Q-Tech QT28 - Manual (Page 2)

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Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com
FLAT PACK
CRYSTAL CLOCK OSCILLATORS
-5.2 to -4.5Vdc & 1.8 to 15Vdc - 0.12Hz to 200MHz
Flat Pack (Revision F, August 2010 ) (ECO# 9934)
Electrical Characteristics
Parameters C AC HC T L (*) ECL / PECL (**)
Output freq. range
(Fo) QT21, 24, 25 500Hz — 15MHz 500Hz — 125MHz 0.12Hz — 125MHz 0.12Hz — 125MHz 0.12Hz — 160MHz 1 MHz — 200MHz
QT22, 26, 28 500Hz — 15MHz 500Hz — 85MHz 500Hz — 85MHz 500Hz — 85MHz 500Hz — 85MHz 8MHz — 85MHz
Supply voltage (Vdd)
5V ~ 15Vdc ± 10% 5.0Vdc ± 10% 3.3Vdc ± 10%
-5.2Vdc ± 5% (10K / 10KHECL)
5Vdc ± 5% (PECL)
3.3Vdc ± 5% (LVPECL)
Maximum Applied Voltage (Vdd max.) -0.5 to +18Vdc -0.5 to +7.0Vdc -0.5 to +5.0Vdc
0 to -8.0Vdc (10K / 10KHECL)
0 to +8.0Vdc (PECL)
0 to +5.0Vdc (LVPECL)
Freq. stability (∆F/∆T) See Option codes
Operating temp. (Topr) See Option codes
Storage temp. (Tsto) -62ºC to + 125ºC
Operating supply current
(Idd) (No Load)
F and Vdd dependent
3 mA max. at 5V up to 5MHz
25 mA max. at 15V up to 15MHz
20 mA max. - 0.12Hz ~ < 16MHz
25 mA max. - 16MHz ~ < 40MHz
35 mA max. - 40MHz ~ < 60MHz
45 mA max. - 60MHz ~ < 85MHz
60 mA max. - 85MHz ~ 125MHz
3 mA max. - 0.12Hz ~ < 500kHz
6 mA max. - 500kHz ~ < 16MHz
10 mA max. - 16MHz ~ < 32MHz
20 mA max. - 32MHz ~ < 60MHz
30 mA max. - 60MHz ~ < 100MHz
40 mA max. - 100MHz ~ < 130MHz
50 mA max. - 130MHz ~ 160MHz
45 mA max. - 8MHz ~ < 125MHz
75 mA max. - 125MHz ~ 200MHz
Symmetry
(50% of ouput waveform or 1.4Vdc for
TTL) 45/55% max. Fo < 4MHz
40/60% max. Fo ≥ 4MHz 45/55% max. Fo < 12MHz
40/60% max. Fo ≥ 12MHz 45/55% max. Fo < 12MHz
40/60% max. Fo ≥ 12MHz
Rise and Fall times
(with typical load)
30ns max.
(Measured from 10% to 90%)
15ns max. Fo < 15kHz
6ns max. Fo 15kHz ~ 39.999MHz
3ns max. Fo 40MHz ~ 160 MHz
(Measured from 10% to 90% CMOS or from 0.8V to 2.0V TTL)
3.5ns max. Fo < 125MHz
3ns max. Fo 125MHz ~ 200MHz
(Measured from 20% to 80%)
Output Load
15pF // 10kΩ 10TTL Fo < 20MHz
6TTL Fo ≥ 20MHz
15pF // 10kΩ 50Ω to -2V (10K / 10KH)
50Ω to Vcc -2V (P & LP)
Start-up time (Tstup) 10ms max.
Output voltage (Voh/Vol)
0.9 x Vdd min.; 0.1 x Vdd max. 2.4V min.; 0.4V max. 0.9 x Vdd min.; 0.1 x Vdd max. -1.15V min; -1.54V max. (E)
4V min.; 3.37V max. (PE)
2.27V min.; 1.68V max. (LP)
Output Current (Ioh/Iol)
± 1mA typ. at 5V
± 6.8mA typ. at 15V ± 24mA ±8 mA -1.6mA / TTL
+40μA / TTL
± 4mA . -50mA
Enable/Disable
Tristate function
Call for details
VIH ≥ 2.2V Oscillation;
VIL ≤ 0.8V High Impedance
VIH ≥ 0.7 x Vdd Oscillation;
VIL ≤ 0.3 x Vdd High Impedance
Call for details
Jitter RMS 1σ (at 25ºC)
8ps typ. - < 40MHz
5ps typ. - ≥ 40MHz
15ps typ. - < 40MHz
8ps typ. - ≥ 40MHz
Integrated phase jitter
12kHz - 20MHz 1ps typ.
Aging (at 70ºC) ± 5ppm max. first year / ± 2ppm typ. per year thereafter
(*) Available in 2.5Vdc (N) or 1.8Vdc (R)
(**) Please contact Q-Tech for details on 100KECL logic (EF)
Z Output logic can drive up to 200 pF load with typical 6ns rise & fall times (tr, tf)
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