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LM75BDP датащи(PDF) 20 Page - NXP Semiconductors

номер детали LM75BDP
подробное описание детали  Digital temperature sensor and thermal watchdog
PDF  29 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

LM75BDP датащи(HTML) 20 Page - NXP Semiconductors

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LM75B_2
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 02 — 9 December 2008
20 of 29
NXP Semiconductors
LM75B
Digital temperature sensor and thermal watchdog
12. Dynamic characteristics
[1]
These specifications are guaranteed by design and not tested in production.
[2]
This is the SDA time LOW for reset of serial interface.
[3]
Holding the SDA line LOW for a time grater than tto will cause the LM75B to reset SDA to the idle state of the serial bus communication
(SDA set HIGH).
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
fSCL
SCL clock frequency
see Figure 19
0.02
-
400
kHz
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
-
-
ns
tSU;DAT
data set-up time
100
-
-
ns
tHD;DAT
data hold time
0
-
-
ns
tSU;STO
set-up time for STOP condition
100
-
-
ns
tf
fall time
SDA and OS outputs;
CL = 400 pF; IOL =3mA
-
250
-
ns
tto
time-out time
[2][3] 75
-
200
ms
Fig 19. Timing diagram
SDA
SCL
002aab271
tf
S
Sr
P
S
tHD;STA
tLOW
tr
tSU;DAT
tf
tHD;DAT
tHIGH tSU;STA
tHD;STA
tSP
tSU;STO
tr
tBUF



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