Spread-Spectrum Crystal Multiplier
AC ELECTRICAL CHARACTERISTICS
(V
= +3.0 to +3.6V, T = -40°C to +125°C.)
CC
A
PARAMETER
SYMBOL
CONDITIONS
/ 2
MIN
TYP
MAX
UNITS
%
SSO Duty Cycle
Rise Time
SSODC
Measured at V
(Note 6)
40
60
CC
t
R
1.6
1.6
ns
Fall Time
t
(Note 6)
ns
F
f
= 16MHz, T = -40 to +85°C,
A
SSO
Peak Cycle-to-Cycle Jitter
t
75
ps
J
10,000 cycles (Note 5)
16MHz
20
11
Power-Up Time
Power-Down Time
Dither Rate
t
t
PDN pin (Note 7)
ms
ns
POR
33.4MHz
PDN pin (Notes 8 and 9)
100
PDN
f
/
IN
f
DITHER
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 and C in the Applications Information section at the end of the data sheet.
L1
L2
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.
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3
DALLAS [ DALLAS SEMICONDUCTOR ]
