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DS1216B

更新时间： 2024-09-23 09:55:51

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
15页	648K
描述
SmartWatch RAM (DS1216B/C/D/H); SmartWatch ROM (DS1216E/F)

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中文翻译

获取价格

数据手册

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DS1216B 数据手册

19-6075; Rev 11/11

DS1216

SmartWatch RAM (DS1216B/C/D/H);

SmartWatch ROM (DS1216E/F)

GENERAL DESCRIPTION

FEATURES

The DS1216 SmartWatch RAM and SmartWatch

ROM sockets are 600-mil-wide DIP sockets with a

built-in CMOS watch function, an NV RAM

controller circuit, and an embedded lithium energy

source. The sockets provide an NV RAM solution

for memory sized from 2K x 8 to 512K x 8 with

package sizes from 26 pins to 32 pins. When a

socket is mated with a CMOS SRAM, it provides a

complete solution to problems associated with

memory volatility and uses a common energy

source to maintain time and date. The SmartWatch

ROM sockets use the embedded lithium source to

maintain the time and date only. A key feature of

the SmartWatch is that the watch function remains

transparent to the RAM. The SmartWatch monitors

V_CCfor an out-of-tolerance condition. When such a

condition occurs, an internal lithium energy source

is automatically switched on and write protection

is unconditionally enabled to prevent loss of watch

and RAM data.

Keeps Track of Hundredths of Seconds,

Seconds, Minutes, Hours, Days, Date of the

Month, Months, and Years

Converts Standard 2K x 8 Up to 512K x 8

CMOS Static RAMs into Nonvolatile Memory

Embedded Lithium Energy Cell Maintains

Watch Information and Retains RAM Data

Watch Function is Transparent to RAM

Operation

Automatic Leap Year Compensation Valid Up

to 2100

Lithium Energy Source is Electrically

Disconnected to Retain Freshness Until Power

is Applied for the First Time

Proven Gas-Tight Socket Contacts

Full ±10% Operating Range

Accuracy Better Than ±1 Minute/Month

at +25°C

TYPICAL OPERATING CIRCUIT

ORDERING INFORMATION

PART

TEMP RANGE PIN-PACKAGE

DS1216B

DS1216C

DS1216D

DS1216E

DS1216F

DS1216H

0°C to +70°C

28 SmartWatch Socket

32 SmartWatch Socket

28 SmartWatch Socket

32 SmartWatch Socket

(See Figure 2 for letter suffix marking identification.)

Selector Guide appears on page 2.

1 of 15

12 3 4 5 6 7...15

中文翻译

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与DS1216B相关器件

型号	品牌	获取价格	描述	数据表
DS1216C	DALLAS	获取价格	SmartWatch RAM DS1216B/C/D/H SmartWatch ROM DS1216E/F
DS1216C	MAXIM	获取价格	SmartWatch RAM (DS1216B/C/D/H); SmartWatch ROM (DS1216E/F)
DS1216D	DALLAS	获取价格	SmartWatch RAM DS1216B/C/D/H SmartWatch ROM DS1216E/F
DS1216D	MAXIM	获取价格	SmartWatch RAM (DS1216B/C/D/H); SmartWatch ROM (DS1216E/F)
DS1216E	MAXIM	获取价格	SmartWatch RAM (DS1216B/C/D/H); SmartWatch ROM (DS1216E/F)
DS1216E	DALLAS	获取价格	SmartWatch RAM DS1216B/C/D/H SmartWatch ROM DS1216E/F
DS1216E-3	MAXIM	获取价格	Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, PDIP28, 0.600 INCH, SOCKET TYPE, DIP-28
DS1216E-3	DALLAS	获取价格	Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, PDIP28, 0.600 INCH, DIP-28
DS1216EK	DALLAS	获取价格	Timer or RTC, Non-Volatile, CMOS, PDIP28,
DS1216F	DALLAS	获取价格	SmartWatch RAM DS1216B/C/D/H SmartWatch ROM DS1216E/F