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L9680 Datasheet(PDF) 235 Page - STMicroelectronics

Part # L9680
Description  Automotive advanced airbag IC for mid/high end applications
PDF  277 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9680 Datasheet(HTML) 235 Page - STMicroelectronics

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L9680
Electrical characteristics
276
Note:
All timing is shown with respect to 10% and 90% of the actual delivered VCC voltage.
Figure 70. SPI timing diagram
Table 34. SPI AC specifications
No
Symbol
Parameter
Comments / Conditions
Min
Typ Max Unit
1FSCLK
SPI transfer frequency
-
-
8
8.08 MHz
2TSCLK
SCLK_x period
-
123.8
-
-
ns
3TLEAD
Enable lead time
-
250
-
-
ns
4TLAG
Enable lag time
-
50
-
-
ns
5THIGH_SCLK
SCLK_x high time
-
40
-
-
ns
6TLOW_SCLK
SCLK_x low time
-
40
-
-
ns
7TSETUP_MOSI MOSI_x input setup time
-
20
-
-
ns
8THOLD_MOSI
MOSI_x input hold time
-
20
-
-
ns
9TACC_MISO
MISO_x access time
80 pF load
-
-
60
ns
10
TDIS_MISO
MISO_x disable time
-
-
100
ns
11
TVALID_MISO
MISO_x output valid time
-
-
30
ns
12
THOLD_MISO
MISO_x Output Hold Time
80 pF load; Design Info
0
-
-
ns
13
TNODATA
SCLK_x hold time
-
20
-
-
ns
14
TFLT_CS
CS_x noise glitch rejection time -
50
-
300
ns
15
TNODATA
SPI interframe time
-
400
-
-
ns
16 TSETUP_MISO_RS MISO_RS Input Setup Time
-
20
-
-
ns
17 THOLD_MISO_RS MISO_RS Input Hold Time
-
20
-
-
ns



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