isl12020m Intersil Corporation, isl12020m Datasheet - Page 3

• Manufacturer Part Number: isl12020m
• Description: Real Time Clock With Embedded Crystal, ?5ppm Accuracy
• Manufacturer: Intersil Corporation

Absolute Maximum Ratings
Voltage on V
Voltage on X1 and X2 pins
ESD Rating
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTE:
DC Operating Characteristics - RTC
IRQ/F
V
1. θ
2. For θ
3. The X1 and X2 pins are connected internally to a crystal and should be a floating electrical connection.
4. The ISL12020M Oscillator Initial Accuracy can change after solder reflow attachment. The amount of change will depend on the reflow
SYMBOL
V
Fout
I
(respect to ground) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.0V
(respect to ground, Note 3) . . . . . . . . . . . . . . . . . . . -0.3V to 2.5V
Human Body Model (Per MIL-STD-883 Method 3014) . . . . .>3kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>300V
BATLKG
TRIPHYS
ΔFout
V
ΔFout
BATHYS
V
V
V
I
I
I
V
I
V
BATM
Tech Brief TB379.
temperature and length of exposure. A general rule is to use only one reflow cycle and keep the temperature and time as short as possible.
Changes on the order of ±1ppm to ±3ppm can be expected with typical reflow profiles.
DD1
DD2
DD3
BAT
I
PBM
TRIP
BAT
I
LO
JA
DD
OL
LI
25°C
OUT
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
T
V
JC
(OPEN DRAIN OUTPUT)
, the “case temp” location is the center of the exposed metal pad on the package underside.
DD
Main Power Supply
Battery Supply Voltage
Supply Current. (I
temperature conversion not active, F
not active)
Supply Current. (I
conversion not active, F
Supply Current. (I
temperature conversion active, F
active)
Battery Supply Current
Battery Input Leakage
Input Leakage Current on SCL
I/O Leakage Current on SDA
Battery Level Monitor Threshold
Brownout Level Monitor Threshold
V
V
V
Oscillator Initial Accuracy
Oscillator Stability vs Temperature
Oscillator Stability vs Voltage
Temperature Sensor Accuracy
Output Low Voltage
BAT
TRIP
BAT
, V
BAT
Mode Threshold
Hysteresis
Hysteresis
, SCL, SDA, and IRQ/F
PARAMETER
2
2
2
C not active,
C active, temperature
C not active,
3
OUT
not active)
OUT
OUT
pins
OUT
Test Conditions: V
not
V
V
V
V
V
V
V
V
V
V
V
2.7V ≤ V
V
V
V
DD
DD
DD
DD
DD
DD
DD
IL
IL
DD
DD
DD
DD
DD
= 0V, V
= 0V, V
= 0V, V
= 0V, V
= 5V
= 3V
= 5V
= 5V
= 5.5V, V
= 3.3V, T
= 3.3V
= V
= 5V, I
= 2.7V, I
ISL12020M
BAT
DD
CONDITIONS
IH
IH
OL
DD
BAT
BAT
≤ 5.5V
= 3.3V
OL
= V
= V
A
BAT
= 3mA
= +2.7 to +5.5V, T
= +25°C
= 3V, T
= 3V
= 1mA
DD
DD
= 1.8V
Thermal Information
Thermal Resistance (Typical, Notes 1, 2) θ
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-free Reflow Profile (Note 4) . . . . . . . . . . . . . . . . . .see link below
A
20 Lead DFN . . . . . . . . . . . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
=+25°C
A
(Note 12)
= -40°C to +85°C, unless otherwise stated.
-100
-100
MIN
-1.0
-1.0
2.7
1.8
2.0
-5
-3
(Note 8)
TYP
±0.1
±0.1
200
120
4.1
3.5
1.0
1.0
2.2
30
50
±2
±2
(Note 12)
MAX
+100
+100
500
400
100
5.5
5.5
1.6
5.0
1.0
1.0
2.4
0.4
0.4
+5
+3
7
6
JA
(°C/W)
85
UNITS
ppm
ppm
ppm
mV
mV
mV
mV
µA
µA
µA
µA
µA
µA
nA
µA
µA
°C
V
V
V
V
V
January 15, 2009
θ
JC
NOTES
FN6667.2
4, 10
4, 12
(°C/W)
6, 7
6, 7
3
6, 7
6, 7
10
10
12
10
5
6
6