Datasheet > 存储 > OTP ROM> BQ2022

BQ2022

更新时间： 2024-10-27 22:48:27

品牌	Logo	应用领域
德州仪器 - TI		可编程只读存储器电动程控只读存储器
页数	文件大小	规格书
19页	181K
描述
1K-BIT SERLAL EPROM WITH SDQ INTERFACE

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中文翻译

获取价格

数据手册

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BQ2022 数据手册

www.ti.com

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SLUS526B − OCTOBER 2002 − REVISED OCTOBER 2003

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FEATURES

DESCRIPTION

1024 bits of One-Time Programmable (OTP)

EPROM For Storage Of User-Programmable

Configuration Data

The bq2022 is a 1K-bit serial EPROM containing a factory

programmed unique 48-bit identification number, 8-bit

CRC generation, and the 8-bit family code (09h). A 64-bit

status register controls write protection and page

redirection.

Factory-Programmed Unique 64-Bit

Identification Number

Bus-Interface Architecture Allowing Multiple

bq2022s Attached to a Single Host

The bq2022 SDQ interface (TI’s proprietary serial

Single-Wire Interface to Reduce Circuit

Board Routing

communications protocol) requires only

single

connection and a ground return. The DATA pin is also the

sole power source for the bq2022. The bus architecture

allows multiple SDQ devices to be connected to a single

host.

Synchronous Communication Reduces Host

Interrupt Overhead

No Standby Power Required

Available in a 3-Pin SOT23 Package

The small surface-mount package options saves

printed-circuit-board space, while the low cost makes it

ideal for applications such as battery pack configuration

parameters, record maintenance, asset tracking, product-

revision status, and access-code security.

APPLICATIONS

Security Encoding

Inventory Tracking

Product-Revision Maintenance

Battery-Pack Identification

ORDERING INFORMATION

PACKAGED DEVICES

SOT23−3

−20°C to 70°C

bq2022DBZR

(1)

(2)

Device assured to communicate at −40°C to 85°C.

The device is available only in tape and reel with a base quantity of

3000 units.

BLOCK DIAGRAM

DBZR PACKAGE

(TOP VIEW)

ID ROM

(64 bits)

Internal

Bus

SDQ

VSS

SDQ

VSS

SDQ Communications

Controller and 8-Bit CRC

Generation Circuit

EPROM

MEMORY

(1024 bits)

VSS

EPROM

STATUS

(64 bits)

RAM

Buffer

(8 bytes)

UDG−02054

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.

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12 3 4 5 6 7...19

中文翻译

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与BQ2022相关器件

型号	品牌	获取价格	描述	数据表
BQ2022A	TI	获取价格	1K-BIT SERIAL EPROM WITH SDQ INTERFACE
BQ2022A_17	TI	获取价格	1K-Bit Serial EPROM with SDQ Interface
BQ2022ADBZR	TI	获取价格	1K-BIT SERIAL EPROM WITH SDQ INTERFACE
BQ2022ADBZRG4	TI	获取价格	1K-BIT SERIAL EPROM WITH SDQ INTERFACE
BQ2022ALPR	TI	获取价格	1K-BIT SERIAL EPROM WITH SDQ INTERFACE
BQ2022ALPRE3	TI	获取价格	1KX1 OTPROM, BCY3, GREEN, PLASTIC, TO-92, 3 PIN
BQ2022DBZR	TI	获取价格	1K-BIT SERLAL EPROM WITH SDQ INTERFACE
BQ2022DBZRG4	TI	获取价格	1K-BIT SERLAL EPROM WITH SDQ INTERFACE
BQ2023	TI	获取价格	SINGLE-WIRE ADVANCED BATTERY MONITOR IC FOR CELLULAR AND PDA APPLICATIONS
BQ2023PW	TI	获取价格	SINGLE-WIRE ADVANCED BATTERY MONITOR IC FOR CELLULAR AND PDA APPLICATIONS

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