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L9678P Datasheet(PDF) 180 Page - STMicroelectronics

Part # L9678P
Description  Automotive user configurable airbag and battery cut-off IC
PDF  215 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9678P Datasheet(HTML) 180 Page - STMicroelectronics

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Electrical characteristics
L9678P, L9678P-S
180/216
DS11626 Rev 9
Note:
All timing is shown with respect to 10% and 90% of the actual delivered VDDQ voltage.
Figure 59. SPI timing diagram
Table 26. SPI AC specifications
N°
Symbol
Parameter
Condition
Min.
Typ.
Max.
Unit
1
FSCLK
SPI Transfer Frequency
-
-
8
8.08
MHz
2
TSCLK
SCLK_x Period (2)(1)
-
123.8
-
-
ns
3
TLEAD
Enable Lead Time (3)(1)
-
250
-
-
ns
4
TLAG
Enable Lag Time (4)(1)
-
50
-
-
ns
5
THIGH_SCLK
SCLK_x High Time (5)(1)
-
50
-
-
ns
6
TLOW_SCLK
SCLK_x Low Time (6)(1)
-
50
-
-
ns
7
TSETUP_MOSI
MOSI_x Input Setup Time (7)(1)
-
20
-
-
ns
8
THOLD_MOSI
MOSI_x Input Hold Time (8)(1)
-
20
-
-
ns
9
TACC_MISO
MISO_x Access Time (9)(1)
80 pF load
-
-
60
ns
10
TDIS_MISO
MISO_x Disable Time (10)(1)
80 pF load
-
-
100
ns
11
TVALID_MISO
MISO_x Output Valid Time (11)(1) 80 pF load
-
-
30
ns
12
THOLD_MISO
MISO_x Output Hold Time (12)(1) -
0
-
-
ns
13
THOLD_SCLK
SCLK_x Hold Time (13)(1)
-
20
ns
14
TFLT_CS
CS_x noise glitch rejection time
-
50
300
ns
15
TNODATA
SPI Interframe Time (15)(1)
-
400
-
-
ns
16
TSETUP_MISO
MISO Input Setup TIme (7)(1)
-
20
-
-
ns
17
THOLD_MISO
MISO Input Hold TIme (8)(1)
-
20
-
-
ns
1. Refer to the Figure 59 for details.
CS_x
SCLK_x
3
9
5
7
8
6
11
2
MSB OUT
4
15
13
12
10
LSB IN
DATA
DATA
LSB OUT
DON’T
CARE
MSB IN
MISO_x
MOSI_x



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