Temperature Compensated Crystal Oscillators (TCXO) Surface Mount Type TCXO (LSI Type) KT7050 Series for Femtocell/ Stratum3 Features • High stability and high reliability • 2.7 to 5.5V drive available • Clipped sine wave or CMOS level output • Low phase noise • Disable Function (KT7050A) How to Order For Femtocell (Standard Spec.) Freq. Temp. Chrst. : ±0.1×10-6/ -10°C to 70°C KT7050 A 20000 A G T 33 T xx ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ For Stratum3 (Standard Spec.) Freq. Temp. Chrst. : ±0.28×10-6/ -40°C to 85°C Applications KT7050 A 20000 K A W 33 T xx • Femtocell, Stratum3 • SONET/ SDH/ Ethernet ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ① Series ② Land Type RoHS Compliant A B • Compliant to the GR1244-Core & GR253-Core • Recommended in Microsemi’s ZLAN -68 app. note for Stratum3 applications based on tests performed by Kyocera. ⑥ Upper Operating Temp. ⑦ Supply Voltage ③ Output Frequency ④ Freq. Temp. Chrst. 33 T Other* ⑤ Lower Operating Temp. TCXO VCTCXO * Customer Spec. ⑨ Option Code -40°C -10°C 0°C A G J 3.3V ⑧ Voltage Control Range +0.1×10-6 ±0.28×10-6 A K +70°C +85°C T W 10Pads 4Pads Packaging (Tape & Reel 1000 pcs./ reel) Specifications Item Output Frequency Range Symbol fo Conditions Standard Frequency: 10, 12.8, 19.2, 19.44, 20, 20.48, 24.576, 26, 30.72 vs Temperature (-10 to +70°C) [±(fmax-fmin)/ 2fo] vs Temperature (-40 to +85°C) [±(fmax-fmin)/ 2fo] vs Voltage Min. 10 -0.1 -0.28 -0.1 +2.7 — Max. 40 +0.1 +0.28 +0.1 +5.5 5 Units MHz -4.6 +4.6 ×10-6 ±5 0.8 — 90% VCC ±20 — 10% VCC — ×10-6 Vp-p V V ×10-6 Frequency Tolerance f_tol Supply Voltage Current Consumption VCC ICC Frequency Aging f_age Voltage Control Range Output Level Low Level Output Voltage High Level Output Voltage Rise / Fall Time (10%Vcc to 90%Vcc) Symmetry f_cont Vpp VOL VOH 20MHz CMOS output 20years aging @40°C Including temp characteristics, initial tolerance, rated power supply voltage change and load change. Positive *100k ohm min Clipped Sine, Load: 10k ohm // 10pF CMOS, Load: 15pF IOL=4mA CMOS, Load: 15pF IOH=-4mA tr/ tf CMOS, Load: 15pF — 5 ns SYM 50% Vcc 45 55 % Phase Noise @20MHz — - 90 (@10Hz offset) -120 (@100Hz offset) -140 (@1kHz offset) -150 (@10kHz offset) -150 (@100kHz offset) Dimensions dBc/ Hz (Unit: mm) Recommended Land Pattern KT7050A Marking Area #10 #4 #9 1.7 max. #2 #3 #5 1.27 #8 #7 #6 Pin Connection Do not connect (Pin1) Do not connect GND Output Do not connect Tri-state Enable/ Disable connect Vcc Voltage Control (VCTCXO), GND (TCXO) 1.3 0.95 5.08 #1 #2/3 #4 #5 #6/7 #8 #9 #10 GND 1.3 KT7050B 1.2 #1 #3 #2 1.7 max. #4 5.08 #3 4−0.9 #2 #1 #2 #3 #4 Pin Connection Voltage Control (VCTCXO), GND (TCXO) GND Output Vcc 4.20 5.0±0.2 4−1.4 Marking Area #1 7.45 5.08 7.0±0.2 #4 5.45 #4 1.8 #10 #5 2.54 6−0.6 4−0.8 #3 6−0.8 #1 #2 2.54 5.0±0.2 4−1.0 #7 #6 #9 #1 (Unit: mm) 0.75 7.0±0.2 #8 V mA 1.5