si5315 Silicon Laboratories, si5315 Datasheet - Page 40
si5315
Manufacturer Part Number
si5315
Description
Synchronous Ethernet/telecom Jitter Attenuating Clock Multiplier
Manufacturer
Silicon Laboratories
Datasheet
1.SI5315.pdf
(56 pages)
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Si5315
+
SFOUT[1:0] = ML (Output disable)
100
100
CKOUTn
Output from
DSPLL
Figure 16. CKOUTn Structure
The SFOUT [1:0] pins can also be used to disable both outputs. Disabling the output puts the CKOUTn+ and
CKOUTn– pins in a high-impedance state relative to V
(common mode tri-state) while the two outputs remain
DD
connected to each other through a 200 on-chip resistance (differential impedance of 200 ). The maximum
amount of internal circuitry is powered down, minimizing power consumption and noise generation. Recovery from
the disable mode requires additional time as specified in Table 3, “AC Characteristics”.
40
Preliminary Rev. 0.2