CLINK3V48BT-112 National Semiconductor, CLINK3V48BT-112 Datasheet - Page 10
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CLINK3V48BT-112
Manufacturer Part Number
CLINK3V48BT-112
Description
KIT EVAL 48BIT DS90CR481/2/3/4
Manufacturer
National Semiconductor
Datasheets
1.DS90CR481VJDNOPB.pdf
(21 pages)
2.DS90CR483VJDNOPB.pdf
(22 pages)
3.CLINK3V48BT-112.pdf
(20 pages)
4.CLINK3V48BT-112.pdf
(34 pages)
Specifications of CLINK3V48BT-112
Main Purpose
Interface, Serializer, Deserializer (SERDES)
Utilized Ic / Part
DS90CR481, DS90CR482, and DS90CR483
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
Design Tip Overview
Channel Link are robust, easy-to-use SerDes, but to get the best performance from your interconnect design, it’s a good idea to review your
design for best practices.
•
requirements.
•
data sampling. Keep supply noise under 100 mV peak-to-peak on PLL V
•
the transmitter serial output.
•
termination resistor is close to the receiver input.
•
receiver TTL outputs RxOUT if driving long PCB traces and/or more than 1-2 loads.
Pair-to-Pair Skew: Large skew between LVDS clock and data pairs can cause mis-sampling of data. Make sure pair-to-pair skew meets RSKM
Power Supply Noise: Excessive supply noise, especially on the PLL supply, can add jitter to the transmitter serial output and affect the receiver
Transmit Clock: Minimize excessive cycle-to-cycle jitter on the transmit clock TxCLKIN in the range of 200 kHz - 3 MHz which can add jitter to
Serial Bus: Should follow LVDS PCB layout and backplane recommendations, using proper termination, avoiding long stubs, and assuring the
Parallel Bus: The parallel TTL signals should meet setup and hold times and should be free from excessive overshoot/undershoot. Buffer
10
Design Review
Check Your Design for High Performance
CC
pins.
Ω