Datasheet > STK16C68

STK16C68

更新时间： 2024-11-09 04:30:23

品牌	Logo	应用领域
SIMTEK		静态存储器
页数	文件大小	规格书
10页	383K
描述
8K x 8 AutoStorePlus⑩ nvSRAM QuantumTrap⑩ CMOS Nonvolatile Static RAM

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中文翻译

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STK16C68 数据手册

STK16C68

8K x 8 AutoStorePlus™ nvSRAM

QuantumTrap™ CMOS

Nonvolatile Static RAM

Obsolete - Not Recommend for new Designs

FEATURES

DESCRIPTION

• Internal Capacitor Guarantees AutoStore™

Regardless of Power-Down Slew Rate

• Nonvolatile Storage without Battery Problems

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

Backed RAM or EEPROM

• 25ns, 35ns and 45ns Access Times

• STORE to Nonvolatile Elements Initiated by

Software or AutoStorePlus™ on Power Down

• RECALL to SRAM Initiated by Software or

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

• No Data Loss from Undershoot

• Commercial and Industrial Temperatures

• 28-Pin 600 mil PDIP Package

The STK16C68 is a fast SRAM with a nonvolatile ele-

ment incorporated in each static memory cell. The

SRAM can be read and written an unlimited number of

times, while independent nonvolatile data resides in

Nonvolatile Elements. Data transfers from the SRAM to

the Nonvolatile Elements (the STORE operation) can

take place automatically on power down. An internal

capacitor guarantees the STORE operation regardless

of power-down slew rate. Transfers from the Nonvola-

tile Elements to the SRAM (the RECALL operation) take

place automatically on restoration of power. Initiation

of STORE and RECALL cycles can also be controlled by

entering control sequences on the SRAM inputs. The

STK16C68 is pin-compatible with 8k x 8 SRAMs and

battery-backed SRAMs, allowing direct substitution

while enhancing performance. The STK12C68, which

uses an external capacitor, and the STK15C68, which

uses charge stored in system capacitance, are alter-

natives for systems needing AutoStore™ operation.

PIN CONFIGURATIONS

BLOCK DIAGRAM

QUANTUM TRAP

128 x 512

V_CC

A₅

STORE

A₆

STORE/

RECALL

CONTROL

POWER

CONTROL

A₇

STATIC RAM

ARRAY

RECALL

A₈

128 x 512

A₉

INTERNAL

CAPACITOR

28 - 600 PDIP

A₁₁

A₁₂

DQ₀

DQ₁

DQ₂

DQ₃

DQ₄

DQ₅

DQ₆

DQ₇

PIN NAMES

COLUMN I/O

SOFTWARE

DETECT

A₀- A₁₂

- A

Address Inputs

Write Enable

Data In/Out

Chip Enable

Output Enable

Power (+ 5V)

Ground

COLUMN DEC

DQ - DQ

A₀A₁A₂A₃A₄A₁₀

March 2006

Document Control # ML0010 rev 0.2

12 3 4 5 6 7...10

中文翻译

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与STK16C68相关器件

型号	品牌	获取价格	描述	数据表
STK16C68-S20	SIMTEK	获取价格	Non-Volatile SRAM, 8KX8, 22ns, CMOS, PDSO28, 0.350 INCH, PLASTIC, SOIC-28
STK16C68-S20I	ETC	获取价格	8K x 8 AutoStorePlus? nvSRAM QuantumTrap? CMOS Nonvolatile Static RAM
STK16C68-S25	ETC	获取价格	NVRAM (EEPROM Based)
STK16C68-S25I	SIMTEK	获取价格	Non-Volatile SRAM, 8KX8, 25ns, CMOS, PDSO28, 0.350 INCH, PLASTIC, SOIC-28
STK16C68-S35	SIMTEK	获取价格	Non-Volatile SRAM, 8KX8, 35ns, CMOS, PDSO28, 0.350 INCH, PLASTIC, SOIC-28
STK16C68-S35I	ETC	获取价格	NVRAM (EEPROM Based)
STK16C68-S45	SIMTEK	获取价格	Non-Volatile SRAM, 8KX8, 45ns, CMOS, PDSO28, 0.350 INCH, PLASTIC, SOIC-28
STK16C68-S45I	SIMTEK	获取价格	Non-Volatile SRAM, 8KX8, 45ns, CMOS, PDSO28, 0.350 INCH, PLASTIC, SOIC-28
STK16C68-W20	SIMTEK	获取价格	Non-Volatile SRAM, 8KX8, 22ns, CMOS, PDIP28, 0.600 INCH, PLASTIC, DIP-28
STK16C68-W20I	ETC	获取价格	8K x 8 AutoStorePlus? nvSRAM QuantumTrap? CMOS Nonvolatile Static RAM

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