TRCV012G5 and TRCV012G7
Limiting Amplifier, Clock Recovery, 1:16 Data Demultiplexer
Preliminary Data Sheet
August 2000
Timing Characteristics (continued)
Output Timing (continued)
The timing relationship between the 2.5 GHz or 2.7 GHz output clock (CK2G5P/N) and the 2.5 Gbits/s or
2.7 Gbits/s output data (D2G5P/N) is shown in Figure 11.
tPERIOD
CK2G5P
OUTPUT
CK2G5N
tDD
OUTPUT
DATA 1
DATA 2
DATA 3
D2G5P/N
5-7726(F).er.4
Figure 11. Transmit Timing Waveform with 2.5 GHz or 2.7 GHz Clock
The 2.5 GHz or 2.7 GHz output clock and data signals from Figure 11 are characterized in Table 18.
Table 18. CML Output Pin ac Timing Characteristics
Applicable Symbol
Pins
Parameter
Conditions
Min
Typ
Max
Unit
CK2G5P/N
—
Duty Cycle
RREF1 = 1.8 kΩ
RREF2 = 1.5 kΩ
RL = 50 Ω
40
—
50
60
—
%
ps
ps
ps
tPERIOD 2.48832 GHz Clock Period
2.66606 GHz Clock Period
402
375
201
—
—
All signals
differential
D2G5P/N,
CK2G5P/N
tDD
Time Delay from Clock Edge
to D2G5P/N Edge
151
251
tRISE,
tFALL
Rise, Fall Times:
20%—80%
50
80
0
120
10
ps
ps
tSKEW
Transition Skew Rise to Fall
–10
24
Lucent Technologies Inc.
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