Datasheet > DS17887N-3

DS17887N-3

更新时间： 2024-11-18 14:41:51

品牌	Logo	应用领域
美信 - MAXIM		时钟光电二极管外围集成电路
页数	文件大小	规格书
38页	408K
描述
Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDIP24, PLASTIC, MODULE, DIP-24

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中文翻译

获取价格

技术参数
数据手册

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DS17887N-3 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	零件包装代码：	DIP
包装说明：	DIP, DIP24,.6	针数：	24
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.17
Is Samacsys：	N	Base Number Matches：	1

DS17887N-3 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

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与DS17887N-3相关器件

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