Datasheet > DS1554-70+

DS1554-70+

更新时间： 2024-09-24 14:11:35

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
18页	425K
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数据手册
替代型号

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DS1554-70+ 数据手册

19-5497; Rev 9/10

DS1554

256k, 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

N.C.

A14

A12

V_CC

N.C.

Maxim

DS1554

. 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

. Programmable Watchdog Timer and RTC

DQ0

DQ1

DQ2

Alarm

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

Minutes, and Seconds with Automatic Leap-

Year Compensation Valid Up to the Year

2100

GND

Encapsulated DIP

. Battery Voltage-Level Indicator Flag

. Power-Fail Write Protection Allows for ±10%

N.C.

A14

A13

A12

A11

A10

IRQ/FT

Maxim

DS1554

V_CCPower-Supply Tolerance

N.C.

RST

. Lithium Energy Source is Electrically

Disconnected to Retain Freshness Until

Power is Applied for the First Time

V_CC

DQ7

DQ6

DQ5

DQ4

DQ3

DQ2

DQ1

DQ0

GND

. Also Available in Industrial Temperature

Range: -40°C to +85°C

V_BAT

GND

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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DS1554-70+ 替代型号

型号	品牌	替代类型	描述	数据表
DS1554-70IND	MAXIM	类似代替	Real Time Clock, Non-Volatile, CMOS, PDIP32, 0.740 INCH, ENCAPSULATED, DIP-32

与DS1554-70+相关器件

型号	品牌	获取价格	描述	数据表
DS1554-70IND	MAXIM	获取价格	Real Time Clock, Non-Volatile, CMOS, PDIP32, 0.740 INCH, ENCAPSULATED, DIP-32
DS1554P	MAXIM	获取价格	Real Time Clock, Non-Volatile, CMOS, POWERCAP MODULE-34
DS1554P/YP/WP	MAXIM	获取价格	PowerCap with Crystal
DS1554P-100	DALLAS	获取价格	256K NV Y2KC Timekeeping RAM
DS1554P-70	MAXIM	获取价格	Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, POWERCAP MODULE-34
DS1554P-70	DALLAS	获取价格	256K NV Y2KC Timekeeping RAM
DS1554P-70+	MAXIM	获取价格	Real Time Clock, Non-Volatile, CMOS, ROHS COMPLIANT, MODULE-34
DS1554P-70IND+	MAXIM	获取价格	Real Time Clock, Non-Volatile, CMOS, ROHS COMPLIANT, MODULE-34
DS1554W	MAXIM	获取价格	Real Time Clock, Non-Volatile, CMOS, PLASTIC, MODULE, DIP-32
DS1554W-120	DALLAS	获取价格	256K NV Y2KC Timekeeping RAM