Datasheet > STK1743-D35I

STK1743-D35I

更新时间： 2024-09-17 22:53:23

品牌	Logo	应用领域
其他 - ETC		存储静态存储器时钟
页数	文件大小	规格书
10页	240K
描述
NV TIME 8K X 8 AUTOSTORE NVSRAM WITH REAL - TIME CLOCK

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中文翻译

获取价格

数据手册

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STK1743-D35I 数据手册

STK1743

nvTime™

8K x 8 AutoStore™ nvSRAM

with Real-Time Clock

ADVANCE

FEATURES

DESCRIPTION

• Data Integrity of Simtek nvSRAM Combined

with Full-Featured Real-Time Clock

The Simtek STK1743 DIP module houses 64Kb of

nonvolatile static RAM, a real-time clock (RTC) with

crystal and a high-value capacitor to support sys-

tems that require high reliability and ease of manu-

facturing. READ and WRITE access to all RTC

functions and the memory is the same as a conven-

tional x 8 SRAM. The highest eight addresses of the

RAM support clock registers for centuries, years,

months, dates, days, hours, minutes and seconds.

• Stand-Alone Nonvolatile Memory and Time-

Keeping Solution—No Other Parts Required

• No Batteries to Fail

• Fast 25ns, 35ns and 45ns Access Times

• Software- and AutoStore™-Controlled

Nonvolatile Cycles

• Year 2000 Compliant with Leap Year

Compensation

Independent data resides in the integral EEPROM at

all times. Automatic RECALL on power up transfers

the EEPROM data to the SRAM, while an automatic

STORE on power down transfers SRAM data to the

EEPROM. A software RECALL and STORE are also

possible on user command. nvTime™ allows unlim-

ited accesses to SRAM, unlimited RECALLs and 10⁶

STOREs.

• 24-Hour BCD Format

• 100-Year Data Retention over Full Industrial

Temperature Range

• Full 30-Day RTC Operation on Each Power

Loss

• Single 5V ± 10% Power Supply

BLOCK DIAGRAM

PIN CONFIGURATIONS

A₁₂

A₇

V_CC

EEPROM ARRAY

128 x 512

A₈

A₉

A₁₁

A₁₀

DQ₇

DQ₆

DQ₅

DQ₄

DQ₃

A₆

A₅

A₄

A₃

A₂

A₁

A₀

DQ₀

DQ₁

DQ₂

V_SS

A₅

STORE/

RECALL

CONTROL

POWER

CONTROL

STORE

A₆

A₇

STATIC RAM

ARRAY

RECALL

A₈

SOFTWARE

DETECT

600 mil

Dual

In-Line

Module

128 x 512

A₀- A₁₂

A₉

A₁₁

A₁₂

RTC

MUX

DQ₀

DQ₁

DQ₂

DQ₃

DQ₄

DQ₅

DQ₆

DQ₇

PIN NAMES

COLUMN I/O

COLUMN DEC

- A

Address Inputs

Write Enable

Data In/Out

Chip Enable

Output Enable

Power (+ 5V)

Ground

A₀-

A₁₂

DQ - DQ

A A

March 1999

7-1

12 3 4 5 6 7...10

中文翻译

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与STK1743-D35I相关器件

型号	品牌	获取价格	描述	数据表
STK1743-D45	ETC	获取价格	NV TIME 8K X 8 AUTOSTORE NVSRAM WITH REAL - TIME CLOCK
STK1743-D45I	ETC	获取价格	NV TIME 8K X 8 AUTOSTORE NVSRAM WITH REAL - TIME CLOCK
STK1744	ETC	获取价格	32K x 8 AutoStore nvSRAM with Real-Time Clock
STK1744-D25	SIMTEK	获取价格	Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, 0.600 INCH, MODULE, DIP-28
STK1744-D25	CYPRESS	获取价格	0 TIMER(S), REAL TIME CLOCK, DIP28, 0.600 INCH, MODULE, DIP-28
STK1744-D25I	SIMTEK	获取价格	Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, 0.600 INCH, MODULE, DIP-28
STK1744-D25I	CYPRESS	获取价格	0 TIMER(S), REAL TIME CLOCK, DIP28, 0.600 INCH, MODULE, DIP-28
STK1744-D35	CYPRESS	获取价格	0 TIMER(S), REAL TIME CLOCK, DIP28, 0.600 INCH, MODULE, DIP-28
STK1744-D35I	ETC	获取价格	32K x 8 AutoStore nvSRAM with Real-Time Clock
STK1744-D45	SIMTEK	获取价格	Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, 0.600 INCH, MODULE, DIP-28

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