CAT24C128WIT3 datasheet(3/18 Pages) CATALYST

Il numero della parte	CAT24C128WIT3

Spiegazioni elettronici	128-Kb I2C CMOS Serial EEPROM

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Produttore elettronici	CATALYST [Catalyst Semiconductor]

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CAT24C128

3

Doc No. MD-1103, Rev. J

Characteristics subject to change without notice

A.C. CHARACTERISTICS(1)

VCC = 1.8 V to 5.5 V, TA = -40°C to +125°C.

Symbol

Parameter

Standard

Fast

Units

Min

Max

Min

Max

FSCL

Clock Frequency

100

400

kHz

tHD:STA

START Condition Hold Time

4

0.6

μs

tLOW

Low Period of SCL Clock

4.7

1.3

μs

tHIGH

High Period of SCL Clock

4

0.6

μs

tSU:STA

START Condition Setup Time

4.7

0.6

μs

tHD:DAT

Data Hold Time

0

μs

tSU:DAT

Data Setup Time

250

100

ns

tR

SDA and SCL Rise Time

1000

300

ns

tF(2)

SDA and SCL Fall Time

300

ns

tSU:STO

STOP Condition Setup Time

4

0.6

μs

tBUF

Bus Free Time Between STOP and START

4.7

1.3

μs

tAA

SCL Low to SDA Data Out

3.5

0.9

μs

tDH

Data Out Hold Time

100

ns

Ti(2)

Noise Pulse Filtered at SCL and SDA Inputs

100

ns

tSU:WP

WP Setup Time

0

μs

tHD:WP

WP Hold Time

2.5

μs

tWR

Write Cycle Time

5

ms

tPU(2, 3)

Power-up to Ready Mode

1

ms

Note:

(1) Test conditions according to “A.C. Test Conditions” table.

(2) Tested initially and after a design or process change that affects this paramete.

(3) tPU is the delay between the time VCC is stable and the device is ready to accept commands.

A.C. TEST CONDITIONS

Input Levels

0.2 x VCC to 0.8 x VCC

Input Rise and Fall Times

≤ 50 ns

Input Reference Levels

0.3 x VCC, 0.7 x VCC

Output Reference Levels

0.5 x VCC

Output Load

Current Source: IOL = 3 mA (VCC

≥ 2.5 V); IOL = 1 mA (VCC < 2.5 V); CL = 100 pF

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