Datasheet > STK11C68-5L25M

STK11C68-5L25M

更新时间： 2022-12-01 20:13:16

品牌	Logo	应用领域
SIMTEK		静态存储器
页数	文件大小	规格书
10页	314K
描述
Non-Volatile SRAM, 8KX8, 25ns, CMOS, CQCC28, CERAMIC, LCC-28

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STK11C68-5L25M 数据手册

STK11C68

STK11C68-M SMD#5962-92324

8K x 8 nvSRAM

QuantumTrap™ CMOS

Nonvolatile Static RAM

FEATURES

DESCRIPTION

• 25ns, 35ns, 45ns and 55ns Access Times

The Simtek STK11C68 is a fast static RAM with a

nonvolatile element incorporated in each static

memory cell. The SRAM can be read and written an

unlimited number of times, while independent non-

volatile data resides in the Nonvolatile Elements.

Data transfers from the SRAM to the Nonvolatile Ele-

ments (the STORE operation), or from Nonvolatile

Elements to SRAM (the RECALL operation), take

place using a software sequence. Transfers from the

Nonvolatile Elements to the SRAM (the RECALL

operation) also take place automatically on restora-

tion of power.

• STORE to Nonvolatile Elements Initiated by

Software

• 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 (Industrial/Commercial)

• 100-Year Data Retention (Industrial/Commer-

cial)

• Commercial, Industrial and Military Tempera-

tures

• 28-Pin DIP, SOIC and LCC Packages

The STK11C68 is pin-compatible with industry-

standard SRAMs. MIL-STD-883 device is also

available (STK11C68-M).

BLOCK DIAGRAM

PIN CONFIGURATIONS

A₁₂

A₇

V_CC

QUANTUM TRAP

128 x 512

A₈

A₆

A₅

A₆

A₅

A₉

STORE

A₄

A₁₁

A₁₀

STORE/

RECALL

A₃

A₇

A₈

A₉

A₂

STATIC RAM

ARRAY

CONTROL

A₁

RECALL

A₀

DQ₇

DQ₆

DQ₅

DQ₄

DQ₃

128 x 512

DQ₀

DQ₁

DQ₂

V_SS

A₁₁

A₁₂

SOFTWARE

DETECT

- A

28 - LCC

28 - DIP

28 - SOIC

COLUMN I/O

PIN NAMES

COLUMN DEC

- A

Address Inputs

Write Enable

Data In/Out

Chip Enable

Output Enable

Power (+ 5V)

Ground

A A

1 4

2 3

DQ - DQ

September 2003

Document Control # ML0007 rev 0.1

12 3 4 5 6 7...10

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