X84128V28-1.8 datasheet, PDF - EEWORLD Datasheet

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X84128V28-1.8: DescriptionEEPROM, 16KX8, Serial, CMOS, PDSO28, PLASTIC, TSSOP-28; Categorystorage storage; File Size513KB，22 Pages; ManufacturerXicor Inc.

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X84128V28-1.8 Overview

EEPROM, 16KX8, Serial, CMOS, PDSO28, PLASTIC, TSSOP-28

X84128V28-1.8 Parametric

Parameter Name	Attribute value
Maker	Xicor Inc.
package instruction	PLASTIC, TSSOP-28
Reach Compliance Code	unknown
JESD-30 code	R-PDSO-G28
length	10 mm
memory density	131072 bit
Memory IC Type	EEPROM
memory width	8
Number of functions	1
Number of terminals	28
word count	16384 words
character code	16000
Operating mode	SYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	16KX8
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Parallel/Serial	SERIAL
Certification status	Not Qualified
Maximum seat height	1.2 mm
Serial bus type	3-WIRE
Maximum supply voltage (Vsup)	3.6 V
Minimum supply voltage (Vsup)	1.8 V
Nominal supply voltage (Vsup)	2 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
width	4.4 mm
Maximum write cycle time (tWC)	5 ms

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Preliminary Information

PPLICATION

OTE

A V A I L A B L E

AN95 • AN103 • AN107

16K/64K/128K

X84160/640/128

MPS



EEPROM

Advanced MPS™ Micro Port Saver EEPROM with Block Lock™ Protection

FEATURES

• Up to 15MHz data transfer rate

• 20ns 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 1

—Active Current Less than 1mA

• Byte or Page Write Capable

—32-Byte Page Write Mode

• New Programmable Block Lock™ Protection

—Software Write Protection

—Programmable Hardware Write Protection

• Block Lock (0, 1/4, 1/2, or all of the array)

• Typical Nonvolatile Write Cycle Time: 3ms

• High Reliability

—100,000 Endurance Cycles

—Guaranteed Data Retention: 100 Years

• Small Package Options

—8-Lead Mini-DIP Package

—8, 14-Lead SOIC Packages

—8, 20, 28-Lead TSSOP Packages

—8-Lead XBGA Packages

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 20ns 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

15MHz, 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.

The X84160/640/128 provide additional data security

features through Block Lock and programmable Hard-

ware Write Protection. These allow some or all of the

array to be write protected by software command or by

hardware. System Conﬁguration, Company ID, calibra-

tion information, or other critical data can be secured

against unexpected or inadvertent program operations,

leaving the remainder of the memory available for the

system or user access

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.

Internal Block Diagram MPS

H.V. GENERATION

TIMING & CONTROL

DESCRIPTION

BLOCK DIAGRAM

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

System Connection

µP

µC

A15

DSP

ASIC

RISC

P0/CS

P1/CLK

P2/DI

P3/DO

I/O

COMMAND

DECODE

AND

CONTROL

LOGIC

Ports

Saved



Xicor, Inc. 1998 Patents Pending

7067 1.1 6/10/98 T10/C0/D3

DEC

Y DECODE

DATA REGISTER

Characteristics subject to change without notice

EEPROM

ARRAY

16K x 8

8K x 8

2K x 8

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