MIC184
Micrel
MIC184
4
May 2006
Symbol
Parameter
Condition
Min
Typ
Max Units
Serial Data I/O Pin (DATA)
V
OL
Low Output Voltage
I
OL
= 3mA
0.4
V
I
OL
= 6mA
0.8
V
V
IL
Low Input Voltage
2.7V d V
DD
d 5.5V
0.3V
DD
V
V
IH
High Input Voltage
2.7V d V
DD
d 5.5V
0.7V
DD
V
C
IN
Input Capacitance
10
pF
I
LEAK
Input current
?.01
?
礎
Serial Clock Input (CLK)
V
IL
Low Input Voltage
2.7V d V
DD
d 5.5V
0.3V
DD
V
V
IH
High Input Voltage
2.7V d V
DD
d 5.5V
0.7V
DD
V
C
IN
Input Capacitance
10
pF
I
LEAK
Input current
?.01
?
礎
Status Output (INT)
V
OL
Low Output Voltage,
I
OL
= 3mA
0.4
V
Note 8
I
OL
= 6mA
0.8
V
t
INT
Interrupt Propagation Delay,
from TEMP > T_SET, FQ = 00 to INT < V
OL
,
t
CONV
+1 ?/SPAN>s
Note 5
R
PULLUP
= 10k? POL bit = 0
t
nINT
Interrupt Reset Propagation Delay,
from any register read to INT > VOH,
1
祍
Note 5
R
PULLUP
= 10k? POL bit = 0
T_SET
Default T_SET Value
t
POR
after V
DD
> V
POR
, Note 9
80
80
80
癈
HYST
Default HYST Value
t
POR
after V
DD
> V
POR
, Note 9
75
75
75
癈
Serial Interface Timing (Note 5)
t
1
CLK (Clock) Period
2.5
祍
t
2
Data In Setup Time to CLK High
100
ns
t
3
Data Out Stable After CLK Low
0
ns
t
4
DATA Low Setup Time to CLK Low
start condition
100
ns
t
5
DATA High Hold Time
stop condition
100
ns
After CLK High
Note 1. Exceeding the absolute maximum rating may damage the device.
Note 2. The device is not guaranteed to function outside its operating rating.
Note 3. Devices are ESD sensitive. Handling precautions recommended.
Human body model: 1.5k in series with 100pF. Machine model: 200pF, no series resistance.
Note 4. Final test on outgoing product is performed at T
A
= TBD癈.
Note 5. Guaranteed by design over the operating temperature range. Not 100% production tested.
Note 6. Accuracy specication does not include quantization noise, which may be as great as ?/SPAN>
1
D2LSB (?/DIV>
1
D4癈).
Note 7. T
D
is the temperature of the remote diode junction. Testing is performed using a single unit of one of the transistors listed in Table 5.
Note 8. Current into the INT pin will result in self-heating of the MIC184. INT pin current should be minimized for best accuracy.
Note 9. This is the decimal representation of a binary data value.
Timing Diagram
t
1
t
2
t
5
t
4
t
3
SCL
SDA Input
SDA Output
Serial Interface Timing
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