CAT24C256XIT3 datasheet(8/14 Pages) CATALYST

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CAT24C256XIT3 Datasheet(PDF) 8 Page - Catalyst Semiconductor

No. de pieza	CAT24C256XIT3

Descripción Electrónicos	256-Kb I2C CMOS Serial EEPROM

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Fabricante Electrónico	CATALYST [Catalyst Semiconductor]

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CAT24C256

Doc. No. 04, Rev. D

Characteristics subject to change without notice

READ OPERATIOnS

Immediate Address Read

In standby mode, the CAT24C256 internal address

counter points to the data byte immediately following the

last byte accessed by a previous operation. If that ‘previ-

ous’ byte was the last byte in memory, then the address

counter will point to the st memory byte, etc.

When, following a START, the CAT24C256 is presented

with a Slave address containing a ‘’ in the R/W bit

position (Figure 8), it will acknowledge (ACK) in the 9th

clock cycle, and will then transmit data being pointed

at by the internal address counter. The Master can stop

further transmission by issuing a NoACK, followed by a

STOP condition.

Selective Read

The Read operation can also be started at an address

different from the one stored in the internal address

counter. The address counter can be initialized by per-

forming a ‘dummy’ Write operation (Figure 9). Here the

START is followed by the Slave address (with the R/W

bit set to ‘0’) and the desired two byte address. Instead

of following up with data, the Master then issues a 2nd

START, followed by the ‘Immediate Address Read’ se-

quence, as described earlier.

Sequential Read

If the Master acknowledges the st data byte transmitted

by the CAT24C256, then the device will continue trans-

mitting as long as each data byte is acknowledged by

the Master (Figure 0). If the end of memory is reached

during sequential Read, then the address counter will

‘wrap-around’tothebeginningofmemory,etc.Sequential

Read works with either ‘Immediate Address Read’ or

‘Selective Read’, the only difference being the starting

byte address.

Número de pieza similar - CAT24C256XIT3

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
ON Semiconductor	CAT24C256XI	205Kb / 18P	256 kb I2C CMOS Serial EEPROM January, 2014 ??Rev. 14
	CAT24C256XI-GT2	187Kb / 14P	256 kb I2C CMOS Serial EEPROM November, 2009 ??Rev. 9
	CAT24C256XI-GT3	187Kb / 14P	256 kb I2C CMOS Serial EEPROM November, 2009 ??Rev. 9
	CAT24C256XI-T2	187Kb / 14P	256 kb I2C CMOS Serial EEPROM November, 2009 ??Rev. 9
	CAT24C256XI-T2	193Kb / 18P	256 kb I2C CMOS Serial EEPROM October, 2012 ??Rev. 13

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Descripción similar - CAT24C256XIT3

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
ON Semiconductor	CAT24C256WI-G	193Kb / 18P	256 kb I2C CMOS Serial EEPROM October, 2012 ??Rev. 13
	CAT24C256XI	205Kb / 18P	256 kb I2C CMOS Serial EEPROM January, 2014 ??Rev. 14
	CAV24C256WE-GT3	157Kb / 11P	256-Kb I2C CMOS Serial EEPROM November, 2012 ??Rev. 0
	CAT24C256LI	193Kb / 18P	256 kb I2C CMOS Serial EEPROM October, 2012 ??Rev. 13
	CAT24C256YI-G	205Kb / 18P	256 kb I2C CMOS Serial EEPROM January, 2014 ??Rev. 14
	CAT24C256HU4IGT3	193Kb / 18P	256 kb I2C CMOS Serial EEPROM October, 2012 ??Rev. 13
	CAT24C256	187Kb / 14P	256 kb I2C CMOS Serial EEPROM November, 2009 ??Rev. 9
	CAV24C256	265Kb / 14P	EEPROM Serial 256-Kb I2C May, 2018 ??Rev. 1
	CAT24C256	375Kb / 20P	EEPROM Serial 256-Kb I2C May, 2018 ??Rev. 15
	CAV24C256	157Kb / 11P	256-Kb CMOS Serial EEPROM November, 2012 ??Rev. 0

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