Datasheet > STK25C48-WF35

STK25C48-WF35

更新时间： 2024-11-08 06:37:55

品牌	Logo	应用领域
SIMTEK		静态存储器光电二极管
页数	文件大小	规格书
10页	286K
描述
2KX8 NON-VOLATILE SRAM, 35ns, PDIP24, 0.600 INCH, PLASTIC, DIP-24

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中文翻译

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数据手册

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STK25C48-WF35 数据手册

STK25C48

2K x 8 AutoStore™ nvSRAM

QuantumTrap™ CMOS

Nonvolatile Static RAM

Obsolete - Not Recommend for new Designs

DESCRIPTION

FEATURES

The STK25C48 is a fast SRAM with a nonvolatile element

incorporated in each static memory cell. The SRAM can

be read and written an unlimited number of times, while

independent nonvolatile data resides in the Nonvolatile

Elements. Data transfers from the SRAM to the Nonvola-

tile Elements (the STORE operation) can take place auto-

matically on power down using charge stored in system

capacitance. Transfers from the Nonvolatile Elements to

the SRAM (the RECALL operation) take place automati-

cally on restoration of power. The nvSRAM can be used in

place of existing 2K x 8 SRAMs and also matches the

pinout of 2K x 8 battery-backed SRAMs, EPROMs and

EEPROMs, allowing direct substitution while enhancing

performance. No support circuitry is required for micro-

processor interfacing.

• Nonvolatile Storage without Battery Problems

• Directly Replaces 2K x 8 Static RAM, Battery-

Backed RAM or EEPROMs

• 25ns, 35ns and 45ns Access Times

• STORE to Nonvolatile Elements Initiated by

AutoStore™ on Power Down

• RECALL to SRAM Initiated by Power Restore

• 10mA Typical I_CCat 200ns Cycle Time

• Unlimited READ, WRITE and RECALL Cycles

• 1,000,000 STORE Cycles to Nonvolatile Ele-

ments

• 100-Year Data Retention over Full Industrial

Temperature Range

• Commercial and Industrial Temperatures

• 24-Pin 600 PDIP Package

PIN CONFIGURATIONS

BLOCK DIAGRAM

QUANTUM TRAP

32 x 512

V_CC

STORE

A₅

A₆

A₇

A₈

A₉

STORE/

RECALL

CONTROL

POWER

CONTROL

STATIC RAM

ARRAY

RECALL

32 x 512

24 - 600 PDIP

DQ₀

DQ₁

DQ₂

DQ₃

DQ₄

DQ₅

DQ₆

DQ₇

COLUMN I/O

PIN NAMES

COLUMN DEC

- A

Address Inputs

Write Enable

Data In/Out

Chip Enable

Output Enable

Power (+ 5V)

Ground

DQ - DQ

A₁₀

A₀A₁A₂A₃A₄

March 2006

Document Control # ML0005 rev 0.2

12 3 4 5 6 7...10

中文翻译

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与STK25C48-WF35相关器件

型号	品牌	获取价格	描述	数据表
STK25C48-WF35I	SIMTEK	获取价格	2KX8 NON-VOLATILE SRAM, 35ns, PDIP24, 0.600 INCH, PLASTIC, DIP-24
STK25C48-WF45I	SIMTEK	获取价格	2KX8 NON-VOLATILE SRAM, 45ns, PDIP24, 0.600 INCH, PLASTIC, DIP-24
STK25CA8	ETC	获取价格	128K x 8 AutoStore nvSRAM CMOS Nonvolatile Static RAM Module
STK25CA8-D35	SIMTEK	获取价格	Non-Volatile SRAM Module, 128KX8, 35ns, CMOS, PDIP32, 0.600 INCH, MODULE, DIP-32
STK25CA8-D35I	ETC	获取价格	128K x 8 AutoStore nvSRAM CMOS Nonvolatile Static RAM Module
STK25CA8-D45	SIMTEK	获取价格	Non-Volatile SRAM Module, 128KX8, 45ns, CMOS, PDIP32, 0.600 INCH, MODULE, DIP-32
STK25CA8-D45I	SIMTEK	获取价格	Non-Volatile SRAM Module, 128KX8, 45ns, CMOS, PDIP32, 0.600 INCH, MODULE, DIP-32
STK25CA8-D55	CYPRESS	获取价格	Non-Volatile SRAM Module, 128KX8, 55ns, CMOS, 0.600 INCH, MODULE, DIP-32
STK25CA8-D55I	CYPRESS	获取价格	128KX8 NON-VOLATILE SRAM MODULE, 55ns, DMA32, 0.600 INCH, MODULE, DIP-32
STK28C256	ETC	获取价格	x8 EEPROM

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