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L99ASC03 数据表(PDF) 44 Page - STMicroelectronics

部件名 L99ASC03
功能描述  Brushless / sensorless 3-phase motor pre-driver for automotive applications
PDF  73 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L99ASC03 数据表(HTML) 44 Page - STMicroelectronics

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Electrical specifications
L99ASC03
44/73
DocID023504 Rev 7
Table 29. SPI timing
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
fSCK
Serial clock frequency
4.5
MHz
tCSNQV
CSN falling until SDO
valid
Cout = 50 pF
100
ns
tCSNQT
CSN rising until SDO
tristate
Cout = 50 pF
150
ns
tSCKQV
SCK falling until SDO
valid
Cout =50 pF
90
ns
tSCSN
CSN setup time before
SCK rising
100
ns
tSSDI
SDI setup time before
SCK rising
40
ns
tHSDI
SDI hold time after SCK
rising
40
ns
tHSCK
Minimum SCK high time
105
ns
tLSCK
Minimum SCK low time
105
ns
tHCSN
Minimum CSN high time
4
µs
tSSCK
SCK setup time before
CSN rising
100
ns
tr SDO
SDO rise time
(20% /80%)
COUT =50pF; ILOAD = -1 mA
50
100
ns
tf SDO
SDO fall time
(20% /80%)
COUT =50pF; ILOAD = 1 mA
50
100
ns
tCSNTimeout CSN low timeout
65
ms



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