NSK70721PE.C2 Intel, NSK70721PE.C2 Datasheet - Page 37

• Manufacturer Part Number: NSK70721PE.C2
• Manufacturer: Intel

Specifications of NSK70721PE.C2

• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Datasheet
Figure 11. Clock/Data Relationships: Transparent Operating Mode (#2), Scrambled
Figure 12. Clock/Data Relationships: Independent Operating Mode (#4), Sign First, Scrambler
Figure 13. Clock/Data Relationships: Independent Operating Mode (#5), Scrambled
Independent mode has another option, to enable or disable the internal scrambler. If the scrambler
is bypassed, the user must assure that the 2B1Q pulses are properly scrambled to meet the system
PSD and performance requirements. The data must be presented with the sign bit first.
and
Disabled
Framed Operating Mode (6:7)
The EMDP has two Framed operating modes and can be used in a number of different applications.
The basic framing functions provide ETSI and ANSI compatible framing sequences when operated
at the appropriate line rate. In mode 6 the frame length is either 7006 or 7010 bits long. When
operated at a nominal line rate of 1168 kbps this framing structure is compatible with the ETSI
framing structure specified for two pair HDSL systems. In mode 7 the frame length is either 4702
or 4706 bits long. When operated at a nominal line rate of 784 kbps this framing structure is
compatible with the ANSI framing structure specified for two pair HDSL systems and the ETSI
RQUAT_CLK
Figure 13
TQUAT_CLK
RBIT_ CLK
RBIT_ CLK
TBIT_CLK
TBIT_CLK
RDATA
RDATA
TDATA
TDATA
BIT_CLK
RDATA
TDATA
show the data and clock relationships available in Independent Mode.
Enhanced Multi-Rate DSL Data Pump Chip Set — SK70725/SK70721
Sign t
Sign r
Magnitude t
Magnitude r
Sign t+1
Sign r+1
Magnitude t+1
Magnitude r+1
Sign t+2
Sign r+2
Figure 12
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