The Smart Timing Choice
The Smart Timing Choice
SiTime Corporation 990 Almanor Avenue Sunnyvale, CA 94085 (408) 328-4400 www.sitime.com
Rev. 1.0 Revised November 12, 2015
SiT5001
1-80 MHz MEMS TCXO and VCTCXO
Features Applications
Any frequency between 1 and 80 MHz accurate to 6 decimal places WiFi, 3G, LTE, SDI, Ethernet, SONET, DSL
100% pin-to-pin drop-in replacement to quartz-based (VC)TCXO Telecom, networking, smart meter, wireless, test instrumentation
Frequency stability as low as ±5 ppm. Contact SiTime for tighter
stability options
Ultra low phase jitter: 0.5 ps (12 kHz to 20 MHz)
Voltage control option with pull range from ±12.5 ppm to ±50 ppm
LVCMOS compatible output with SoftEdge™ option for EMI reduction
Voltage control, standby, output enable or no connect modes
Standard 4-pin packages: 2.5 x 2.0, 3.2 x 2.5, 5.0 x 3.2, 7.0 x 5.0 mm
Outstanding silicon reliability of 2 FIT, 10 times better than quartz
Pb-free, RoHs and REACH compliant
Electrical Characteristics
Parameter Symbol Min. Typ. Max. Unit Condition
Output Frequency Range f1–80MHz
Initial Tolerance F_init -1 – 1 ppm At 25°C after two reflows
Stability Over Temperature F_stab -5 – +5 ppm Over operating temperature range at rated nominal power
supply voltage and load. (see ordering codes on page 6)
Contact SiTime for tighter stability options.
Supply Voltage F_vdd – 50 – ppb ±10% Vdd (±5% for Vdd = 1.8V)
Output Load F_load – 0.1 – ppm 15 pF ±10% of load
First year Aging F_aging -2.5 – +2.5 ppm 25°C
10-year Aging -4.0 – +4.0 ppm 25°C
Operating Temperature Range T_use -20 – +70 °C Extended Commercial
-40 – +85 °C Industrial
Supply Voltage Vdd 1.71 1.8 1.89 V Contact SiTime for any other supply voltage options.
2.25 2.5 2.75 V
2.52 2.8 3.08 V
2.70 3.0 3.3 V
2.97 3.3 3.63 V
Pull Range PR ±12.5, ±25, ±50 ppm
Upper Control Voltage VC_U Vdd-0.1 – – V All Vdds. Voltage at which maximum deviation is guaranteed.
Control Voltage Range VC_L – – 0.1 V
Control Voltage Input Impedance Z_vc 100 – – k
Frequency Change Polarity – Positive slope –
Control Voltage -3dB Bandwidth V_BW – – 8 kHz
Current Consumption Idd – 31 33 mA No load condition, f = 20 MHz, Vdd = 2.5V, 2.8V or 3.3V.
– 29 31 mA No load condition, f = 20 MHz, Vdd = 1.8V.
OE Disable Current I_OD – – 31 mA Vdd = 2.5V, 2.8V or 3.3V, OE = GND, output is Weakly Pulled Down
– – 30 mA Vdd = 1.8 V. OE = GND, output is Weakly Pulled Down
Standby Current I_std – – 70 µA Vdd = 2.5V, 2.8V or 3.3V, ST = GND, output is Weakly Pulled Down.
– – 10 µA Vdd = 1.8V. ST = GND, output is Weakly Pulled Down.
Duty Cycle DC 45 – 55 % All Vdds
LVCMOS Rise/Fall Time Tr, Tf – 1.5 2 ns LVCMOS option. Default rise/fall time, All Vdds, 10% - 90% Vdd.
SoftEdge™ Rise/Fall Time SoftEdge™ Rise/Fall Time Table ns SoftEdge™ option. Frequency and supply voltage dependent.
Output Voltage High VOH 90% – – Vdd OH = -7 mA, IOL = 7 mA, (Vdd = 3.3V, 3.0V)
IOH = -4 mA, IOL = 4 mA, (Vdd = 2.8V, 2.5V)
IOH = -2 mA, IOL = 2 mA, (Vdd = 1.8V)
Output Voltage Low VOL– –10%Vdd
Input Voltage High VIH 70% – – Vdd Pin 1, OE or ST
Input Voltage Low VIL – – 30% Vdd Pin 1, OE or ST
Input Pull-up Impedance Z_in – 100 250 k