All specifications are subject to change without notice.
DS 270 Rev 01 | 01-09-06
S1643 Series
3.3V CMOS Low Jitter
Crystal Clock Oscillator (XO)
Electrical Performance
Parameter
Min.
Typ.
Max.
Units
Notes
Output frequency
Supply voltage
Supply current, output enabled
Supply current, standby mode
Frequency stability
Operating temperature
Output logic 0, VOL
Output logic 1, VOH
Output load
Duty cycle
Rise and fall
time
1.8432
+3.135
+3.3
106.25
+3.465
10
18
10
±25 to ±50
MHz
V
mA
µA
ppM
°C
V
V
pF
%
ns
As specified
1.8432 to 50 MHz
>50 MHz
Output Hi-Z
See Note 1 below
As specified
I
OL
= 6mA min
I
OH
= -6mA max
-40 to +85°C measured 50%VDD
measured 10/90% of waveform
-40
90% V
DD
+85
10% V
DD
15
45
55
5
Note:
1. As specified. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25°C),
aging (1 year at 25°C average effective ambient temperature), shock and vibration.
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