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L9679P Datasheet(PDF) 227 Page - STMicroelectronics

No. de pieza L9679P
Descripción Electrónicos  Automotive advanced airbag IC for mid/high end applications
PDF  272 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9679P Datasheet(HTML) 227 Page - STMicroelectronics

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L9679P
Electrical characteristics
271
17.6
Reset
All electrical characteristics are valid for the following conditions unless otherwise noted:
-40 °C
 Ta  +95 °C, VIN
GOOD0  VIN  35 V, VCCx(min)  VCCx  VCCx(max),
VCC = 3.3 V or 5 V
17.7
SPI interface
All electrical characteristics are valid for both Global and Remote Sensor SPI and for the
following conditions unless otherwise noted:
-40 °C
 Ta  +95 °C, VINGOOD0  VIN  35 V, VCCx(min)  VCCx  VCCx(max),
VCC = 3.3 V or 5 V
Table 31. Reset DC specifications
No
Symbol
Parameter
Comment
Min
Typ
Max Unit
1VOH_RESET
RESET output voltage
ILOAD = -1. mA
VCC-0.4
-
VCC
V
2VOL_RESET
ILOAD = 2.0 mA
0
-
0.4
V
3RPD_RESET RESET pull down resistance
-
65
100
135
kΩ
Table 32. Reset AC specifications
No
Symbol
Parameter
Comment
Min
Typ Max Unit
1TRISE_RESET Rise time
50 pF load, 20%-80%
-
-
1.00
μs
2TFALL_RESET Fall time
-
-
1.00
μs
3THOLD_RESET Reset hold time
-
0.45
0.5
0.55
ms
Table 33. Global and remote sensor SPI DC specifications
No
Symbol
Parameter
Comment
Min
Typ
Max Unit
1
VIH_CS_G
VIH_CS_RS
CS_x High level Input
Voltage
-2
-
-
V
2
VIL_CS_G
VIL_CS_RS
CS_x Low level Input
Voltage
-
-
-
0.8
V
3
IPU_CS_G
IPU_CS_RS
CS_x Pull Up Current
CS_x = 0V
-70
-45
-20
μA
4
VIH_MOSI_G
VIH_MOSI_RS
MOSI_x High level Input
Voltage
-2
-
-
V
5
VIL_MOSI_G
VIL_MOSI_RS
MOSI_x Low level Input
Voltage
-
-
-
0.8
V
6
IPD_MOSI_G
IPD_MOSI_RS
MOSI_x Pull Down Current
MOSI_x = VCC
20
45
70
μA
8
VIH_SCLK_G
VIH_SCLK_RS
SCLK_x High level Input
Voltage
-2
-
-
V



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