MEMS Ultra-Low Power Oscillator, 32.768 kHz Quartz XTAL Replacement
33Features:
IM890 Series
Typical Applications:
Mobile Phones
Tablets
Health and Wellness Monitors
Wireless Keypads
Ultra-Small Notebook PC
MEMS Technology
Small SMD package: 2.0 x 1.2 mm (2012)
Fixed 32.768 kHz output frequency
NanoDrveTM programmable output swing for lowest power
Pb-free, RoHS and REACH compliant
Electronic Specifications:
32.768 kHz
Fixed Output Frequency
Frequency Tolerance[1]
±20 ppm max
±75 ppm max
±100 ppm max
±250 ppm max
±1 ppm max
TA = +25°C, Post Reflow, Vdd: 1.5V – 3.63V
TA = -10°C to +70°C Vdd: +1.50V to +3.63V
TA = -40°C to +85°C, Vdd: +1.50V to +3.63V
TA = -10°C to +70°C, Vdd: +1.20V to+1.50V
1st Year
Frequency Stability[2]
Aging +25°C ±2°C
+1.20V min, +3.63 V max
+1.50V min, +3.63 V max
TA = -10°C to +70°C
TA = -40°C to +85°C
Operational Supply Voltage
0.90 µA typ.
1.30 µA max
1.40 µA max
TA - +25°C, Vdd: +1.80V No load
TA = -10°C to +70°C, Vdd max, +3.63V No load
TA = -40°C to +85°C, Vdd max, +3.63V No load
Core Operating Current [3]
0.065 µA/Vpp typ.
0.125 µA/Vpp max
Output Stage Operating Current[3]
Power-Supply Ramp
TA = -40°C to +85°C, Vdd: 1.5V – 3.63V. No load
TA = -40°C to +85°C, 0 to 90% Vdd
100 mSec max
TA = -40°C ≤ T ≤ +50°C, validoutput
180 mSec typ., 300 ms max
450 mSec max
A
Start-up Time at Power-up [4]
TA = +50°C < T ≤ +85°C, valid output
A
Notes:
1. Measured peak-to-peak. Tested with Agilent 53132A frequency counter. Due to the low operating frequency, the gate time must be ≥100 ms to
ensure an accurate frequency measurement.
2.Stability is specified for two operating voltage ranges. Stability progressively degrades with supply voltage below 1.5V. Measured peak-to-
peak. Inclusive of Initial Tolerance at 25°C, and variations over operating temperature, rated power supply voltage and load.
3.Core operating current does not include output driver operating current or load current. To derive total operating current (no load), add core
operating current + (0.065 µA/V) * (peak-to-peak output Voltage swing).
4.Measured from the time Vdd reaches 1.5V
.
LVCMOS Output Option, TA = -40°C to +85°C,, typical values are at TA = +25°C
100 nSec typ. 200 nSec max
50 nSec max
10-90% (Vdd), 15 pF load, Vdd = 1.5V to3.63V
10-90% (Vdd), 5 pF load, Vdd ≥ 1.62V
Output Rise / Fall Time
48/52% min/max
90% min
Symmetry
Logic “1”
Logic ‘0”
Vdd: 1.5V – 3.63V. I
Vdd: 1.5V – 3.63V. I
= -10 μA, 15 pF
= -10 μA, 15 pF
OH
OH
10% max
NanoDriveTM Programmable, Reduced Swing Output
30-70% (V /V ), 10 pF Load
OL OH
200 nSec max
Output Rise / Fall Time
Symmetry
48/52% min/max
Vdd: 1.5V – 3.63V, 10 pF Load, I
/ I = ±0.2 μA.
OH OL
AC-coupled Programmable Output
Swing
IM890 does not internally AC-couple. This output description is
intended for a receiver that is AC-coupled. See Table 2 for
acceptable NanoDrive swing options.
0.20 V to 0.80 V typ.
Vdd: 1.5V – 3.63V. I
= -0.2 μA, 10 pF Load.
setting levels
OH OL
= 0.2 μA, 10 pF Load.
DC-Biased Programmable Output
Voltage High Range
OH
See Table 1 for acceptable V /V
0.60 V to 1.225 V typ.
0.35 V to 0.80 V typ.
Vdd: 1.5V – 3.63V. I
OL
See Table 1 for acceptable V /V
DC-Biased Programmable Output
Voltage High Range
setting levels.
OH OL
Programmable Output Voltage
Swing Tolerance
T
A
= -40°C to +85°C, Vdd = 1.5V to 3.63V.
±0.055 V max
Cycles = 10,000, T = 25°C, Vdd = 1.5V – 3.63V
35 nSecRMS typ.
Period Jitter
A
Rev 05/17/16_B
Page 1 of 10
ILSI America Phone 775-851-8880 ● Fax 775-851-8882 ●email: e-mail@ilsiamerica.com ●
www.ilsiamerica.com
Specifications subject to change without notice
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