CAT24C256LE-G datasheet(5/18 Pages) ONSEMI

No de pièce	CAT24C256LE-G

Description	256 kb I2C CMOS Serial EEPROM

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Fabricant	ONSEMI [ON Semiconductor]

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CAT24C256

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5

Table 9. A.C. CHARACTERISTICS − New Product (Rev E) (Notes 14, 15)

(VCC = 1.8 V to 5.5 V, TA = −40°C to +85°C and VCC = 2.5 V to 5.5 V, TA = −40°C to +125°C, unless otherwise specified.)

Symbol

Parameter

Standard

VCC = 1.8 V − 5.5 V

Fast

VCC = 1.8 V − 5.5 V

Fast−Plus

VCC = 2.5 V − 5.5 V

TA = −405C to +855C

Units

Min

Max

Min

Max

Min

Max

FSCL

Clock Frequency

100

400

1,000

kHz

tHD:STA

START Condition Hold Time

4

0.6

0.25

ms

tLOW

Low Period of SCL Clock

4.7

1.3

0.45

ms

tHIGH

High Period of SCL Clock

4

0.6

0.40

ms

tSU:STA

START Condition Setup Time

4.7

0.6

0.25

ms

tHD:DAT

Data In Hold Time

0

ms

tSU:DAT

Data In Setup Time

250

100

50

ns

tR (Note 16)

SDA and SCL Rise Time

1,000

300

100

ns

tF (Note 16)

SDA and SCL Fall Time

300

100

ns

tSU:STO

STOP Condition Setup Time

4

0.6

0.25

ms

tBUF

Bus Free Time Between

STOP and START

4.7

1.3

0.5

ms

tAA

SCL Low to Data Out Valid

3.5

0.9

0.40

ms

tDH

Data Out Hold Time

50

ns

Ti (Note 16)

Noise Pulse Filtered at SCL

and SDA Inputs

50

ns

tSU:WP

WP Setup Time

0

ms

tHD:WP

WP Hold Time

2.5

1

ms

tWR

Write Cycle Time

5

ms

tPU

(Notes 16, 17)

Power-up to Ready Mode

1

0.1

1

ms

14.Test conditions according to “A.C. Test Conditions” table.

15.The New product Rev E is identified by letter “E” or a dedicated marking code on top of the package.

16.Tested initially and after a design or process change that affects this parameter.

17.tPU is the delay between the time VCC is stable and the device is ready to accept commands.

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