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ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 4. DYNAMIC ELECTRICAL CHARACTERISTICS
Characteristics noted under conditions of 3.1 V ≤ SO PWR ≤ 5.5 V, 5.0 V ≤ V PWR ≤ 18 V, -40 ° C ≤ T A ≤ 125 ° C unless otherwise
noted. Where applicable, typical values reflect the parameter ’s approximate average value with V PWR = 13 V, T A = 25 ° C.
Characteristic
Symbol
Min
Typ
Max
Unit
POWER OUTPUT TIMING (VPWR)
Output Slew Rate
SR
V/ μ s
R L = 60 Ω
1.0
2.0
10
Output Turn ON Delay Time (16)
t DLY (ON)
1.0
2.0
10
μ s
Output Turn OFF Delay Time
t DLY(OFF)
1.0
4.0
10
μ s
Output ON Short Fault Disable Report Delay (17)
t DLY (SHORT)
100
–
450
μ s
Output OFF Open Fault Delay Time
Output PWM Frequency
t DLY(OPEN)
t FREQ
100
–
–
–
450
2.0
μ s
kHz
DIGITAL INTERFACE TIMING (CS, SO, SI, SCLK) (23)
Required Low State Duration on V PWR for Reset
t RST
μ s
V PWR ≤ 0.2V (18)
Falling Edge of CS to Rising Edge of SCLK
Required Setup Time
Falling Edge of SCLK to Rising Edge of CS
Required Setup Time
SI to Falling Edge of SCLK
Required Setup Time
Falling Edge of SCLK to SI
Required Hold Time
t LEAD
t LAG
t SI (su)
t SI (hold)
–
100
50
16
20
–
–
–
–
–
10
–
–
–
–
ns
ns
ns
ns
SI, CS , SCLK Signal Rise Time (19)
t R (SI)
–
5.0
–
ns
SI, CS , SCLK Signal Fall Time
t F (SI)
–
5.0
–
ns
Time from Falling Edge of CS to SO Low-impedance (20)
t SO (EN)
–
–
50
ns
Time from Rising Edge of CS to SO High-impedance
t SO (DIS)
–
–
50
ns
Time from Rising Edge of SCLK to SO Data Valid (22)
t VALID
–
25
80
ns
Notes
15.
16.
17.
18.
19.
20.
21.
22.
23.
Output slew rate measured across a 60 Ω resistive load.
Output turn ON and OFF delay time measured from 50% rising edge of CS to 80% and 20% of initial voltage.
Duration of fault before fault bit is set. Duration between access times must be greater than 450 μ s to read faults.
This parameter is guaranteed by design; however, it is not production tested.
Rise and Fall time of incoming SI, CS , and SCLK signals suggested for design consideration to prevent the occurrence of double pulsing.
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 rise of SCLK with 200pF load.
This parameter is guaranteed by design. Production test equipment used 4.16MHz, 5.5/3.1V SPI Interface.
33996
Analog Integrated Circuit Device Data
Freescale Semiconductor
7
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