STTS424E02 datasheet(15/51 Pages) STMICROELECTRONICS

No. de pieza	STTS424E02

Descripción Electrónicos	Memory module temperature sensor with a 2 Kb SPD EEPROM

PDF	51 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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STTS424E02

Temperature sensor operation

15/51

Table 2.

AC SMBus and I2C compatibility timings

Symbol

Parameter

DA package

DN package

Units

Min

Max

Min

Max

tBUF

Bus free time between stop (P) and start (S) conditions

4.7

–

1.3

–

µs

tHD:STA

Hold time after (repeated) start condition. After this

period, the first clock cycle is generated.

4.0

–

0.6

–

µs

tSU:STA

(1)

Repeated start condition setup time

4.7

–

1.3

–

µs

tHIGH

Clock high period

4.0

–

0.6

–

µs

tLOW

Clock low period

4.7

–

1.3

–

µs

Clock/data fall time

–

300

–

300

Clock/data rise time

–

1000

–

300

tSU:DAT

Data setup time

250

–

100

–

tHD:DAT

Data hold time

300

–

300

–

tSU:STO

Stop condition setup time

4.0

–

0.6

–

µs

(2)

WRITE time for EEPROM

–

fSCL

SMBUS/I2C clock frequency

100

400

KHz

ttimeout

Bus timeout (temperature sensor only)

For a restart condition, or following a WRITE cycle.

This parameter reflects maximum WRITE time for EEPROM.

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