LM75ADP datasheet(16/24 Pages) NXP

16 / 24 page

LM75A_4

Product data sheet

Rev. 04 — 10 July 2007

16 of 24

NXP Semiconductors

LM75A

Digital temperature sensor and thermal watchdog

12. Dynamic characteristics

[1]

These speciﬁcations are guaranteed by design and not tested in production.

[2]

The data hold time minimum value is 10 ns for the SCL clock period of 10

µs or higher.

Table 18.

I2C-bus interface dynamic characteristics[1]

VCC = 2.8 V to 5.5 V; Tamb = −55 °C to +125 °C; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

TCLK

SCL clock period

see Figure 12

2.5

µs

tHIGH

HIGH period of the SCL clock

0.6

µs

tLOW

LOW period of the SCL clock

1.3

µs

tHD;STA

hold time (repeated) START condition

100

tSU;DAT

data set-up time

100

tHD;DAT

data hold time

[2] 0

--ns

tSU;STO

set-up time for STOP condition

100

fall time

SDA and OS outputs;

CL = 400 pF; IOL =3mA

250

Fig 12. Timing diagram

002aad031

TCLK

tHIGH

tHD;STA

tSU;DAT

tHD;DAT

tLOW

tSU;STO

SCL

SDA

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