Datasheet > 存储 > EEPROM> X24128

X24128

更新时间： 2024-10-31 22:35:27

品牌	Logo	应用领域
XICOR		可编程只读存储器
页数	文件大小	规格书
17页	89K
描述
400KHz 2-Wire Serial E2PROM with Block Lock

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中文翻译

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数据手册

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X24128 数据手册

128K

16K x 8 Bit

X24128

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

FEATURES

DESCRIPTION

• Save Critical Data with Programmable

Block Lock Protection

—Block Lock (0, 1/4, 1/2, or all of E PROM Array)

The X24128 is a CMOS Serial E PROM, internally

organized 16K x 8. The device features a serial inter-

face and software protocol allowing operation on a

simple two wire bus.

—Software Write Protection

—Programmable Hardware Write Protect

• In Circuit Programmable ROM Mode

• 400KHz 2-Wire Serial Interface

—Schmitt Trigger Input Noise Suppression

—Output Slope Control for Ground Bounce

Noise Elimination

• Longer Battery Life With Lower Power

—Active Read Current Less Than 1mA

—Active Write 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

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 loca-

tion, 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

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 install the device with WP tied to

• 32 Word Page Write Mode

—Minimizes Total Write Time Per Word

• Internally Organized 16K x 8

• Bidirectional Data Transfer Protocol

• Self-Timed Write Cycle

, write to 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 HIGH 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.

—Typical Write Cycle Time of 5ms

• High Reliability

—Endurance: 100,000 Cycles

—Data Retention: 100Years

• 14-Lead SOIC

• 16-Lead SOIC

• 8-Lead PDIP

FUNCTIONAL DIAGRAM

DATA REGISTER

Y DECODE LOGIC

SERIAL E²PROM DATA

AND ADDRESS (SDA)

COMMAND

DECODE

AND

CONTROL

LOGIC

SERIAL E²PROM

SCL

ARRAY

PAGE

16K x 8

DECODE

LOGIC

4K x 8

BLOCK LOCK AND

WRITE PROTECT

CONTROL LOGIC

4K x 8

8K x 8

DEVICE

SELECT

LOGIC

WRITE

PROTECT

WRITE VOLTAGE

CONTROL

7027 FM 01

Xicor, 1995, 1996 Patents Pending

7027-1.3 5/14/97 T2/C0/D2 SH

Characteristics subject to change without notice

12 3 4 5 6 7...17

中文翻译

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与X24128相关器件

型号	品牌	获取价格	描述	数据表
X24128P	XICOR	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24128P-1.8	XICOR	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24128P-2.5	XICOR	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24128PI	XICOR	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24128PI-1.8	XICOR	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24128PI-2.5	XICOR	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24128S	XICOR	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24128S-1.8	XICOR	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24128S-1.8T1	XICOR	获取价格	EEPROM, 16KX8, Serial, CMOS, PDSO16, PLASTIC, SOIC-16
X24128S-1.8T2	XICOR	获取价格	EEPROM, 16KX8, Serial, CMOS, PDSO16, PLASTIC, SOIC-16

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