VF594-T V C X O VF594–T HCMOS/TTL Compatible Tristate VCXO Surface Mount Ceramic Package F E AT U R E S Wide Frequency Range • Very Low Phase Jitter at All Frequencies • Wide Pullability (±1000ppm available at some frequencies) • Absolute Max. Ratings Parameter Symb Max Unit Vcc –0.5 7.0 V Storage Temp. Ts –55 +85 °C Control Voltage Vc –1 9 V F 1.54 160 MHz Input Break Down Voltage Frequency Range EMI Shielded • Standard Footprint • Frequency Stability ∆F/F Input Voltage Vcc Input Current Icc VF594-T Duty Cycle 0.385" MAX. (9,78mm) 44.736MHZ Electrical BO1H 1 0.550" TYP. (13,97mm) 0.130" TYP. (3,302 mm) 0.200" (5,08mm) 40 20% to 80% Voh Max Load Logic “0” Level Vol Max Load Start–up Time Ts 1 2 3 Absolute Pull Range 6 5 4 Tristate Function 50 Setability (Vc for center freq) VF594 FREQUENCY STABILITY Code Specification S ±20 ±25 FREQ. T ABSOLUTE PULL RANGE (ppm) ppm ppm (std.) Code Specification XXXX ±50 ppm (std.) up to ±1000 ppm Environmental and Mechanical Creating a Part Number (customer to specify) V Std. LV Opt. mA @20MHz fm Vc 60 % 1 6 ns 2 0.1Vcc 2 10 1 @Vc = 2.5V 10 fm<10KHz 50 Vcc = 5V Vcc = 3.3V 0.00 0.00 ms ps fj>1KHz KHz @–3db KOhm 2.50 1.65 Monotonic, Positive 5.00 3.30 50 75 APR V 3 ppm/V Vcc = 5.0V Vcc = 3.3V ±50 ppm Input HIGH (>2.5V) or floating: ACTIVE Input LOW (<0.5V): INFINITE IMPEDANCE Linearity All dimensions are typical unless otherwise specified. ppm 0.9Vcc 1σ Deviation Slope 0.300" (7,62 mm) Mounting Center 5.25 3.45 12 Tr/Tf Control Voltage 5.00 3.30 No Load Logic “1” Level Input Impedance 0.100" (2,54mm) Note ±25 4.75 3.15 Rise/Fall Time Modulation BW Typ Vs. Temp., Vcc @1.4V Phase Jitter 0.185" MAX. (4,70mm) Min 10 TTL gates or 50pF MAX AC coupled 50 Ohm termination recommended @ F>54 MHz Load 0.350" MAX. (8,89mm) Condition Vc0 @25°C, Fnom. 2.00 1.20 2.50 1.65 ±20 % 4 3.00 2.10 V Vcc = 5.0V Vcc = 3.3V Operating Temperature Range 0°C to +70°C (–40°C to +85°C available) Mechanical Shock Per MIL–STD–202, Method 213, Cond. E Thermal Shock Per MIL–STD–883, Method 1011, Cond. A Vibration Per MIL–STD–883, Method 2007, Cond. A Soldering Conditions 260°C, for 10s, Max; 230°C, for 90s, Max. Hermetic Seal Leak rate less than 5 x 10–8 atm.cc/s of helium Pin Out Pin #1–Voltage Control Pin #3–Ground, Case Pin #5–N/C Code Specification H ±5% ±10% (std.) Code Specification 1 0°C to +70°C (std.) -40°C to +85°C INPUT VOLTAGE Code Specification L 3.3 Volt ±5% 5.0 Volt ±5% (std.) Example: VF594SHL-T-100-44.736MHz: Frequency Stability ±20ppm, Duty Cycle ±5%, Input Voltage 3.3 Volt ±5%, Operating Temperature 0°C to +70°C, Tristate Output, APR ±100ppm, Frequency 44.736MHz. Electrical Connections OPERATIONAL TEMP. RANGE DUTY CYCLE Pin #2–Tristate Control Pin #4–Output Pin #6–Vcc Notes: 1. Tighter duty cycle available. 2. Frequency dependent. Shorter at higher frequencies. 3. 0V to 5V control voltage available for Vcc 3.3V. Nominal Control Voltage is 2.5V and Setability is ±0.5V in this case. 4. 10% and 5% available. All specifications are subject to change without notice. 86 75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 Fax: 508-435-5289 www.valpeyfisher.com