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L9678P Datasheet(PDF) 171 Page - STMicroelectronics

No. de pieza L9678P
Descripción Electrónicos  Automotive user configurable airbag IC
PDF  203 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9678P Datasheet(HTML) 171 Page - STMicroelectronics

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L9678P, L9678P-S
Electrical characteristics
202
Note:
All timing is shown with respect to 10% and 90% of the actual delivered VDDQ voltage.
Figure 58. SPI timing diagram
Table 25. SPI AC specifications
N°
Symbol
Parameter
Condition
Min
Typ
Max
Unit
1FSCLK
SPI Transfer frequency
-
-
8
8.08
MHz
2TSCLK
SPI_SCK period
-
123.8
-
-
ns
3TLEAD
Enable lead time
-
250
-
-
ns
4TLAG
Enable lag time
-
50
-
-
ns
5THIGH_SCLK
SPI_SCK high time
-
50
-
-
ns
6TLOW_SCLK
SPI_SCK low time
-
50
-
-
ns
7TSETUP_MOSI
SPI_MOSI input setup
time
-20
-
-
ns
8THOLD_MOSI
SPI_MOSI input hold
time
-20
-
-
ns
9TACC_MISO
SPI_MISO access time
80pF load
-
-
60
ns
10
TDIS_MISO
SPI_MISO disable time
80pF load
-
-
100
ns
11
TVALID_MISO_OUT
SPI_MISO output valid
time
80pF load
-
-
30
ns
12
THOLD_MISO_OUT
SPI_MISO output hold
time
80pF load
0
-
-
ns
13
TSETUP_MISO_IN
SPI_MISO Input Setup
Time
20
ns
14
THOLD_MISO_IN
SPI_MISO Input Hold
Time
20
ns
15
THOLD_SCLK
SPI_SCK hold time
-
20
-
-
ns
16
TFLT_CS
SPI_CS noise glitch
rejection time
-50
-
300
ns
17
TNODATA
SPI interframe time
-
400
-
-
ns



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