mc33905s Freescale Semiconductor, Inc, mc33905s Datasheet - Page 21

• Manufacturer Part Number: mc33905s
• Description: System Basis Chip Gen2 With High Speed Can And Lin Interface
• Manufacturer: Freescale Semiconductor, Inc

Table 5. Dynamic Electrical Characteristics
values noted reflect the approximate parameter means at T
SPI TIMING
RESET PULSE DURATION
VSENSE INPUT
INTERRUPT
Analog Integrated Circuit Device Data
Freescale Semiconductor
SPI operation frequency (MISO cap = 50 pF)
SCLK Clock Period
SCLK Clock High Time
SCLK Clock Low Time
Falling Edge of CS to Rising Edge of SCLK
Falling Edge of SCLK to Rising Edge of CS
MOSI to Falling Edge of SCLK
Falling Edge of SCLK to MOSI
MISO Rise Time (CL = 50 pF)
MISO Fall Time (CL = 50 pF)
Time from Falling to MISO Low-impedance
Time from Rising to MISO High-impedance
Time from Rising Edge of SCLK to MISO Data Valid
Delay between rising and falling edge on CS
CS low timeout detection
SUPPLY, VOLTAGE REGULATOR, RESET
VSUP under-voltage detector threshold deglitcher
Rise time at turn ON. V
Deglitcher time to set reset pin low
V
Watchdog reset
Under-voltage deglitcher time
INT pulse duration (refer to SPI for selection. Guaranteed by design)
DD
Characteristics noted under conditions 5.5 V ≤ V
short, default at power on when BATFAIL bit set
medium
medium long
long
short
long
under-voltage (SPI selectable)
DD
from 1.0 to 4.5 μV. 2.2 μF at V
Characteristic
DYNAMIC ELECTRICAL CHARACTERISTICS
SUP
DD
pin.
≤ 27 V, - 40°C ≤ T
A
= 25°C under nominal conditions, unless otherwise noted.
A
R
INT
V
R
t
Symbol
t
t
R
≤ 125°C, GND = 0 V, unless otherwise noted. Typical
WSCLKH
CS-TO
2_DGLT
RISE-ON
ST-PULSE
WSCLKL
FREQ
t
S_LOW1/
D2CS
ST-DGLT
t
t
t
t
t
SODIS
t
SOEN
VALID
PCLK
LEAD
t
t
ST-WD
B
SISU
t
LAG
RSO
FSO
-PULSE
SIH
FT
DYNAMIC ELECTRICAL CHARACTERISTICS
0.25
Min
250
125
125
1.0
2.5
0.9
4.0
8.5
0.9
30
30
30
30
30
50
20
17
30
20
90
-
-
-
-
-
ELECTRICAL CHARACTERISTICS
Typ
250
100
1.0
5.0
1.0
50
30
10
20
25
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Max
N/A
N/A
N/A
N/A
N/A
N/A
N/A
100
800
100
130
4.0
1.4
1.4
30
30
30
30
30
40
12
24
35
6
-
-
MHz
Unit
33904/5
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μs
μs
μs
μs
μs
μs
21