CAT24FC256JI-1.8REV-A datasheet, PDF

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CAT24FC256JI-1.8REV-A: DescriptionEEPROM, 32KX8, Serial, CMOS, PDSO8, 0.150 INCH, MS-012, SOIC-8; Categorystorage storage; File Size641KB，12 Pages; ManufacturerCatalyst; Websitehttp://www.catalyst-semiconductor.com/

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CAT24FC256JI-1.8REV-A Overview

EEPROM, 32KX8, Serial, CMOS, PDSO8, 0.150 INCH, MS-012, SOIC-8

CAT24FC256JI-1.8REV-A Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Catalyst
Parts packaging code	SOIC
package instruction	SOP,
Contacts	8
Reach Compliance Code	unknown
ECCN code	EAR99
Maximum clock frequency (fCLK)	0.4 MHz
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	85 °C
Minimum operating temperature	-40 °C
organize	32KX8
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Parallel/Serial	SERIAL
Peak Reflow Temperature (Celsius)	240
Certification status	Not Qualified
Maximum seat height	1.75 mm
Serial bus type	I2C
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	1.8 V
Nominal supply voltage (Vsup)	3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	TIN LEAD
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)	5 ms

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CAT24FC256

256K-Bit I

C Serial CMOS EEPROM

FEATURES

Fast mode I

C bus compatible*

Max clock frequency:

Industrial and automotive

temperature ranges

5 ms max write cycle time

Write protect feature

100,000 program/erase cycles

100 year data retention

- 400kHz for V

= 1.8 V to 5.5 V

- 1MHz for V

= 2.5 V to 5.5 V

Schmitt trigger filtered inputs for noise suppression

Low power CMOS technology

64-byte page write buffer

Self-timed write cycle with auto-clear

– Entire array protected when WP at V

8-pin DIP or 8-pin SOIC(JEDEC) and 8-pin SOIC

(EIAJ)

DESCRIPTION

The CAT24FC256 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 CAT24FC256

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

ates 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, GL)

VSS

VCC

SCL

SDA

SOIC Package (J, W, K, X, GW, GX)

VCC

SCL

SDA

PIN FUNCTIONS

Pin Name

A0, A1, A2

SDA

SCL

VSS

EXTERNAL LOAD

VCC

VSS

SDA

BLOCK DIAGRAM

DOUT

ACK

CONTROL

LOGIC

SENSE AMPS

SHIFT REGISTERS

WORD ADDRESS

BUFFERS

COLUMN

DECODERS

512

START/STOP

LOGIC

XDEC

512

EEPROM

512X512

Function

DATA IN STORAGE

Address Inputs

Serial Data/Address

Serial Clock

Write Protect

+1.8V to +5.5V Power Supply

Ground

SLAVE

ADDRESS

COMPARATORS

SCL

STATE COUNTERS

HIGH VOLTAGE/

TIMING CONTROL

No Connect

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

C Bus Protocol.

Characteristics subject to change without notice

Doc. No. 1040, Rev. K

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