mc33811 Freescale Semiconductor, Inc, mc33811 Datasheet - Page 8

• Manufacturer Part Number: mc33811
• Description: Solenoid Monitor Integrated Circuit Ic
• Manufacturer: Freescale Semiconductor, Inc

Table 4. Dynamic Electrical Characteristics
values noted reflect the approximate parameter means at T
8
SPI DIGITAL INTERFACE TIMING
WAVEFORM DETECTION TIMINGS
Notes:
33811
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Required High State Duration on RESET for Reset to occur
Falling Edge of CS to Rising Edge of SCLK
Falling Edge of SCLK to Rising Edge of
SI to Rising Edge of SCLK
Rising Edge of SCLK to SI
SI,
SI,
Time from Falling Edge of
Time from Rising Edge of
Time from Falling Edge of SCLK to SO Data Valid
Sequential Transfer Rate
Input Capacitance (SI, SCLK)
Load Capacitance (SO)
Tri-state Output Capacitance (SO)
Start of Activation Filter Time
Detection Window Time
Sample Time
10.
11.
12.
13.
14.
15.
16.
Characteristics noted under conditions 10.5V ≤ V
Required Setup Time
Required Setup Time
Required Setup Time
Required Hold Time
Time required between data transfers
CS
CS
, SCLK Signal Rise Time
, SCLK Signal Fall Time
These parameters are guaranteed by design. Production test equipment uses 3.2MHz, 5.0V SPI interface.
This parameter is guaranteed by design, however it is not production tested.
Rise and Fall time of incoming SI,
Time required for valid output status data to be available on SO pin.
Time required for output states data to be terminated at SO pin.
Time required to obtain valid data out from SO following the fall of SCLK with 200pF load.
9 µs guard band included in maximum limit
CS
CS
(16)
to SO High-impedance
to SO Low-impedance
(12)
Characteristic
(12)
(10)
CS
CS
DYNAMIC ELECTRICAL CHARACTERISTICS
, and SCLK signals suggested for design consideration to prevent the occurrence of double pulsing.
(15)
(13)
(14)
PWR
(11)
≤ 15.5V, - 40°C ≤ T
A
= 25°C under nominal conditions, unless otherwise noted.
C
t
t
Symbol
t
A
TRI-STATE
SI (HOLD)
t
WINDOW
t
C
t
C
SO (DIS)
t
t
t
SO (EN)
RESET
t
t
BEGIN
SI (SU)
t
VALID
t
≤ 125°C, GND = 0V, unless otherwise noted. Typical
t
LEAD
INPUT
R (SI)
F (SI)
LOAD
SAM
STR
LAG
Min
100
200
1.0
16
20
40
–
–
–
–
–
Analog Integrated Circuit Device Data
Typ
400
5.0
5.0
65
65
53
72
–
–
0
–
–
–
7
Freescale Semiconductor
Max
200
600
1.0
50
80
55
90
15
20
66
–
–
–
–
–
–
Unit
ms
pF
pF
pF
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
µs