Datasheet > DS17886

DS17886

更新时间： 2024-02-04 14:01:45

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

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

DS17886 数据手册

DS17885/DS17887

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

DS17885 24-Pin DIP

DS17885S 24-Pin SO

C 114 bytes user NV RAM

C Auxiliary battery input

VCC

PWR

C 8kB 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 (DS17885) or standalone

module with embedded battery and crystal

(DS17887)

ALE

GND

C Timekeeping algorithm includes leap-year

compensation valid up to 2100

C Underwriters Laboratory (UL) recognized

DS17887 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

DS17885E 28-Pin TSOP

1 of 38

050802

12 3 4 5 6 7...38

中文翻译

下载PDF

与DS17886相关器件

型号	品牌	获取价格	描述	数据表
DS17887	DALLAS	获取价格	3V/5V Real-Time Clock
DS17887	MAXIM	获取价格	Real-Time Clocks
DS17887	ADI	获取价格	3V/5V实时时钟
DS17887-3	MAXIM	获取价格	Real-Time Clocks
DS17887-3+	MAXIM	获取价格	Real-Time Clocks
DS17887-3IND	MAXIM	获取价格	Real-Time Clocks
DS17887-3IND+	MAXIM	获取价格	Real-Time Clocks
DS17887-5	MAXIM	获取价格	Real-Time Clocks
DS17887-5+	MAXIM	获取价格	Real-Time Clocks
DS17887-5IND	MAXIM	获取价格	Real-Time Clocks