S1903 and S1950 Series 3.3V and 5V ACMOS/TTL, High Frequency Crystal Clock Oscillator (XO) Actual Size = 5 x 7mm Product Features Pin Functions Packaging Outline 3.3V or 5V ACMOS/TTL compatible logic levels Pin Function Very tight frequency stability available 1 OE Function 1. 8 Ma x Fast clock edge rate .0 71 2 Ground Pin-compatible with standard 5x7mm packages 3 Clock Output 7 .00. 2 Designed for standard reflow and washing .27 6.0 08 4 V DD techniques 1 2 Pb-free and RoHS/Green compliant 5 .0 0 .2 .1 79 . 00 8 Product Description 4 3 The S19xx Series is a 3.3V or 5V crystal clock oscillator that achieves superb stability and fast rise/fall edges over a broad range of operating conditions and Common Frequencies frequencies. The output clock signal, generated Contact SaRonix for additional frequencies internally with a PLL oscillator design, is compatible with ACMOS/TTL logic levels. The device, available 32.7680 MHz 49.1520 MHz 80.0000 MHz on tape and reel, is contained in a 5x7mm surface- 35.3280 MHz 54.0000 MHz 90.0000 MHz mount ceramic package. 38.8800 MHz 60.0000 MHz 98.3040 MHz 40.0000 MHz 61.4400 MHz 108.0000 MHz 44.7360 MHz 66.0000 MHz 120.0000 MHz Applications 45.0000 MHz 76.8000 MHz 122.8800 MHz The S19xx Series is an ideal reference clock for high- 48.0000 MHz 77.7600 MHz speed applications requiring tight stability, including: T1 / E1 line cards Ordering Information T3 / E3 line cards Network processors Industrial controls Pericom Semiconductor Corporation 1-800-435-2336 S1903 and S1950 Series 3.3V and 5V ACMOS/TTL, High Frequency Crystal Clock Oscillator (XO) Electrical Performance Parameter Min. Typ. Max. Units Notes Output frequency (S1903) 32 125 MHz As specified Output frequency (S1950) 80 125 MHz As specified Supply voltage (S1903) +2.97 +3.3 +3.63 V Supply voltage (S1950) +4.75 +5.0 +5.25 V Supply current (S1903) 35 mA Supply current (S1950) 35 50 mA 20 to Frequency stability ppM See Note 1 below 50 Operating temperature -40 +85 C As specified 20% Output logic 0, VOL (S1903) V V DD 10% Output logic 0, VOL (S1950) V V DD 80% Output logic 1, VOH V V DD Output load (S1903) 95 AC (ACMOS) Output load (S1950) 50 AC (ACMOS) Duty cycle (S1903) 45 55 % -40 to +85C measured 50%VDD Duty cycle (S1950) 40 60 % -40 to +85C measured 50%VDD or 1.5V Duty cycle (S1950) 45 55 % 0 to +70C measured 50%VDD Rise and fall time 2 ns measured 20/80% of waveform ps Jitter, total 80 up to 72 MHz pk-pk ps Jitter, total 120 >72 MHz 0 to 70C pk-pk ps Jitter, total 150 >72 MHz -40 to +85C pk-pk Notes: 1. As specified. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25C), aging (1 year at 25C average effective ambient temperature), shock and vibration. Output Enable / Disable Function Parameter Min. Typ. Max. Units Notes Input Voltage (pin 1), Output 2.2 V or open Enable Input voltage (pin 1), Output 0.8 V Output is Hi-Z Disable Internal pullup resistance 50 k Output disable delay 100 ns Output enable delay 100 ns Pericom Semiconductor Corporation 1-800-435-2336
