DS1080L Datasheet, PDF (3/8 Pages) Dallas Semiconductor – Spread-Spectrum Crystal Multiplier

Spread-Spectrum Crystal Multiplier
AC ELECTRICAL CHARACTERISTICS
(V_CC = +3.0 to +3.6V, T_A = -40°C to +125°C.)
PARAMETER
SSO Duty Cycle
Rise Time
Fall Time
Peak Cycle-to-Cycle Jitter
Power-Up Time
Power-Down Time
Dither Rate
SYMBOL
CONDITIONS
SSODC
t_R
t_F
Measured at V_CC/2
(Note 6)
(Note 6)
t_J
f_SSO = 16MHz, T_A = -40 to +85°C,
10,000 cycles (Note 5)
t_POR
PDN pin (Note 7)
16MH z
33.4MH z
t_PDN PDN pin (Notes 8 and 9)
f_DITHER
MIN
TYP
MAX
40
60
1.6
1.6
75
20
11
100
f_IN /
1024
Note 1: All voltages referenced to ground.
Note 2: Maximum source/sink current applied to input to be considered a float.
Note 3: Applicable to pins CMSEL, SMSEL, and PDN.
Note 4: See information about C_L1 and C_L2 in the Applications Information section at the end of the data sheet.
Note 5: Not production tested.
Note 6: For 7pF load.
Note 7: Time between PDN deasserted to output active.
Note 8: Time between PDN asserted to output high impedance.
Note 9: Guaranteed by design.
UNITS
%
ns
ns
ps
ms
ns
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