Datasheet > 存储 > SRAM> BQ4010YMA-85N

BQ4010YMA-85N

更新时间： 2024-11-29 22:08:39

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
12页	747K
描述
8Kx8 Nonvolatile SRAM

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中文翻译

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数据手册
替代型号

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BQ4010YMA-85N 数据手册

bq4010/bq4010Y

8Kx8 Nonvolatile SRAM

At t his tim e th e int egr a l ener gy

Features

➤ Data retention in the absence of

General Description

source is switched on to sustain the

memory until after V_CCreturns valid.

The CMOS bq4010 is a nonvolatile

65,536-bit static RAM organized as

8,192 words by 8 bits. The integral

control circuitry and lithium energy

source provide reliable nonvolatility

coupled with th e u nlim ited wr ite

cycles of standard SRAM.

power

The bq4010 uses an extremely low

s t a n d by cu r r en t CMOS SR AM,

coupled with a small lithium coin

cell to provide nonvolatility without

long write-cycle times and the write-

cycle lim it a tion s a ssocia ted with

EEPROM.

➤ Automatic write-protection

during power-up/power-down

cycles

➤ Industry-standard 28-pin 8K x 8

pinout

Th e con t r ol cir cu it r y con st a n t ly

monitors the single 5V supply for an

out-of-tolerance condition. When V_CC

falls out of tolerance, the SRAM is

un conditionally wr ite-protected to

prevent inadvertent write operation.

➤ Conventional SRAM operation;

The bq4010 requires no external cir-

cuitry and is socket-compatible with

industry-standard SRAMs and most

EPROMs and EEPROMs.

unlimited write cycles

➤ 10-year minimum data retention

in absence of power

➤ Battery internally isolated until

power is applied

Pin Connections

Pin Names

Block Diagram

A₀–A₁₂

Address inputs

DQ₀–DQ₇Data input/output

Chip enable input

Output enable input

Write enable input

No connect

V_CC

V_SS

+5 volt supply input

Ground

Selection Guide

Maximum

Access

Negative

Supply

Maximum

Access

Negative

Supply

Part

Number

Time (ns)

Tolerance

Number

Time (ns)

Tolerance

bq4010Y -70

bq4010Y -85

bq4010Y -150

bq4010Y -200

-10%

bq4010 -85

-5%

bq4010 -150

bq4010 -200

150

200

150

200

Sept. 1996 D

12 3 4 5 6 7...12

中文翻译

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BQ4010YMA-85N 替代型号

型号	品牌	替代类型	描述	数据表
BQ4010YMA-85	TI	类似代替	8Kx8 Nonvolatile SRAM
BQ4010MA-85	TI	类似代替	8Kx8 Nonvolatile SRAM
DS1225AB-85+	MAXIM	功能相似	Non-Volatile SRAM Module, 8KX8, 85ns, CMOS, PDMA28, 0.720 INCH, ROHS COMPLIANT, DIP-28

与BQ4010YMA-85N相关器件

型号	品牌	获取价格	描述	数据表
BQ4011	TI	获取价格	32Kx8 Nonvolatile SRAM
BQ4011-100	TI	获取价格	32Kx8 Nonvolatile SRAM
BQ4011-150	TI	获取价格	32Kx8 Nonvolatile SRAM
BQ4011-200	TI	获取价格	32Kx8 Nonvolatile SRAM
BQ4011LYMA-70N	TI	获取价格	IC 32K X 8 NON-VOLATILE SRAM MODULE, 70 ns, PDMA28, ROHS COMPLIANT, PLASTIC, DIP-28, Stati
BQ4011MA-100	TI	获取价格	32Kx8 Nonvolatile SRAM
BQ4011MA-100N	TI	获取价格	32Kx8 Nonvolatile SRAM
BQ4011MA-120	TI	获取价格	128Kx8 Nonvolatile SRAM
BQ4011MA-120N	TI	获取价格	128Kx8 Nonvolatile SRAM
BQ4011MA-150	TI	获取价格	32Kx8 Nonvolatile SRAM

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