DS125BR401SQ Datasheet, PDF (8/52 Pages) Texas Instruments – Low-Power 12.5-Gbps 4-Lane Repeater With Input Equalization and Output De-Emphasis

DS125BR401
SNLS419C – JULY 2012 – REVISED APRIL 2013
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Electrical Characteristics (continued)
Parameter
Test Conditions
Min
Typ
Max
Unit
T_TX-IDLE-DATA
Max time to transition to valid
differential signal after idle
VID = 1.0 Vp-p, 8 Gbps
3.5
ns
T_TX-DATA-IDLE
T_PDEQ
T_LSK
T_PPSK
Equalization
Max time to transition to idle after
differential signal
Differential propagation delay
Lane to lane skew
Part to part propagation delay skew
VID = 1.0 Vp-p, 8 Gbps
EQ = 00⁽²⁾
T = 25C, VDD = 2.5V
T = 25C, VDD = 2.5V
6.2
ns
200
ps
25
ps
40
ps
DJE1
Residual deterministic jitter at 12 Gbps
30” 5mils FR4,
VID = 0.6 Vp-p,
PRBS15, EQ = 07'h,
DEM = 0 dB
0.18
UI
DJE2
Residual deterministic jitter at 8 Gbps
30” 5mils FR4,
VID = 0.6 Vp-p,
PRBS15, EQ = 07'h,
DEM = 0 dB
0.11
UI
DJE3
Residual deterministic jitter at 5 Gbps
30” 5mils FR4,
VID = 0.6 Vp-p,
PRBS15, EQ = 07'h,
DEM = 0 dB
0.07
UI
DJE4
Residual deterministic jitter at 12 Gbps
5 meters 30 awg cable,
VID = 0.6 Vp-p,
PRBS15, EQ = 07'h,
DEM = 0 dB
0.25
UI
DJE5
Residual deterministic jitter at 12 Gbps
8 meters 30 awg cable,
VID = 0.6 Vp-p,
PRBS15, EQ = 0F'h,
DEM = 0 dB
0.33
UI
De-emphasis (GEN 1&2 mode only)
DJD1
Input Channel: 20" 5mils FR4,
Output Channel: 10” 5mils FR4,
Residual deterministic jitter at 12 Gbps ^{VID = 0.6 Vp-p,}
PRBS15, EQ = 03'h,
0.1
UI
VOD = 1.0 Vp-p,
DEM = −3.5 dB
(2) Propagation Delay measurements will change slightly based on the level of EQ selected. EQ = 00 will result in the shortest propagation
delays.
8
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