Datasheet > X24320P-1.8

X24320P-1.8

更新时间： 2024-11-08 03:54:15

品牌	Logo	应用领域
ICMIC		可编程只读存储器
页数	文件大小	规格书
17页	302K
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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X24320P-1.8 数据手册

This X24320 device has been acquired by

IC MICROSYSTEMS from Xicor, Inc.

ICmic

4K x 8 Bit

IC MICROSYSTEMS

32K

X24320

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

FEATURES

DESCRIPTION

The X24320 is a CMOS Serial E²PROM, internally

organized 4K x 8. The device features a serial inter-

•Save Critical Data with Programmable

Block Lock Protection

—Block Lock (0, 1/4, 1/2, or all of E²PROM Array)

—Software Write Protection

face and software protocol allowing operation on a

simple two wire bus. The bus operates at 400 KHz all

the way down to 1.8V.

—Programmable Hardware Write Protect

•In Circuit Programmable ROM Mode

Three device select inputs (S₀–S₂) allow up to eight

devices to share a common two wire bus.

•400KHz 2-Wire Serial Interface

—Schmitt Trigger Input Noise Suppression

—Output Slope Control for Ground Bounce

Noise Elimination

A Write Protect Register at the highest address location,

FFFFh, provides three write protection features:

•Longer Battery Life With Lower Power

Software Write Protect, Block Lock Protect, and

Programmable Hardware Write Protect. The Software

—Active Read Current Less Than 1mA

—Active Write Current Less Than 3mA

—Standby Current Less Than 1µA

Write Protect feature prevents any nonvolatile writes to the

device until the WEL bit in the Write Protect

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

Power Supply Versions

the user four array block protect options, set by

•32 Word Page Write Mode

—Minimizes Total Write Time Per Word

•Internally Organized 4K x 8

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

V_CC, write to and Block Lock the desired portions of

•Bidirectional Data Transfer Protocol

•Self-Timed Write Cycle

—Typical Write Cycle Time of 5ms

the memory array in circuit, and then enable the In

Circuit Programmable ROM Mode by programming the

•High Reliability

—Endurance: 100,000 Cycles

WPEN bit HIGH in the Write Protect Register. After this,

the Block Locked portions of the array, including

—Data Retention: 100 Years

•8-Lead SOIC

the Write Protect Register itself, are permanently

protected from being erased.

•14-Lead TSSOP

•8-Lead PDIP

FUNCTIONAL DIAGRAM

SERIAL E²PROM DATA

AND ADDRESS (SDA)

DATA REGISTER

Y DECODE LOGIC

COMMAND

DECODE

AND

CONTROL

LOGIC

SERIAL E²PROM

SCL

ARRAY

4K x 8

PAGE

DECODE

LOGIC

1K x 8

BLOCK LOCK AND

WRITE PROTECT

CONTROL LOGIC

DEVICE

SELECT

LOGIC

WRITE

PROTECT

2K x 8

WRITE VOLTAGE

CONTROL

7035 FM 01

Xicor, 1995, 1996 Patents Pending

Characteristics subject to change without notice

7035-1.2 4/25/97 T0/C2/D0 SH

12 3 4 5 6 7...17

中文翻译

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与X24320P-1.8相关器件

型号	品牌	获取价格	描述	数据表
X24320P-2.5	ICMIC	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24320P-2.5	XICOR	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24320PG	ICMIC	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24320PG-1.8	ICMIC	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24320PG-2.5	ICMIC	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24320PI	ICMIC	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24320PI	XICOR	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24320PI-1.8	XICOR	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24320PI-1.8	ICMIC	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock
X24320PI-2.5	ICMIC	获取价格	400KHz 2-Wire Serial E2PROM with Block Lock

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