MEMS Oscillator Specification IQMS-143 ISSUE 1; March 2016 Outline (mm) Description Smallest footprint chip scale package (CSP), ultra low power MEMS Temperature Compensated Oscillator at 32.768kHz with CMOS output in a plastic package featuring a programmable drive strength feature to optimise specific clock applications. Factory programmable for a short lead time. Uses SiTime’s MEMS First™ technology. APPLICATIONS: Smart Meters (Automatic Meter Reading) Health and Wellness Monitors Pulse-per-Second (pps) Timekeeping RTC Reference Clock Frequency Parameters 32.768kHz ±5.00ppm to ±20.00ppm ±1ppm max in 1st year @ 25°C & Vs=3.3V Frequency Stability and Tolerance Combined (Over Temperature): When stability=±5ppm, stability and tolerance combined=±10ppm When stability=±10ppm, stability and tolerance combined=±13ppm When stability=±20ppm, stability and tolerance combined=±22ppm Note: Frequency Stability is measured as peak-to-peak/2. Inclusive of three reflow processes and ±20% load variation, no board level underfill. Tested with an Agilent 53132A frequency counter. Due to the low operating frequency the gate time must be ≥100ms to ensure an accurate frequency measurement. Supply Voltage Variation: @ Vs=1.8V ±10%: ±0.75ppm max @ Vs=1.5V to 3.63V: ±1.5ppm max Frequency Frequency Stability Ageing Electrical Parameters Supply Voltage: 1.5V to 3.63V @ -40°C to 85°C Absolute Maximum Supply Voltage Rating: -0.5 to 3.63V Absolute Short Duration Supply Voltage (30mins max): 4.0V max Note: Operating beyond these limits may result in change or permanent damage to the oscillator. Core Operating Current: Measured with TA=25°C, Vs=1.8V and no load: 0.99μA typ TA=-40°C to 85°C, Vs=1.5V to 3.63V and no load: 1.52μA max Note: Core Operating Current does not include Output Driver Operating Current or load current. To derive Total Operating Current (no load) add Core Operating Current + Output Driver Operating Current (a function of Output Voltage Swing). Power Supply Ramp (Vs ramp-up from 0 to 90%, TA=-40°C to 85°C): 100ms max Start Up Time @ Power Up: Measured with TA=-40°C to 60°C, valid output: 180ms typ, 300ms max TA=60°C to 70°C, valid output: 350ms max TA=70°C to 85°C, valid output: 380ms max Sales Office Contact Details: UK: +44 (0)1460 270200 France: 0800 901 383 Germany: 0800 1808 443 USA: +1.760.318.2824 Printed on 31 Aug 16 16:03 using Model Data Sheet V1.2550 Email: [email protected] Web: www.iqdfrequencyproducts.com Page 1 of 3 MEMS Oscillator Specification IQMS-143 Operating Temperature Ranges 0 to 70°C -40 to 85°C Output Details Output Compatability CMOS Drive Capability 15pF Output Voltage Levels (Vs=1.5V to 3.63V, Ioh/Iol=±1μA & load=15pF): Output Low (VoL): 10%Vs max Output High (VoH): 90%Vs min Rise & Fall Time (10% to 90%Vs): Load=15pF: 200ns max Load=5pF load & Vs=1.62V max): 50ns max Programmable Drive Strength: The IQMS-143 includes a programmable drive strength feature to provide a flexible tool to optimise the clock rise/fall time for specific applications. Programmable Output Voltage Swing Tolerance (TA=-40°C to 85°C & Vs=1.5V to 3.63V): ±0.055V max Reduced Swing Output Details: Rise & Fall Time (30% to 70%Vs & load=10pF): 200ns max Duty Cycle: 48/52% max AC-Coupled Programmable Output Swing (Vs=1.5V to 3.63V, load=10pF & Ioh/Iol=±0.2μA): Typically 0.2V to 0.8V (Note: IQMS-143 does not internally AC-couple. This output description is intended for a receiver that is AC-coupled.) DC-Biased Programmable Output Voltage High Range (Vs=1.5V to 3.63V, load=10pF & Ioh=-0.2μA: Typically 0.6V to 1.225V DC-Biased Programmable Output Voltage Low Range (Vs=1.5V to 3.63V, load=10pF & Iol=0.2μA): 0.35V to 0.8V Noise Parameters Period Jitter (10000 cycles): Measured with TA=25°C, Vs=1.5V to 3.63V: 35ns RMS typ Long Term Jitter (81920 cycles [2.5 sec], 100 samples): Measured over operating temperature range: 2.5μs pk-pk max Environmental Parameters Storage Temperature Range: –65 to 150°C Absolute Operating Temperature (Vs=1.5V to 3.63V): 105°C max Absolute Short Duration Operating Temperature (30mins max, Vs=1.5V to 3.63V): 125°C max Junction Temperature: 150°C max ESD Levels: Human Body Model (JESD22-A114): 3000V max Charge Device Model (JESD22-A115): 750V max Machine Model (JESD22-C101): 300V max Mechanical Shock: MIL-STD-883, Method 2002: 10000G max Vibration: MIL-STD-883, Method 2007: 70G max Latch Up Tolerance (JESD78): Compliant Note: Operating beyond these limits may result in change or permanent damage to the oscillator. Manufacturing Details Maximum Process Temperature: Reflow profile as per JESD22-A113D. Cleaning: Do not ultrasonic clean, this may cause permanent damage or long-term reliability issues to the oscillator. Note: Do not apply underfill to the oscillator, the device will not meet the frequency stability specification if underfill is applied. Sales Office Contact Details: UK: +44 (0)1460 270200 France: 0800 901 383 Germany: 0800 1808 443 USA: +1.760.318.2824 Printed on 31 Aug 16 16:03 using Model Data Sheet V1.2550 Email: [email protected] Web: www.iqdfrequencyproducts.com Page 2 of 3 MEMS Oscillator Specification IQMS-143 Compliance RoHS Status (2011/65/EU) REACh Status MSL Rating (JDEC-STD-033): Compliant Compliant 1 Packaging Details Pack Style: Reel Pack Size: 1,000 Tape & reel in accordance with EIA-481-D Electrical Specification - maximum limiting values 0.00V Frequency Temperature Range °C ppm mA ns % 32.768000kHz -40 to 85 ±5.00 - 200 48/52% 0 to 70 ±5.00 - 200 48/52% Stability (Min) Current (NoLoad) Rise and Fall Time Duty Cycle This document was correct at the time of printing; please contact your local sales office for the latest version. Click to view latest version on our website. Sales Office Contact Details: UK: +44 (0)1460 270200 France: 0800 901 383 Germany: 0800 1808 443 USA: +1.760.318.2824 Printed on 31 Aug 16 16:03 using Model Data Sheet V1.2550 Email: [email protected] Web: www.iqdfrequencyproducts.com Page 3 of 3