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Termination for HCSL Outputs
The Si5332 HCSL driver option integrated termination resistors to simplify interfacing to an HCSL receiver. The HCSL driver supports
both 100 Ω and 85 Ω transmission line options. This configuration option may be specified using ClockBuilder Pro or via the device I2C
interface.
1.71 V to 3.465 V
OUTx
OUTx
Zo = 42.5 Ω
or 50 Ω
HCSL
Receiver
Zo = 42.5 Ω
or 50 Ω
Si5332
HCSL Output
Driver
Figure 3.11. HCSL Internal Termination Mode
1.71 V to 3.465 V
OUTx
OUTx
Zo = 42.5 Ω
or 50 Ω
HCSL
Receiver
Zo = 42.5 Ω
or 50 Ω
R
T
= Zo
R
T
= Zo
Si5332
HCSL Output
Driver
Figure 3.12. HCSL External Termination Mode
Si5332 Data Sheet • Functional Description
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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Rev. 1.3 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 16, 2021
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