Datasheet > 微控制器和处理器 > 计时器或实时时钟> DS1556WP-120IND

DS1556WP-120IND

更新时间： 2024-11-16 22:07:35

品牌	Logo	应用领域
达拉斯 - DALLAS		外围集成电路双倍数据速率时钟
页数	文件大小	规格书
20页	483K
描述
1M, Nonvolatile, Y2K-Compliant Timekeeping RAM

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中文翻译

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数据手册

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DS1556WP-120IND 数据手册

DS1556

1M, Nonvolatile, Y2K-Compliant

Timekeeping RAM

www.maxim-ic.com

FEATURES

PIN CONFIGURATIONS

CꢀIntegrated NV SRAM, Real-Time Clock

(RTC), Crystal, Power-Fail Control Circuit,

and Lithium Energy Source

TOP VIEW

RST

A16

A14

A12

V_CC

A15

Dallas

CꢀClock Registers are Accessed Identically to

the Static RAM; These Registers Reside in

the 16 Top RAM Locations

Semiconductor

DS1556

IRQ/FT

A13

CꢀCentury Byte Register (i.e., Y2K Compliant)

CꢀTotally Nonvolatile with Over 10 Years of

A11

A10

Operation in the Absence of Power

CꢀPrecision Power-On Reset

DQ7

DQ6

DQ5

DQ4

DQ3

DQ0

DQ1

DQ2

GND

CꢀProgrammable Watchdog Timer and RTC

Alarm

CꢀBCD-Coded Year, Month, Date, Day, Hours,

Minutes, and seconds with Automatic Leap-

Year Compensation Valid Up to the Year

2100

Encapsulated DIP

CꢀBattery Voltage-Level Indicator Flag

CꢀPower-Fail Write Protection Allows for M10%

N.C.

A14

IRQ/FT

A15

A16

RST

V_CC

_CCPower-Supply Tolerance

Dallas

Semiconductor

DS1556

CꢀLithium Energy Source is Electrically

Disconnected to Retain Freshness Until

Power is Applied for the First Time

A13

A12

A11

A10

DQ7

DQ6

DQ5

DQ4

DQ3

DQ2

DQ1

DQ0

GND

CꢀAlso Available in Industrial Temperature

Range: -40°C to +85°C

GND V_BAT

PowerCap^®Module Board

(Uses DS9034PCX PowerCap)

PowerCap is a registered trademark of Dallas Semiconductor.

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.

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REV: 101804

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与DS1556WP-120IND相关器件

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DS1556WP-120IND+	MAXIM	获取价格	1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
DS1556WP-150	DALLAS	获取价格	Real Time Clock, Non-Volatile, CMOS, POWER, MODULE, DFP-34
DS1557	DALLAS	获取价格	4MEG NV Y2KC Timekeeping RAM
DS1557	ADI	获取价格	4M非易失、Y2K兼容时钟RAM
DS1557P	DALLAS	获取价格	Real Time Clock, CMOS, POWERCAP MODULE-34
DS1557P/YP/WP	MAXIM	获取价格	PowerCap with Crystal
DS1557P-100	DALLAS	获取价格	4MEG NV Y2KC Timekeeping RAM
DS1557P-70	DALLAS	获取价格	4MEG NV Y2KC Timekeeping RAM
DS1557P-70	ROCHESTER	获取价格	0 TIMER(S), REAL TIME CLOCK, DMA34, POWERCAP MODULE-34
DS1557P-70+	MAXIM	获取价格	Real Time Clock, Non-Volatile, CMOS, ROHS COMPLIANT, POWERCAP MODULE-34