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. −40°C −10°C 0°C A G J 3.3V ⑦ Voltage Control Function +0.1×10−6 ±0.28×10−6 A K +70°C +85°C T W 10Pads 4Pads ⑨ Option Code Packaging (Tape & Reel 1000 pcs./ reel) Specifications Item Output Frequency Range Symbol fo Conditions Standard Frequency: 10, 19.2, 20, 24.576, 26, 30.72, 38.88, 40 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 6 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 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 — 8 ns SYM 50% Vcc 45 55 % Phase Noise @20MHz — − 90 (@10Hz offset) −120 (@100Hz offset) −140 (@1kHz offset) −150 (@10kHz offset) −150 (@100kHz offset) V mA dBc/ Hz ∗ Please contact us for other specifications. Dimensions (Unit: mm) Recommended Land Pattern KT7050A #4 #5 #9 1.7 max. #2 #3 1.27 #8 #7 #6 5.08 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 GND 1.3 KT7050B 1.2 #1 #3 #2 4−0.9 #4 1.7 max. #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 Marking Area #10 #1 #2/3 #4 #5 #6/7 #8 #9 #10 1.8 #4 2.54 #10 #5 4−0.8 #3 6−0.8 #1 #2 #9 #1 6−0.6 #7 #6 2.54 5.0±0.2 4−1.0 0.95 0.75 7.0±0.2 #8 (Unit: mm) #3 5.08 1.5