CAT24WC257J-3TE13 datasheet, PDF

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CAT24WC257J-3TE13: DescriptionEEPROM, 32KX8, Serial, CMOS, PDSO8, SOIC-8; Categorystorage storage; File Size409KB，10 Pages; ManufacturerCatalyst; Websitehttp://www.catalyst-semiconductor.com/

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CAT24WC257J-3TE13 Overview

EEPROM, 32KX8, Serial, CMOS, PDSO8, SOIC-8

CAT24WC257J-3TE13 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Catalyst
Parts packaging code	SOIC
package instruction	SOP, SOP8,.25
Contacts	8
Reach Compliance Code	unknown
ECCN code	EAR99
Is Samacsys	N
Maximum clock frequency (fCLK)	1 MHz
Data retention time - minimum	100
Durability	100000 Write/Erase Cycles
I2C control byte	10100DDR
JESD-30 code	R-PDSO-G8
JESD-609 code	e0
length	4.9 mm
memory density	262144 bit
Memory IC Type	EEPROM
memory width	8
Number of functions	1
Number of terminals	8
word count	32768 words
character code	32000
Operating mode	SYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	32KX8
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Parallel/Serial	SERIAL
Peak Reflow Temperature (Celsius)	240
power supply	3.3/5 V
Certification status	Not Qualified
Maximum seat height	1.75 mm
Serial bus type	I2C
Maximum standby current	0.000001 A
Maximum slew rate	0.003 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	3 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3.9 mm
Maximum write cycle time (tWC)	10 ms
write protect	HARDWARE
Base Number Matches	1

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CAT24WC257

256K-Bit I

C Serial CMOS EEPROM

(CAT24WC257 not recommended for new designs. See CAT24FC257 data sheet.)

GEN

ALO

FEATURES

1MHz I

C bus compatible*

1.8 to 6 volt operation

Low power CMOS technology

64-Byte page write buffer

Self-timed write cycle with auto-clear

Commercial, industrial and automotive

Write protect feature

– Top 1/4 array protected when WP at V

100,000 program/erase cycles

100 year data retention

8-pin DIP or 8-pin SOIC

"Green" package options available

temperature ranges

DESCRIPTION

The CAT24WC257 is a 256K-bit Serial CMOS EEPROM

internally organized as 32,768 words of 8 bits each.

Catalyst’s advanced CMOS technology substantially

reduces device power requirements. The CAT24WC257

features a 64-byte page write buffer. The device operates

via the I

C bus serial interface and is available in 8-pin

DIP or 8-pin SOIC packages.

PIN CONFIGURATION

DIP Package (P, L)

VSS

VCC

SCL

SDA

BLOCK DIAGRAM

EXTERNAL LOAD

DOUT

ACK

VCC

VSS

WORD ADDRESS

BUFFERS

COLUMN

DECODERS

512

SENSE AMPS

SHIFT REGISTERS

SOIC Package (J, W, K, X)

VSS

VCC

SCL

SDA

START/STOP

LOGIC

XDEC

CONTROL

LOGIC

512

EEPROM

512X512

PIN FUNCTIONS

Pin Name

A0, A1

SDA

SCL

Function

Address Inputs

Serial Data/Address

Serial Clock

Write Protect

+1.8V to +6.0V Power Supply

Ground

No Connect

SLAVE

ADDRESS

COMPARATORS

SCL

STATE COUNTERS

DATA IN STORAGE

HIGH VOLTAGE/

TIMING CONTROL

* Catalyst Semiconductor is licensed by Philips Corporation to carry the I

C Bus Protocol.

Characteristics subject to change without notice

Doc. No. 1030, Rev. E

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