TLK6002 Datasheet, PDF (65/96 Pages) Texas Instruments – Dual Channel 0.47Gbps to 6.25Gbps Multi-Rate Transceiver

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Serial Transmitter Characteristics (continued)
PARAMETER
CONDITION
MIN
CPRI LV
t_skew
Output Skew
CPRI HV
CPRI LV-II (DCD ≤ 0.05UI)
CPRI LV (Note: MIN is not per CPRI)
54
tr, tf
Differential output signal rise, fall time (20%
to 80%)Differential Load = 100Ω
CPRI HV (Note: MIN is not per CPRI)
55
CPRI LV-II
30
J_T
Serial Output Total Jitter
(CPRI LV/LV-II and OBSAI rates)
Serial Rate ≤ 3.072 Gbps(Not Applicable to LV-II)
Serial Rate > 3.072 Gbps(And All LV-II Rates)
J_D
Serial Output Deterministic Jitter
(CPRI LV/LV-II and OBSAI rates)
Serial Rate ≤ 3.072 Gbps(Not Applicable to LV-II)
Serial Rate > 3.072 Gbps(And All LV-II Rates)
J_T
Serial Output Total JitterJitter (CPRI
E.6/12.HV)
CPRI E.6/12.HV(0.6144 and 1.2288 Gbps)
J_D
Serial Output Deterministic Jitter (CPRI
E.6/12.HV)
T_(LATENCY) Transmit Latency
See latency specifications in Appendix D.
–
TLK6002
SLLSE34 – MAY 2010
NOM
–
–
–
–
MAX
15
25
15
–
327
–
0.35
0.30
0.17
0.15
UNIT
ps
ps
UI
UI
0.279
0.14
–
Bit
Times
V_CMT
0.5* V_DE*
V_OD(pp)
0.5*
V_OD(pp)
0.25* V_DE*VOD(pp)
,t_r t_f
bit
time
0.25* V_O(pp)
Figure 4-1. Transmit Output Waveform Parameter Definitions
+V_0/0
+V_pst
+V_pre
+V_ss
0
-V_ss
-V_pre
-V_pst
-V_0/0
UI
h_-1 = TWPRE (0% -17.5% for typical application) setting
h₁ = TWPOST1 (0% -37.5% for typical application) setting
h₀ = 1 - |h₁| - |h_-1|
V_0/0 = Output Amplitude with TWPRE = 0%, TWPOST = 0%.
V_ss = Steady State Output Voltage = V_0/0 * | h₁ + h₀ + h_-1|
V_pre = PreCursor Output Voltage = V_0/0 * | -h₁ – h₀ + h_-1|
V_pst = PostCursor Output Voltage = V_0/0 * | -h₁ + h₀ + h_-1|
Figure 4-2. Pre/Post Cursor Swing Definitions
Copyright © 2010, Texas Instruments Incorporated
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ELECTRICAL SPECIFICATIONS
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