DS90CR217MTD National Semiconductor, DS90CR217MTD Datasheet - Page 8

• Manufacturer Part Number: DS90CR217MTD
• Description: Driver IC
• Manufacturer: National Semiconductor

Specifications of DS90CR217MTD

• Peak Reflow Compatible (260 C): No
• Device Type: Differential Line Driver
• Supply Voltage: 3.3V
• Supply Voltage Max: 3.3V
• Driver Case Style: TSSOP
• Leaded Process Compatible: No
• No. Of Pins: 48
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

www.national.com
TxIN
TxOUT+
TxOUT−
TxCLK IN
TxCLK OUT+
TxCLK OUT−
PWR DWN
V
GND
PLL V
PLL GND
LVDS V
LVDS GND
AC Timing Diagrams
Applications Information
The Channel Link devices are intended to be used in a wide
variety of data transmission applications. Depending upon
the application the interconnecting media may vary. For
example, for lower data rate (clock rate) and shorter cable
lengths (
CC
Pin Name
CC
CC
<
2m), the media electrical performance is less
I/O
O
O
O
O
I
I
I
I
I
I
I
I
I
No.
FIGURE 10. Transmitter LVDS Output Pulse Position Measurement
21
3
3
1
1
1
1
4
5
1
2
1
3
DS90CR217 Pin Descriptions — Channel Link Transmitter
TTL level input.
Positive LVDS differential data output.
Negative LVDS differential data output.
TTL level clock input. The rising edge acts as data strobe. Pin name TxCLK IN. See
Applications Information section.
Positive LVDS differential clock output.
Negative LVDS differential clock output.
TTL level input. Assertion (low input) TRI-STATEs the outputs, ensuring low current at power
down. See Applications Information section.
Power supply pins for TTL inputs.
Ground pins for TTL inputs.
Power supply pins for PLL.
Ground pins for PLL.
Power supply pin for LVDS outputs.
Ground pins for LVDS outputs.
(Continued)
8
critical. For higher speed/long distance applications the me-
dia’s performance becomes more critical. Certain cable con-
structions provide tighter skew (matched electrical length
between the conductors and pairs). Twin-coax for example,
has been demonstrated at distances as great as 5 meters
Description
20190319