X25020PI-3 datasheet, PDF - EEWORLD Datasheet

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X25020PI-3: DescriptionEEPROM, 256X8, Serial, CMOS, PDIP8, PLASTIC, DIP-8; Categorystorage storage; File Size60KB，14 Pages; ManufacturerXicor Inc.

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X25020PI-3 Overview

EEPROM, 256X8, Serial, CMOS, PDIP8, PLASTIC, DIP-8

X25020PI-3 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
package instruction	PLASTIC, DIP-8
Reach Compliance Code	unknown
Other features	100K ENDURANCE CYCLES; DATA RETENTION = 100 YEARS
Maximum clock frequency (fCLK)	1 MHz
Data retention time - minimum	100
Durability	100000 Write/Erase Cycles
JESD-30 code	R-PDIP-T8
JESD-609 code	e0
length	10.03 mm
memory density	2048 bit
Memory IC Type	EEPROM
memory width	8
Number of functions	1
Number of terminals	8
word count	256 words
character code	256
Operating mode	SYNCHRONOUS
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
organize	256X8
Output characteristics	3-STATE
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Encapsulate equivalent code	DIP8,.3
Package shape	RECTANGULAR
Package form	IN-LINE
Parallel/Serial	SERIAL
power supply	3.3/5 V
Certification status	Not Qualified
Maximum seat height	4.32 mm
Serial bus type	SPI
Maximum standby current	0.00015 A
Maximum slew rate	0.003 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	3 V
Nominal supply voltage (Vsup)	3 V
surface mount	NO
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
width	7.62 mm
Maximum write cycle time (tWC)	10 ms
write protect	HARDWARE/SOFTWARE
Base Number Matches	1

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PPLICATION

OTES

A V A I L A B L E

AN9 •

X25020

AN18 • AN31 • AN37 • AN40

X25020

SPI Serial E

PROM with Block Lock

Protection

DESCRIPTION

256 x 8 Bit

FEATURES

•

1MHz Clock Rate

SPI Modes (0,0 & 1,1)

256 X 8 Bits

—4 Byte Page Mode

Low Power CMOS

—10

A Standby Current

—3mA Active Write Current

2.7V To 5.5V Power Supply

Block Lock Protection

—Protect 1/4, 1/2 or all of E

PROM Array

Built-in Inadvertent Write Protection

—Power-Up/Power-Down protection circuitry

—Write Latch

—Write Protect Pin

Self-Timed Write Cycle

—5ms Write Cycle Time (Typical)

High Reliability

—Endurance: 100,000 cycles per byte

—Data Retention: 100 Years

—ESD protection: 2000V on all pins

8-Lead PDlP Package

8-Lead SOIC Package

The X25020 is a CMOS 2048-bit serial E

PROM, inter-

nally organized as 256 x 8. The X25020 features a serial

interface and software protocol allowing operation on a

simple three-wire bus. The bus signals are a clock input

(SCK) plus separate data in (SI) and data out (SO) lines.

Access to the device is controlled through a chip select

(CS) input, allowing any number of devices to share the

same bus.

The X25020 also features two additional inputs that

provide the end user with added flexibility. By asserting

the

HOLD

input, the X25020 will ignore transitions on its

inputs, thus allowing the host to service higher priority

interrupts. The

input can be used as a hardwire input

to the X25020 disabling all write attempts, thus providing

a mechanism for limiting end user capability of altering

the memory.

The X25020 utilizes Xicor’s proprietary Direct Write™

cell, providing a minimum endurance of 100,000 cycles

per byte and a minimum data retention of 100 years.

FUNCTIONAL DIAGRAM

STATUS

WRITE

PROTECT

LOGIC

X DECODE

LOGIC

SCK

HOLD

COMMAND

DECODE

AND

CONTROL

LOGIC

256 BYTE

ARRAY

16 X 32

32 X 32

WRITE

CONTROL

AND

TIMING

LOGIC

Y DECODE

DATA REGISTER

Direct Write

™

and Block Lock

™

Protection is a trademark of Xicor, Inc.

3834-1.8 6/10/96 T3/C1/D0 NS

3834 FHD F01

Characteristics subject to change without notice

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