IDT77V1264L200PGI IDT, Integrated Device Technology Inc, IDT77V1264L200PGI Datasheet - Page 31

• Manufacturer Part Number: IDT77V1264L200PGI
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT77V1264L200PGI

• Number Of Channels: 4
• Type Of Atm Phy Interface: UTOPIA
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3.13V
• Operating Supply Voltage (max): 3.47V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Pin Count: 144
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

derived. For example, at data rate of 25.6Mbps, jitter added going through Line Card 3 is 1.5ns -1.4ns (as shown in the waveforms below).
IDT77V1264L200
Loop Timing Jitter Specification
The waveforms below show some of the measurements taken with the set-up in Figure 35. Using the formula above, the jitter specification was
OSC
Line Rate
Mbps
Normal Mode
128
256
32
64
P0
TX
RX
1
Data Rate
Mbps
102.4
204.8
25.6
51.2
Figure 35 Test Setup for Loop Timing Jitter Measurements
3
4
2
5
RX
TX
RX
RX
TX
TX
Min.
Table 4 Loop Timing Jitter
--
--
--
--
Loop Timing Mode
Loop Timing Mode
Loop Timing Mode
CLK
CLK
CLK
31 of 49
P1
P2
P3
100 ps
100 ps
Typ.
80 ps
20 ps
Max.
--
--
--
--
Data
Data
Data
Data
Data
Data
Using 32Mhz OSC, multiplier at 1x
Using 64Mhz OSC, multiplier at 1x
Using 32Mhz OSC, multiplier at 4x
Using 64Mhz OSC, multiplier at 4x
Note
SWITCH
December 2004