The Smart Timing Choice
The Smart Timing Choice
SiTime Corporation 990 Almanor Avenue Sunnyvale, CA 94085 (408) 328-4400 www.sitime.com
Rev. 1.02 Revised June 24, 2013
SiT8208
Ultra Performance Oscillator
Note:
1. All electrical specifications in the above table are specified with 15 pF output load and for all Vdd(s) unless otherwise stated.
Features Applications
Any frequency between 1 and 80 MHz accurate to 6 decimal places SATA, SAS, Ethernet, PCI Express, video, WiFi
100% pin-to-pin drop-in replacement to quartz-based oscillators Computing, storage, networking, telecom, industrial control
Ultra low phase jitter: 0.5 ps (12 kHz to 20 MHz)
Frequency stability as low as ±10 PPM
Industrial or extended commercial temperature range
LVCMOS/LVTTL compatible output
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 x mm
Instant samples with Time Machine II and field programmable
oscillators
Outstanding silicon reliability of 2 FIT or 500 million hour MTBF
Pb-free, RoHS and REACH compliant
Ultra short lead time
Electrical Characteristics
[1]
Parameter Symbol Min. Typ. Max. Unit Condition
Frequency Range
Output Frequency Range f1–80MHz
Frequency Stability and Aging
Frequency Stability F_stab -10 – +10 PPM
Inclusive of Initial tolerance at 25 °C, and variations over
operating temperature, rated power supply voltage and load
-20 – +20 PPM
-25 – +25 PPM
-50 – +50 PPM
First year Aging F_aging -1.5 – +1.5 PPM 25°C
10-year Aging -5 – +5 PPM 25°C
Operating Temperature Range
Operating Temperature Range T_use -20 – +70 °C Extended Commercial
-40 – +85 °C Industrial
Supply Voltage and Current Consumption
Supply Voltage Vdd 1.71 1.8 1.89 V Supply voltages between 2.5V and 3.3V can be supported.
Contact SiTime for additional information.
2.25 2.5 2.75 V
2.52 2.8 3.08 V
2.97 3.3 3.63 V
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 A
Vdd = 2.5V, 2.8V or 3.3V, ST
= GND, output is Weakly Pulled
Down
––10A
Vdd = 1.8 V. ST
= GND, output is Weakly Pulled Down
LVCMOS Output Characteristics
Duty Cycle DC 45 – 55 %
Rise/Fall Time Tr, Tf – 1.2 2 ns 15 pF load, 10% - 90% Vdd
Output Voltage High VOH 90% – – Vdd IOH = -6 mA, IOL = 6 mA, (Vdd = 3.3V, 2.8V, 2.5V)
IOH = -3 mA, IOL = 3 mA, (Vdd = 1.8V)
Output Voltage Low VOL– –10%Vdd
Input Characteristics
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 kΩ
Pin 1, OE logic high or logic low, or ST
logic high
2––MΩ
Pin 1, ST
logic low