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L9954 Datasheet(PDF) 14 Page - STMicroelectronics

Part # L9954
Description  Door actuator driver
PDF  37 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9954 Datasheet(HTML) 14 Page - STMicroelectronics

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Electrical specifications
L9954 / L9954XP
14/37
Doc ID 14279 Rev 3
Table 13.
Inputs: CSN, CLK, PWM1/2 and DI
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VinL
Input low level
VCC = 5V
1.5
2.0
V
VinH
Input high level
VCC = 5V
3.0
3.5
V
VinHyst
Input hysteresis
VCC = 5V
0.5
V
ICSN in
Pull up current at input CSN
VCSN = 3.5V VCC = 5V
-40
-20
-5
µA
ICLK in
Pull down current at input CLK
VCLK = 1.5V
10
25
50
µA
IDI in
Pull down current at input DI
VDI = 1.5V
10
25
50
µA
IPWM1 in
Pull down current at input
PWM1
VPWM = 1.5V
10
25
50
µA
Cin
(1)
1.
Value of input capacity is not measured in production test. Parameter guaranteed by design.
Input capacitance at input
CSN, CLK, DI and PWM1/2
0 V < VCC < 5.3V
10
15
pF
Table 14.
DI timing (1)
1.
DI timing parameters tested in production by a passed / failed test:
Tj= -40°C / +25°C:
SPI communication @ 2MHz.
Tj= +125°C
SPI communication @ 1.25 MHz.
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
tCLK
Clock period
VCC = 5V
1000
ns
tCLKH
Clock high time
VCC = 5V
400
ns
tCLKL
Clock low time
VCC = 5V
400
ns
tset CSN
CSN setup time, CSN low
before rising edge of CLK
VCC = 5V
400
ns
tset CLK
CLK setup time, CLK high
before rising edge of CSN
VCC = 5V
400
ns
tset DI
DI setup time
VCC = 5V
200
ns
thold DI
DI hold time
VCC = 5V
200
ns
tr in
Rise time of input signal DI,
CLK, CSN
VCC = 5V
100
ns
tf in
Fall time of input signal DI,
CLK, CSN
VCC = 5V
100
ns
Table 15.
DO
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VDOL
Output low level
VCC = 5 V, ID = -2mA
0.2
0.4
V
VDOH
Output high level
VCC = 5 V, ID = 2 mA
VCC -0.4 VCC-0.2
V



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