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ASTMKH Datasheet, PDF (1/7 Pages) Abracon Corporation – RTC reference clock
Ultra-miniature, Low Power, 32.768kHz MEMS Oscillator
ASTMKH
Moisture Sensitivity Level (MSL) – 1
ESD Sensitive
Pb RoHS/RoHS II compliant
2.0 x 1.2 x 0.6mm
FEATURES:
APPLICATIONS:
• Ultra-miniature size: 2.0 x 1.2 x 0.6mm
• Timekeeping
• Supply Voltage: 1.2V to 3.63V (-10 ~ +70°C); 1.5V to 3.63V (-40 ~ +85°C)
• Battery Management
• Ultra-Low Current Consumption: 1.4µA max. (core current, no load)
• Mobile devices
• Frequency Stabilities include:
±75ppm over -10 to +70°C
±100ppm over -40 to +85°C
• Internal power supply filtering eliminates external bypass capacitor for Vdd port.
• Proprietary NanoDriveTM Technology by SiTime enables programmable output
• RTC reference clock
• Wireless accessories
• Fitness/Medical monitoring sensors
• Sport video cams
swing for lower power
STANDARD SPECIFICATIONS:
Parameters
Output Frequency (Fout)
Initial Frequency Tolerance (Ftol) (1)
Min
Typ
Max Unit
32.768
kHz
-20
+20
ppm
-75
Frequency Stability over Temperature
(Fstab) (2)
-100
-250
+75
+100 ppm
+250
Aging (@+25°C)
-1
+1
ppm
Supply Voltage (Vdd)
1.2
1.5
3.63
3.63
V
0.90
Core Operating Current ( Idd ) (3)
1.3
µA
1.4
Output Stage Operating Current
( Idd out ) (3)
0.065
0.125
µA/Vpp
Power Supply Ramp (tVdd_Ramp)
100
ms
Start-up Time at Power-up (Tstart) (4)
180
300
450
ms
Operating Temperature Range (Tuse)
-10
-40
+70
+85
°C
Period Jitter
35
n sRMS
LVCMOS Output Option ( TA= -40°C to +85°C. Typical values are at TA= +25°C)
Output Rise/Fall Time (tr/tf)
100
200
ns
50
Output Clock Duty Cycle
48
52
%
Output Voltage
VOH
VOL
90%*Vdd
10%*Vdd
V
NanoDriveTM(5) Programmable, Reduced Swing Output Option
Output Rise/Fall Time (tr/tf)
200
ns
Output Clock Duty Cycle
48
52
%
AC-coupled Programmable Output
Swing (VSW)
0.20 to
0.80
V
Notes
TA= +25°C, post reflow,
Vdd:1.5-3.63V
TA= -10°C to +70°C, Vdd:1.5-3.63V
TA= -40°C to +85°C, Vdd:1.5-3.63V
TA= -10°C to +70°C, Vdd:1.2-1.5V
First year
TA= -10°C to +70°C
TA= -40°C to +85°C
TA= +25°C, Vdd: 1.8V. 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.
TA= -40°C to +85°C,
Vdd max: 1.5-3.63V. No load.
TA= -40°C to +85°C, 0 to 90%*Vdd
TA= -40°C≤ TA ≤+50°C, valid output
TA= +50°C≤ TA ≤+85°C, valid output
Option “M”
Option “L”
Cycles=10000, TA= +25°C,
Vdd:1.5-3.63V
10-90%(Vdd), 15pF load, Vdd:1.5-
3.63V
10-90%(Vdd), 5pF load, Vdd≥1.62V
Vdd:1.5-3.63V. IOH= -10µA, 15pF
Vdd:1.5-3.63V. IOL= 10µA, 15pF
30-70%(VOL/ VOH), 10pF load
ASTMKH does not internally AC-
couple. This output description is
intended for a receiver that is AC-
coupled. See Part Identification
section for available AC-coupled
signal swing options.
Vdd:1.5-3.63V. 10pF load,
IOH/ IOL =±0.2µA
ABRACON IS
ISO9001:2008
CE RTIFIED
5101 Hidden Creek Lane Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
LLC For terms and conditions of sales please visit:
www.abracon.com
Revised: 06.17.2017