Datasheet > X84129S14-1.8

X84129S14-1.8

更新时间： 2024-11-11 22:11:23

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
页数	文件大小	规格书
18页	87K
描述
uPort Saver EEPROM

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中文翻译

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数据手册

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X84129S14-1.8 数据手册

APPLICATION NOTE

A V A I L A B L E

AN95 • AN103 • AN107

16K/64K/128K

MPS EEPROM

X84161/641/129

µPort Saver EEPROM

DESCRIPTION

FEATURES

• Up to 10MHz data transfer rate

• 25ns Read Access Time

• Direct Interface to Microprocessors and

Microcontrollers

—Eliminates I/O port requirements

—No interface glue logic required

—Eliminates need for parallel to serial converters

• Low Power CMOS

—1.8V–3.6V, 2.5V–5.5V and 5V ±10% Versions

—Standby Current Less than 1µA

—Active Current Less than 1mA

• Byte or Page Write Capable

—32-Byte Page Write Mode

• Typical Nonvolatile Write Cycle Time: 2ms

• High Reliability

—100,000 Endurance Cycles

—Guaranteed Data Retention: 100Years

The µPort Saver memories need no serial ports or spe-

cial hardware and connect to the processor memory bus.

Replacing bytewide data memory, the µPort Saver uses

bytewide memory control functions, takes a fraction of

the board space and consumes much less power.

Replacing serial memories, the µPort Saver provides all

the serial beneﬁts, such as low cost, low power, low volt-

age, and small package size while releasing I/Os for

more important uses.

The µPort Saver memory outputs data within 25ns of an

active read signal. This is less than the read access time

of most hosts and provides “no-wait-state” operation.

This prevents bottlenecks on the bus. With rates to 10

MHz, the µPort Saver supplies data faster than required

by most host read cycle speciﬁcations. This eliminates

the need for software NOPs.

The µPort Saver memories communicate over one line of

the data bus using a sequence of standard bus read and

write operations. This “bit serial” interface allows the

µPort Saver to work well in 8-bit, 16 bit, 32-bit, and 64-bit

systems.

A Write Protect (WP) pin prevents inadvertent writes to

the memory.

Xicor EEPROMs are designed and tested for applica-

tions requiring extended endurance. Inherent data reten-

tion is greater than 100 years.

BLOCK DIAGRAM

System Connection

Internal Block Diagram

MPS

H.V. GENERATION

TIMING & CONTROL

A15

µP

µC

DSP

ASIC

RISC

I/O

EEPROM

ARRAY

COMMAND

DECODE

AND

CONTROL

LOGIC

DEC

16K x 8

8K x 8

2K x 8

P0/CS

P1/CLK

P2/DI

Ports

Saved

P3/DO

Y DECODE

DATA REGISTER

7008 FRM F02.1

Xicor, Inc. 1994, 1997Patents Pending

7008-1.2 8/26/97 T2/C0/D0 SH

Characteristics subject to change without notice

12 3 4 5 6 7...18

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与X84129S14-1.8相关器件

型号	品牌	获取价格	描述	数据表
X84129S14-2.5	XICOR	获取价格	uPort Saver EEPROM
X84129S14I	XICOR	获取价格	uPort Saver EEPROM
X84129S14I-1.8	XICOR	获取价格	uPort Saver EEPROM
X84129S14I-2.5	XICOR	获取价格	uPort Saver EEPROM
X84129S14I-2.5T1	XICOR	获取价格	EEPROM, 16KX8, Serial, CMOS, PDSO14, PLASTIC, SOIC-14
X84129S14M	ETC	获取价格	Serial EEPROM
X84129S14M-1.8	ETC	获取价格	Serial EEPROM
X84129S14M-2.5	XICOR	获取价格	EEPROM, 16KX8, Serial, CMOS, PDSO14,
X84129S16-1.8	XICOR	获取价格	EEPROM, 16KX8, Serial, CMOS, PDSO16, PLASTIC, SOIC-16
X84129S16-2.5	XICOR	获取价格	EEPROM, 16KX8, Serial, CMOS, PDSO16, PLASTIC, SOIC-16

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