ISL12022M Datasheet, PDF (3/27 Pages) Intersil Corporation – Real Time Clock with Embedded Crystal, ±5ppm Accuracy

ISL12022M
Absolute Maximum Ratings
Voltage on V_DD, V_BAT, SCL, SDA, and IRQ/F_OUT pins
(Respect to Ground). . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.0V
ESD Rating
Human Body Model (Per MIL-STD-883 Method 3014) . . . . .>3kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>300V
Thermal Information
Thermal Resistance (Typical, Note 1)
θ_JA (°C/W)
20 Lead SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
70
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
Pb-Free Reflow Profile (Note 2). . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
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.
NOTES:
1. θ_JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
2. The ISL12022M Oscillator Initial Accuracy can change after solder reflow attachment. The amount of change will depend on the reflow
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.
DC Operating Characteristics - RTC Test Conditions: V_DD = +2.7 to +5.5V, T_A = -40°C to +85°C, unless otherwise stated.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
(Note 10) (Note 6) (Note 10)
V_DD
V_BAT
I_DD1
I_DD2
I_DD3
Main Power Supply
Battery Supply Voltage
Supply Current. (I²C Not Active,
V_DD = 5V
Temperature Conversion Not Active, F_OUT
Not Active)
V_DD = 3V
Supply Current. (I²C Active, Temperature
Conversion Not Active, F_out Not Active)
Supply Current. (I²C Not Active,
Temperature Conversion Active, F_OUT Not
Active)
V_DD = 5V
V_DD = 5V
2.7
5.5
1.8
5.5
4.1
7
3.5
6
200
500
120
400
I_BAT Battery Supply Current
I_BATLKG Battery Input Leakage
I_LI
Input Leakage Current on SCL
I_LO
I/O Leakage Current on SDA
V_BATM Battery Level Monitor Threshold
V_PBM Brownout Level Monitor Threshold
V_TRIP V_BAT Mode Threshold
V_TRIPHYS V_TRIP Hysteresis
V_BATHYS V_BAT Hysteresis
ΔFout_T Oscillator Stability vs Temperature
ΔFout_V Oscillator Stability vs Voltage
ΔFout_I Oscillator Initial Accuracy
Temp Temperature Sensor Accuracy
IRQ/F_OUT (OPEN DRAIN OUTPUT)
V_OL Output Low Voltage
V_DD = 0V, V_BAT = 3V, T_A = +25°C
V_DD = 0V, V_BAT = 3V
V_DD = 5.5V, V_BAT = 1.8V
V_IL = 0V, V_IH = V_DD
V_IL = 0V, V_IH = V_DD
-1.0
-1.0
-100
-100
2.0
V_DD = 3.3V
-5
2.7V ≤ V_DD ≤ 5.5V
-3
V_DD = 3.3V
-3
V_DD = V_BAT = 3.3V
1.0
1.0
±0.1
±0.1
2.2
30
50
±2
1.6
5.0
100
1.0
1.0
+100
+100
2.4
+5
+3
+3
V_DD = 5V, I_OL = 3mA
0.4
V_DD = 2.7V, I_OL = 1mA
0.4
UNITS
V
V
µA
µA
µA
µA
µA
µA
nA
µA
µA
mV
mV
V
mV
mV
ppm
ppm
ppm
°C
V
V
NOTES
3
4, 5
4, 5
4, 5
4, 5
4
4
8
8
2
2
8
3
FN6668.4
December 18, 2008