Datasheet

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    
SLVS335C − DECEMBER 2000 − REVISED JANUARY 2007
9
electrical characteristics over recommended operating conditions (unless otherwise noted)
(continued)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
1.65 V < V
IT
< 2.5 V 20
V
IT
2.5 V < V
IT
< 3.5 V 40
V
IT
3.5 V < V
IT
< 5.5 V 50
V
hys
Hysteresis
V
PFI
12
mV
V
hys
Hysteresis
1.65 V < V
(SWN)
< 2.5 V 85
mV
V
(SWN)
2.5 V < V
(SWN)
< 3.5 V 100
V
(SWN)
3.5 V < V
(SWN)
< 5.5 V 110
I
IH
High-level input current
WDI WDI = V
DD
= 5.5 V 150 µA
I
IH
High-level input curren
t
MR MR = 0.7 × V
DD
, V
DD
= 5 V −33 −76
I
IL
Low-level input current
WDI WDI = 0 V, V
DD
= 5 V −150
I
IL
Low-level input current
MR
MR = 0 V, V
DD
= 5 V −110 −255
I
I
Input current PFI, MSWITCH V
I
< V
DD
−25 25 nA
PFO = 0 V, V
DD
= 1.8 V −0.3
I
OS
Short-circuit current PFO
PFO = 0 V, V
DD
= 3.3 V −1.1
mA
I
OS
Short-circuit current
PFO
PFO = 0 V, V
DD
= 5 V −2.4
mA
I
DD
V
DD
supply current
V
OUT
= V
DD
40
µA
I
DD
V
DD
supply current
V
OUT
= V
BAT
8
µ
A
I
(BAT)
V
BAT
supply current
V
OUT
= V
DD
−0.1 0.1
A
I
(BAT)
V
BAT
supply current
V
OUT
= V
BAT
40
µA
C
i
Input capacitance V
I
= 0 V to 5 V 5 pF
timing requirements at R
L
= 1 MΩ, C
L
= 50 pF, T
A
= −40°C to 85°C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
DD
V
IH
= V
IT
+ 0.2 V, V
IL
= V
IT
− 0.2 V 5 µs
t
w
Pulse width
MR
V
DD
> V
IT
+ 0.2 V, V
IL
= 0.3 x V
DD,
V
IH
= 0.7 x V
DD
100
ns
t
w
Pulse width
WDI
V
DD
> V
IT
+ 0.2 V, V
IL
= 0.3 x V
DD,
V
IH
= 0.7 x V
DD
100 ns
switching characteristics at R
L
= 1 MΩ, C
L
= 50 pF, T
A
= −40°C to 85°C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
d
Delay time
V
DD
≥ V
IT
+ 0.2 V, MR ≥ 0.7 x V
DD
,
See timing diagram
60 100 140 ms
t
(tout)
Watchdog time-out V
DD
> V
IT
+ 0.2 V, See timing diagram 0.48 0.8 1.12 s
V
DD
to RESET V
IL
= V
IT
− 0.2 V, V
IH
= V
IT
+ 0.2 V 2 5 µs
t
PHL
Propagation (delay) time,
high-to-low-level output
PFI to PFO V
IL
= V
(PFI)
− 0.2 V, V
IH
= V
(PFI)
+ 0.2 V 3 5 µs
t
PHL
Propagation (delay) time,
high-to-low-level output
MR
to RESET
V
DD
≥ V
IT
+ 0.2 V, V
IL
= 0.3 x V
DD
,
V
IH
= 0.7 x V
DD
0.1 1 µs
Transition time V
DD
to V
BAT
V
IL
= V
(BAT)
− 0.2 V, V
IH
= V
(BAT)
+ 0.2 V,
V
(BAT)
< V
IT
3 µs
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