SM5022 Datasheet, PDF (7/10 Pages) Nippon Precision Circuits Inc – Crystal Oscillator Module ICs

SM5022 series
TTL (B× series)
5 V operation
V_DD = 4.5 to 5.5 V, V_SS = 0 V, Ta = −20 to 80 °C unless otherwise noted.
Parameter
Symbol
Condition
Rating
Unit
min typ max
Output rise time
t_r3 Measurement cct 6, load cct 2, 0.4V to 2.4V, C_L = 15 p F
Output fall time
t_f3 Measurement cct 6, load cct 2, 2.4V to 0.4V, C_L = 15 p F
Output duty cycle¹
Duty
Measurement cct 6, load cct 2,
Ta = 25 °C , V _{D D} = 5 V, C_L = 15 p F, f = 30 M H z
Output disable delay time² t_PLZ
Output enable delay time²
t_{P Z L}
Measurement cct 7, load cct 2, Ta = 25 °C , V _{D D} = 5 V, C_L = 15 p F
–
2.5
7
ns
–
2.5
7
ns
45
–
55
%
–
–
100
ns
–
–
100
ns
1. Determined by the lot monitor.
2. Oscillator stop function is built-in. When INH goes LOW , normal output stops. When INH goes HIGH, normal output is not resumed until after the
oscillator start-up time has elapsed.
Current consumption and Output waveform with NPC’s standard crystal
Cb
L Ca R
f (MHz)
30
R (Ω)
18.62
L (mH)
16.24
Ca (fF)
1.733
Cb (pF)
5.337
FUNCTIONAL DESCRIPTION
Standby Function
When INH goes LOW, the oscillator output on Q goes high impedance.
INH
HIGH (or open)
LOW
Q
A ny f_O , f_O /2, f_O /4, or f_O /8 output frequency
High impedance
Oscillator
Normal operation
Stopped
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