Datasheet > BQ4013LY

BQ4013LY

更新时间： 2024-12-01 03:22:27

品牌	Logo	应用领域
德州仪器 - TI		静态存储器
页数	文件大小	规格书
15页	165K
描述
128 k X 8 NONVOLATILE SRAM (5 V, 3.3 V)

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数据手册

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BQ4013LY 数据手册

bq4013/Y/LY

www.ti.com

SLUS121A–MAY 1999–REVISED MAY 2007

128 k × 8 NONVOLATILE SRAM (5 V, 3.3 V)

FEATURES

GENERAL DESCRIPTION

•

Data Retention for at least 10 Years Without

Power

The CMOS bq4013/Y/LY is

nonvolatile

1,048,576-bit static RAM organized as 131,072

words by 8 bits. The integral control circuitry and

lithium energy source provide reliable nonvolatility

coupled with the unlimited write cycles of standard

SRAM.

Automatic Write-Protection During

Power-up/Power-down Cycles

Conventional SRAM Operation, Including

Unlimited Write Cycles

The control circuitry constantly monitors the single

supply for an out-of-tolerance condition. When V_CC

falls out of tolerance, the SRAM is unconditionally

write-protected to prevent an inadvertent write

operation.

Internal Isolation of Battery before Power

Application

•

5-V or 3.3-V Operation

Industry Standard 32-Pin DIP Pinout

At this time the integral energy source is switched on

to sustain the memory until after V_CCreturns valid.

The bq4013/Y/LY uses extremely low standby

current CMOS SRAMs, coupled with small lithium

coin cells to provide nonvolatility without long

write-cycle times and the write-cycle limitations

associated with EEPROM.

The bq4013/Y/LY requires no external circuitry and is

compatible with the industry-standard 1-Mb SRAM

pinout.

PIN CONNECTIONS

32−Pin DIP Module

(TOP VIEW)

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...15

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