Datasheet > X24640S8-1.8T1

X24640S8-1.8T1

更新时间： 2024-02-11 02:33:01

品牌	Logo	应用领域
XICOR		可编程只读存储器电动程控只读存储器电可擦编程只读存储器时钟光电二极管内存集成电路
页数	文件大小	规格书
19页	285K
描述
EEPROM, 8KX8, Serial, CMOS, PDSO8, PLASTIC, SOIC-8

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中文翻译

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技术参数
数据手册

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X24640S8-1.8T1 技术参数

生命周期：	Obsolete	包装说明：	SOP,
Reach Compliance Code：	unknown	风险等级：	5.84
最大时钟频率 (fCLK)：	0.4 MHz	JESD-30 代码：	R-PDSO-G8
长度：	4.9 mm	内存密度：	65536 bit
内存集成电路类型：	EEPROM	内存宽度：	8
功能数量：	1	端子数量：	8
字数：	8192 words	字数代码：	8000
工作模式：	SYNCHRONOUS	最高工作温度：	70 °C
最低工作温度：		组织：	8KX8
输出特性：	OPEN-DRAIN	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	并行/串行：	SERIAL
认证状态：	Not Qualified	座面最大高度：	1.75 mm
串行总线类型：	I2C	最大供电电压 (Vsup)：	3.6 V
最小供电电压 (Vsup)：	1.8 V	标称供电电压 (Vsup)：	3.3 V
表面贴装：	YES	技术：	CMOS
温度等级：	COMMERCIAL	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
宽度：	3.9 mm	最长写入周期时间 (tWC)：	10 ms
Base Number Matches：	1

X24640S8-1.8T1 数据手册

64K

8K x 8 Bit

X24640

400KHz 2-Wire Serial E²PROM with Block Lock^™

DESCRIPTION

FEATURES

• Save Critical Data with Programmable Block

Lock Protection

The X24640 is a CMOS Serial E²PROM, internally

organized 8K x 8.The device features a serial interface

and software protocol allowing operation on a simple

two wire bus. The bus operates at 400 KHz all the way

down to 1.8V.

—Block lock (0, 1/4, 1/2, or all of E²PROM array)

—Software program protection

—Programmable hardware write protect

• In Circuit Programmable ROM Mode

• 400KHz 2-Wire Serial Interfac

—Schmitt trigger input noise suppression

—Output slope control for ground bounce noise

elimination

Three device select inputs (S –S ) allow up to eight

devices to share a common two wire bus.

A Write Protect Register at the highest address location,

FFFFh, provides three write protection features: Software

Write Protect, Block Lock Protect, and Programmable

Hardware Write Protect. The Software Write Protect

feature prevents any nonvolatile writes to the device

until the WEL bit in the Write Protect Register is set.

The Block Lock Protection feature gives the user four

array block protect options, set by programming two

bits in the Write Protect Register. The Programmable

Hardware Write Protect feature allows the user to

• Longer Battery Life With Lower Power

—Active read current less than 1mA

—Active program current less than 3mA

—Standby current less than 1µA

• 1.8V to 3.6V, 2.5V to 5.5V and 4.5V to 5.5V Power

Supply Versions

• 32 Word Page Write Mode

—Minimizes total write time per word

• Internally Organized 8K x 8

• Bidirectional Data Transfer Protocol

• Self-Timed Write Cycle

—Typical Write Cycle Time of 5ms

• High Reliability

—Endurance: 100,000 cycles

—Data retention: 100 years

• 8-Lead SOIC

install the device with WP tied to V , program and

Block Lock the desired portions of the memory array in

circuit, and then enable the In Circuit Programmable

ROM Mode by programming the WPEN bit in the Write

Protect Register. After this, the Block Locked portions

of the array, including the Write Protect Register itself,

are permanently protected from being erased.

Xicor E²PROMs are designed and tested for applica-

tions requiring extended endurance. Inherent data

retention is greater than 100 years.

• 20-Lead TSSOP

• 8-Lead PDIP

BLOCK DIAGRAM

Data Register

Serial E²PROM Data

and Address (SDA)

Y Decode Logic

Serial E²PROM

Command

SCL

Page

Decode

Logic

Array

Decode

and

Control

Logic

8K x 8

2K x 8

Block Lock and

Write Protect

Control Logic

Device

Select

Logic

Write

Protect

4K x 8

Write Voltage

Control

Xicor, Inc. 2000 Patents Pending

7038-1.2 10/27/00 EP

Characteristics subject to change without notice. 1 of 19

12 3 4 5 6 7...19

中文翻译

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与X24640S8-1.8T1相关器件

型号	品牌	获取价格	描述	数据表
X24640S8-2.5	XICOR	获取价格	400KHz 2-Wire Serial E 2 PROM with Block Lock
X24640S8I	XICOR	获取价格	400KHz 2-Wire Serial E 2 PROM with Block Lock
X24640S8I-1.8	XICOR	获取价格	400KHz 2-Wire Serial E 2 PROM with Block Lock
X24640S8I-2.5	XICOR	获取价格	400KHz 2-Wire Serial E 2 PROM with Block Lock
X24640S8IT1	XICOR	获取价格	EEPROM, 8KX8, Serial, CMOS, PDSO8, PLASTIC, SOIC-8
X24640V20	XICOR	获取价格	400KHz 2-Wire Serial E 2 PROM with Block Lock
X24640V20-1.8	XICOR	获取价格	400KHz 2-Wire Serial E 2 PROM with Block Lock
X24640V20-2.5	XICOR	获取价格	400KHz 2-Wire Serial E 2 PROM with Block Lock
X24640V20I	XICOR	获取价格	400KHz 2-Wire Serial E 2 PROM with Block Lock
X24640V20I-1.8	XICOR	获取价格	400KHz 2-Wire Serial E 2 PROM with Block Lock

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