MAX13036 Datasheet, PDF (4/18 Pages) Maxim Integrated Products – Automotive Contact Monitor and Level Shifter

Automotive Contact Monitor
and Level Shifter
TIMING CHARACTERISTICS
(V_L = +2.7V to +5.5V, BAT = +6V to +26V, SD = V_L, T_A = -40°C to +125°C, unless otherwise noted. Typical values are at V_L = +3.3V,
BAT = +14V, T_A = +25°C) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
IN0 to DO0 Propagation Delay
IN1 to DO1 Propagation Delay
CLK Frequency
Falling Edge of CS to Rising Edge
of CLK Required Setup Time
t_PROP
f_CLK
t_LEAD
V_BAT = 6V
V_BAT = +14V
Input rise/fall time < 2ns,
V_L = +3.0V to +5.5V
Input rise/fall time < 2ns,
V_L = +3.0V to +5.5V, Figure 1
22
22
110
35
µs
5
MHz
ns
Falling Edge of CLK to Rising
Edge of CS Required Setup Time
t_LAG
Input rise/fall time < 2ns,
V_L = +3.0V to +5.5V, Figure 1
50
ns
SDI Valid to Falling Edge of CLK
Required Setup Time
t_SI(SU)
Input rise/fall time < 2ns,
V_L = +3.0V to +5.5V, Figure 1
30
ns
Falling Edge of CLK to SDI
Required Hold Time
t_SI(HOLD)
Input rise/fall time < 2ns,
V_L = +3.0V to +5.5V, Figure 1
20
Time From Falling Edge of CS to
SDO Low Impedance
t_SO(EN)
Input rise/fall time < 2ns,
V_L = +3.0V to +5.5V, Figure 1
Time From Rising Edge of CS to
SDO High Impedance
t_SO(DIS) V_L = +3.0V to +5.5V, Figures 1 and 2
ns
55
ns
55
ns
Time from Rising Edge of CLK to
SDO Data Valid
Debounce time
Scanning Time Pulse
Scanning Time Period
Wetting Time Pulse
Time from Shutdown To Normal
Operation
t_VALID
t_DEB
t_SCAN
t_{SCAN_P}
t_WET
C_SDO =15pF,
V_L = +3.0V to +5.5V, Figure 1
C_TDEB = 500pF
C_TDEB = 10nF (Note 6)
SC2 = 0, SC1 = 1, SC0 = 1
WTOFF = 0
SD low-to-high transition to input
monitoring enabled
70
ns
3.18
5.9
9.42
ms
63
120
188
130
250
400
µs
4
8
14
ms
10
21
35
ms
200
µs
Note 1: All units are 100% production tested at T_A = +125°C. Limits over the operating temperature range are guaranteed by
correlation to the +125°C tests.
Note 2: The total supply current is the sum of the current flowing into V_L, BAT, and BATREF.
Note 3: V_{TH_C} = (V_{TH_HIGH} + V_{TH_LOW})/2.
Note 4: V_{TH_HYS} = (V_{TH_HIGH} - V_{TH_LOW}).
Note 5: Wetting current rise/fall time is measured as the time from 10% to 90% of the maximum wetting current.
Note 6: Guaranteed by design.
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