X84640PG-2.5 datasheet, PDF - EEWORLD Datasheet

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X84640PG-2.5: DescriptionEEPROM, 8KX8, Serial, CMOS, PDIP8, ROHS COMPLIANT, PLASTIC, DIP-8; Categorystorage storage; File Size562KB，22 Pages; ManufacturerIC Microsystems Sdn Bhd; Environmental Compliance

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X84640PG-2.5 Overview

EEPROM, 8KX8, Serial, CMOS, PDIP8, ROHS COMPLIANT, PLASTIC, DIP-8

X84640PG-2.5 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	IC Microsystems Sdn Bhd
Parts packaging code	DIP
package instruction	DIP,
Contacts	8
Reach Compliance Code	unknown
ECCN code	EAR99
Maximum clock frequency (fCLK)	5 MHz
JESD-30 code	R-PDIP-T8
length	10.03 mm
memory density	65536 bit
Memory IC Type	EEPROM
memory width	8
Number of functions	1
Number of terminals	8
word count	8192 words
character code	8000
Operating mode	SYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	8KX8
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Package shape	RECTANGULAR
Package form	IN-LINE
Parallel/Serial	SERIAL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Maximum seat height	4.32 mm
Serial bus type	3-WIRE
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.5 V
Nominal supply voltage (Vsup)	3 V
surface mount	NO
technology	CMOS
Temperature level	COMMERCIAL
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	7.62 mm
Maximum write cycle time (tWC)	5 ms

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Preliminary Information

This X84160/640/128 device has been acquired by

IC MICROSYSTEMS from Xicor, Inc.

ICmic

IC MICROSYSTEMS

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 1µA

—

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 voltage,

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 Hardware

Write Protection. These allow some or all of the array to

be write protected by software command or by hardware.

System Configuration, Company ID, calibration 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

applications requiring extended endurance. Inherent data

retention is greater than 100 years.

DESCRIPTION

The µPort Saver memories need no serial ports or special

hardware and connect to the processor memory bus.

Replacing bytewide data memory, the µPort Saver uses

BLOCK DIAGRAM

System Connection

µP

µC

A15

Internal Block Diagram MPS

H.V. GENERATION

TIMING & CONTROL

DSP

ASIC

RISC

Ports

Saved

P0/CS

P1/CLK

P2/DI

I/O

COMMAND

DECODE

AND

CONTROL

DEC

EEPROM

ARRAY

16K x 8

8K x 8

2K x 8

LOGIC

P3/DO

Y DECODE

DATA REGISTER

Xicor, Inc. 1998 Patents Pending

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

Characteristics subject to change without notice

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