ISM92 Series Product Features: Low Jitter, Non-PLL Based Output CMOS/TTL Compatible Logic Levels Compatible with Leadfree Processing Frequency Applications: Fibre Channel Server & Storage Sonet /SDH 802.11 / Wifi T1/E1.T3/E3 System Clock 1.5 MHz to 125.000 MHz Output Level HC-MOS TTL Duty Cycle `0' = 0.1 Vcc Max., `1' = 0.9 Vcc Min. `0' = 0.4 VDC Max., `1' = 2.4 VDC Min. Specify 50% 10% or 5% See Table in Part Number Guide Rise / Fall Time 5 nS Max. @ Vcc = +3.3 VDC, 10 nS Max. @ Vcc = +5 VDC *** Output Load Fo < 50 MHz = 10 TTL, Fo > 50 MHz = 5 LSTTL See Table in Part Number Guide Frequency Stability Start-up Time See Frequency Stability Table (Includes room temperature tolerance and stability over operating temperature) 10 mS Max. Enable / Disable Time 100 nS Max. N.C. or 70% Vdd = Enable. 30% Vdd = Disable. Supply Voltage See Input Voltage Table, tolerance 5 % Current 40 mA Max. *** Operating See Operating Temperature Table in Part Number Guide Storage -55 C to +125 C Jitter: RMS(1sigma) 1 MHz-75 MHz 5 pS RMS (1 sigma) Max. accumulated jitter (20K adjacent periods) 3 pS RMS (1 sigma) Max. accumulated jitter (20K adjacent periods) 76 MHz-125 MHz Max Integrated 1 MHz-75 MHz 76 MHz-125 MHz Max Total Jitter 1 MHz-75 MHz 76 MHz-125 MHz 1.5 pS RMS (1 sigma -12KHz to 20MHz) 1 pS RMS (1 sigma -12KHz to 20MHz) 50 pS p-p (100K adjacent periods) 30 pS p-p (100K adjacent periods) Part Number Guide Sample Part Number: ISM91 - 3251BH - 20.000 Package Input Operating Symmetry Output Voltage Temperature (Duty Cycle) 5 = 5.0 V 1 = 0 C to +70 C 5 = 45 / 55 Max. 1 = 10TTL / 15 pF HC-MOS 3 = 3.3 V 6 = -10 C to +70 C 6 = 40 / 60 Max. 5 = 50 pF HC-MOS (<40 MHz) ISM92 - 7 = 3.0 V Pin Connections Pin 1 Enable / Disable Pin 2 Ground Pin 3 Output Pin 4 Vdd Dimension Units: mm 3 = -20 C to +70 C 6 = 30 pF 2 = 2.7 V 4 = -30 C to +75 C 6 = 2.5 V 2 = -40 C to +85 C 1 = 1.8 V* Stability (in ppm) **E = 10 **D = 15 **F = 20 **A = 25 B = 50 C = 100 Enable / Disable H = Enable O = N/C Frequency - 20.000MHz NOTE: A 0.01 F bypass capacitor is recommended between Vcc (pin 4) and GND (pin 2) to minimize power supply noise. * Not available at all frequencies. ** Not available for all temperature ranges. *** Frequency, supply, and load related parameters. Revised B: 06/09 Page 2 of 6 www.ilsiamerica.com ISM92 Series Pb Free Solder Reflow Profile: Typical Application: *Units are backward compatible with 240C reflow processes Package Information: MSL = N.A. (package does not contain plastic, storage life is unlimited under normal room conditions). Termination = e4 (Au over Ni over W base metallization). Tape and Reel Information: Quantity per Reel A B C D E F Revised B: 06/09 Page 3 of 6 1000 16 0.3 8 0.2 7.5 0.2 17.5 1 50 / 60 / 80 180 / 250 www.ilsiamerica.com