CLINK3V48BT-133 National Semiconductor, CLINK3V48BT-133 Datasheet - Page 8

• Manufacturer Part Number: CLINK3V48BT-133
• Description: BOARD EVAL FOR DS90CR485, 486
• Manufacturer: National Semiconductor

Specifications of CLINK3V48BT-133

• Main Purpose: Interface, SerDes (Serializer / De-Serializer)
• Embedded: No
• Utilized Ic / Part: DS90CR485, DS90CR486
• Primary Attributes: Serializes 48 LVCMOS/LVTTL to 8 LVDS, 66 ~ 133 MHz
• Secondary Attributes: Transmits over 2 Meter 3M MDR LVDS Cable
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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TEST1
TEST2
NC
V
GND
V
GND
PLLV
PLLGND
LVDSV
LVDSGND
Pin Name
DS90CR485 Pin Description—Channel Link Serializer
CC
CC3V
Note 8: V
Note 9: Inputs default to “low” when left open due to internal pull-down resistor.
LVDS Interface
3V
CC
CC
FIGURE 9. 48 LVCMOS/LVTLL Inputs Mapped to 8 LVDS Outputs (DC Balance Mode- Disabled; BAL = Low)
CC3V
pins must proceed power up before other V
I/O
P
G
P
G
P
G
P
G
I
I
No. of
Pins
14
1
1
3
6
1
1
2
3
4
5
This pin should be tied low or left open. Tied to high (V
future use. (Note 9)
This pin should be tied low or left open. Tied to high (V
future use. (Note 9)
No connect. Make NO Connection to these pins - leave open.
2.5V Power supply pins for core logic.
Ground pins for 2.5V power supply.
3.3V Power supply pin for 3V tolerant input support.
Ground pin for 3.3V power supply.
Power supply pins for PLL circuitry. Connect to 2.5V power supply.
Ground pins for PLL circuitry.
Power supply pins for LVDS outputs. Connect to 2.5V power supply.
Ground pins for LVDS outputs.
(E1 - Falling Edge; E2 - Rising Edge)
CC
pins. See Application Information Section for detail.
8
Description
CC
CC
) or pulled to high (V
) or pulled to high (V
(Continued)
CC
CC
) is reserved for
) is reserved for
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