X25057PI-2.7 datasheet, PDF - EEWORLD Datasheet

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X25057PI-2.7: DescriptionEEPROM, 512X8, Serial, CMOS, PDIP8, PLASTIC, DIP-8; Categorystorage storage; File Size72KB，16 Pages; ManufacturerXicor Inc.

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X25057PI-2.7 Overview

EEPROM, 512X8, Serial, CMOS, PDIP8, PLASTIC, DIP-8

X25057PI-2.7 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Xicor Inc.
package instruction	PLASTIC, DIP-8
Reach Compliance Code	unknown
Maximum clock frequency (fCLK)	5 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	4096 bit
Memory IC Type	EEPROM
memory width	8
Number of functions	1
Number of terminals	8
word count	512 words
character code	512
Operating mode	SYNCHRONOUS
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
organize	512X8
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
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	3/5 V
Certification status	Not Qualified
Maximum seat height	4.32 mm
Serial bus type	SPI
Maximum standby current	0.000001 A
Maximum slew rate	0.003 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.7 V
Nominal supply voltage (Vsup)	5 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
Maximum time at peak reflow temperature	NOT SPECIFIED
width	7.62 mm
Maximum write cycle time (tWC)	10 ms
write protect	HARDWARE/SOFTWARE

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X25057

DESCRIPTION

512 x 8 Bit

5MHz Low Power SPI Serial E

PROM with IDLock™ Memory

FEATURES

• 5MHz Clock Rate

• IDLock™ Memory

—IDLock First or Last Page, Any 1/4 or Lower 1/2

of E

PROM Array

• Low Power CMOS

—<1

A Standby Current

—<3mA Active Current during Write

—<400

A Active Current during Read

• 1.8V to 3.6V, 2.7V-5.5V or 4.5V to 5.5V Operation

• Built-in Inadvertent Write Protection

—Power-Up/Power-Down Protection Circuitry

—Write Enable Latch

—Write Protect Pin

• SPI Modes (0,0 & 1,1)

• 512 x 8 Bits

—16 Byte Page Mode

• Self-Timed Write Cycle

—5ms Write Cycle Time (Typical)

• High Reliability

—Endurance: 100,000 Cycles/Byte

—Data Retention: 100 Years

—ESD: 2000V on all pins

• 8-Lead MSOP Package

• 8-Lead TSSOP Package

• 8-Lead SOIC Package

• 8-Lead PDIP Package

FUNCTIONAL DIAGRAM

COMMAND

DECODE

AND

CONTROL

LOGIC

DATA REGISTER

Y DECODE LOGIC

SCK

DECODE

LOGIC

The X25057 is a CMOS 4K-bit serial E

PROM, internally

organized as 512 x 8. The X25057 features a Serial

Peripheral Interface (SPI) and software protocol

allowing operation on a simple four-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.

IDLock is a programmable locking mechanism which

allows the user to lock system ID and parametric data in

different portions of the E

PROM memory space,

ranging from as little as one page to as much as 1/2 of

the total array. The X25057 also features a WP pin that

can be used for hardwire protection of the part, disabling

all write attempts, as well as a Write Enable Latch that

must be set before a write operation can be initiated.

The X25057 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.

4K E

PROM

ARRAY

(512 x 8)

WRITE CONTROL LOGIC

HIGH VOLTAGE

CONTROL

7033 FRM F01

Xicor, Inc. 1994 – 1997 Patents Pending

7033-1.1 5/8/97 T1/C0/D0 SH

Characteristics subject to change without notice

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