Datasheet > DS1556

DS1556

更新时间： 2023-12-20 18:44:46

品牌	Logo	应用领域
亚德诺 - ADI		时钟
页数	文件大小	规格书
18页	206K
描述
1M非易失、Y2K兼容时钟RAM

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中文翻译

获取价格

数据手册

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DS1556 数据手册

19-5500; Rev 9/10

DS1556

1M, Nonvolatile, Y2K-Compliant

Timekeeping RAM

www.maxim-ic.com

FEATURES

PIN CONFIGURATIONS

. Integrated NV SRAM, Real-Time Clock

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

and Lithium Energy Source

TOP VIEW

RST

A16

A14

A12

V_CC

A15

Maxim

DS1556

. Clock Registers are Accessed Identically to

the Static RAM; These Registers Reside in

the 16 Top RAM Locations

IRQ/FT

A13

A11

A10

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

. Totally Nonvolatile with Over 10 Years of

Operation in the Absence of Power

. Precision Power-On Reset

DQ7

DQ6

DQ5

DQ4

DQ3

DQ0

DQ1

DQ2

GND

. Programmable Watchdog Timer and RTC

Alarm

. BCD-Coded Year, Month, Date, Day, Hours,

Minutes, and seconds with Automatic Leap-

Year Compensation Valid Up to the Year

2100

Encapsulated DIP

. Battery Voltage-Level Indicator Flag

. Power-Fail Write Protection Allows for 10%

N.C.

A14

IRQ/FT

A15

A16

RST

V_CC

_CCPower-Supply Tolerance

Maxim

DS1556

. Lithium 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

. Also Available in Industrial Temperature

Range: -40°C to +85°C

GND V_BAT

PowerCap Module Board

(Uses DS9034PCX PowerCap)

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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与DS1556相关器件

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DS1556_10	MAXIM	获取价格	1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
DS1556-100	DALLAS	获取价格	Real Time Clock, Non-Volatile, CMOS, PLASTIC, DIP MODULE, DMA-32
DS1556-70	DALLAS	获取价格	1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
DS1556-70+	MAXIM	获取价格	1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
DS1556-70IND	DALLAS	获取价格	1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
DS1556-70IND+	MAXIM	获取价格	1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
DS1556P	ETC	获取价格	1MEG NV Y2KC Real Time Clocks RAM
DS1556P/YP/WP	MAXIM	获取价格	PowerCap with Crystal
DS1556P-100	DALLAS	获取价格	Real Time Clock, Non-Volatile, CMOS, POWER, MODULE, DFP-34
DS1556P-70	DALLAS	获取价格	1M, Nonvolatile, Y2K-Compliant Timekeeping RAM