mc33988 Freescale Semiconductor, Inc, mc33988 Datasheet - Page 15

• Manufacturer Part Number: mc33988
• Description: Dual Intelligent High-current Self-protected Silicon High Side Switch
• Manufacturer: Freescale Semiconductor, Inc

Figure 6
I
blanking time (t
Analog Integrated Circuit Device Data
Freescale Semiconductor
OCHX
) the device can reach for each over-current detection
RSTB
SCLK
RST
CSB
CS
illustrates the over-current detection level (I
SI
SCLK
SI
OCHX
t
, t
WRST
OCLX
Don’t Care
SCLK
SCLK
SO
SO
SO
SO
High to Low
High-to-Low
Low to High
0.2 x V
0.7VDD
Low-to-High
):
TwRSTB
t
ENBL
0.2 VDD
0.2 x V
0.7 x V
0.2 x V
DD
0.2VDD
Figure 8. SCLK Waveform and Valid SO Data Delay Time
0.7VDD
TENBL
0.2 VDD
0.7 x V
Figure 7. Input Timing Switching Characteristics
0.2 x V
0.2VDD
t
DD
0.7 VDD
0.7 VDD
Tlead
LEAD
DD
DD
0.2 x V
0.7 x V
3.5V
3.5V
TdlyLH
TrSI
TdlyHL
T
t
DD
DD
VALID
VALID
t
DD
TSIsu
DD
SI(SU)
TwSCLKh
t
WSCLKh
t
RSI
t
t
SO(DIS)
OCLX
SO(EN)
,
Valid
50%
TrSO
TfSO
t
t
RSO
FSO
TwSCLKl
t
WSCLKl
0.2VDD
0.2 x V
• During t
• During t
0.7 x V
0.7 VDD
TSI(hold)
t
SI(HOLD)
current level.
programmed to detect up to I
TfSI
Don’t Care
DD
t
TrSI
DD
RSI
t
FSI
OCHX
OCL3
1.0V
1.0V
, the device can reach up to I
or t
OCL2
0.7 x V
0.7VDD
t
TfSI
Valid
FSI
or t
t
DD
LAG
OCL1
ELECTRICAL CHARACTERISTICS
VOH
VOL
VOL
VOL
VOH
VOH
V
V
V
V
V
V
Tlag
OH
OL
OH
OL
OH
OL
OCL0
or t
Don’t Care
OCL0
.
TCSB
t
CS
, the device can be
TIMING DIAGRAMS
OCH0
over-
VIH
VIL
VIH
VIL
VIL
VIL
VIH
V
V
V
V
VIH
V
V
V
V
IL
IH
IH
IL
IH
IL
IH
IH
33988
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