alarm or key

closure

GND

ALE

C 32kHz output on power-up

C Crystal select bit allows RTC to operate with

6pF or 12.5pF crystal

GND

DS17285 24-Pin DIP

DS17285S 24-Pin SO

C 114 bytes user NV RAM

C Auxiliary battery input

VCC

PWR

C 2kB additional NV RAM

C RAM clear input

SQW

VBAUX

C Century register

RCLR

AD0

AD1

AD2

AD3

AD4

AD5

AD6

AD7

C Date alarm register

IRQ

C Compatible with existing BIOS for original

DS1287 functions

C Available as chip (DS17285) or standalone

module with embedded battery and crystal

(DS17287)

ALE

GND

C Timekeeping algorithm includes leap-year

compensation valid up to 2100

C Underwriters Laboratory (UL) recognized

DS17287 24-Pin

Encapsulated Package

TYPICAL OPERATING CIRCUIT

IRQ

VBAT

RCLR

VBAUX

SQW

VCC

PWR

GND

ALE

GND

AD7

AD6

ADO

AD1

AD5

AD4

AD3

AD2

DS17285E 28-Pin TSOP

1 of 38

050802

12 3 4 5 6 7...38

中文翻译

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与DS17285-DS17287相关器件

型号	品牌	获取价格	描述	数据表
DS17285E3	MAXIM	获取价格	Real-Time Clocks
DS17285E-3	MAXIM	获取价格	Real-Time Clocks
DS17285E-3	DALLAS	获取价格	3V/5V Real-Time Clock
DS17285E-3+	MAXIM	获取价格	Real-Time Clocks
DS17285E5	MAXIM	获取价格	Real-Time Clocks
DS17285E-5	MAXIM	获取价格	Real-Time Clocks
DS17285E-5	DALLAS	获取价格	3V/5V Real-Time Clock
DS17285E-5+	MAXIM	获取价格	Real-Time Clocks
DS17285EN-	MAXIM	获取价格	Real-Time Clocks
DS17285EN-3	DALLAS	获取价格	3V/5V Real-Time Clock