SCA8X0 Datasheet, PDF (26/35 Pages) VTI technologies – VTI Automotive Digital Accelerometer Platform

SCA8X0/21X0/3100 Series
5 Electrical Characteristics
All voltages are referenced to ground. Currents flowing into the circuit have positive values.
5.1 Absolute maximum ratings
The absolute maximum ratings of Digital Family are presented in Table 11 below.
Table 11: Absolute maximum ratings
Parameter
Supply voltage (V_dd)
Voltage at input / output pins
ESD (Human body model)
Storage temperature
Operating temperature
Ultrasonic cleaning
Value
Unit
-0.3 to +3.6
V
-0.3 to (V_dd + 0.3)
V
±2
kV
-40 ... +125
°C
-40 ... +125
°C
Not allowed
5.2 Power Supply
5.3 Digital I/O Specification
5.3.1 DC Characteristics
Supply voltage is 3.3 V unless otherwise noted. Current flowing into the circuit has positive values.
Parameter
Conditions
Symbol
Min
Typ Max Unit
Input terminal CSB
1 Pull up current
V_IN = 0 V
I_PU
10
50 µA
2 Input high voltage
3 Input low voltage
4 Hysteresis
DVDD = 3.3 V
DVDD = 3.3 V
DVDD = 3.3 V
V_IH
V_IL
V_HYST
2
0.18
DVDD V
0.8 V
V
Input terminal MOSI, SCK
5 Pull down current
V_IN = 3.3 V
I_PD
10
50 µA
6 Input high voltage
7 Input low voltage
8 Hysteresis
DVDD = 3.3 V
DVDD = 3.3 V
DVDD = 3.3 V
V_IH
V_IL
V_HYST
2
0.18
DVDD V
0.8 V
V
Output terminal MISO
9 Output high voltage
I > -1mA
V_OH
DVDD –
V
DVDD = 3.3 V
0.5
10 Output low voltage
11 Tri-state leakage
I < 1 mA
0 < V_MISO < 3.3 V
V_OL
I_LEAK
-3
0.5 V
3 uA
5.3.2 AC Characteristics
Parameter
Conditions
Terminal CSB, SCK
1 Time from CSB (10%) to
SCK (90%)1
2 Time from SCK (10%) to
CSB (90%)1
Terminal SCK
3 SCK low time
Load capacitance at
MISO < 50 pF
t_r=rise time
t_f=fall time
4 SCK high time
Load capacitance at
MISO < 50 pF
Symbol
T_LS1
T_LS2
Min
T_per/2
T_per/2
Typ Max Unit
ns
ns
T_CL
60
T_per/2 –
ns
(t_r+t_f)/2
T_CH
60
T_per/2 –
ns
(t_r+t_f)/2
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