DS125BR800A Datasheet, PDF (8/53 Pages) Texas Instruments – Low-Power 12.5-Gbps 8-Channel (Unidirectional) Repeater With Input Equalization

DS125BR800A
SNLS467 – NOVEMBER 2013
www.ti.com
Electrical Characteristics^(1)(2)(3) (continued)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
V_TX-CM-DC-
ACTIVE-IDLE-DELTA
V_{TX-CM-DC-LINE-}
DELTA
T_TX-IDLE-DATA
Absolute delta of DC common mode
voltage during L0 and electrical idle
Absolute delta of DC common mode
voltage between TX+ and TX-
Max time to transition to differential
DATA signal after IDLE
VID = 1.0 Vp-p, 3 Gbps
100
mV
25
mV
3.5
ns
T_TX-DATA-IDLE
T_PLHD/PHLD
T_LSK
T_PPSK
Equalization
Max time to transition to IDLE after
differential DATA signal
Differential Propagation Delay
Lane to lane skew
Part to part propagation delay skew
VID = 1.0 Vp-p, 3 Gbps
EQ = 00⁽⁵⁾
T = 25C, VDD = 2.5V
T = 25C, VDD = 2.5V
5.0
ns
200
ps
25
ps
40
ps
DJE1
Residual deterministic jitter at 12 Gbps
30in 5mils FR4,
VID = 0.6 Vp-p,
PRBS15, EQ = 07'h,
DEM = 0 dB
0.18
UI
DJE2
Residual deterministic jitter at 8 Gbps
30in 5mils FR4,
VID = 0.6 Vp-p,
PRBS15,EQ = 07'h,
DEM = 0 dB
0.11
UI
DJE3
Residual deterministic jitter at 5 Gbps
30in 5mils FR4,
VID = 0.6 Vp-p,
PRBS15, EQ = 07'h,
DEM = 0 dB
0.07
UI
DJE4
Residual deterministic jitter at 12 Gbps
5m 30 awg cable,
VID = 0.6 Vp-p,
PRBS15, EQ = 07'h,
DEM = 0 dB
0.25
UI
DJE5
Residual deterministic jitter at 5 Gbps
8m 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
Residual deterministic jitter at 12 Gbps Input Channel: 20in 5mils FR4,
0.1
UI
Output Channel: 10in 5mils FR4
VID = 0.6 Vp-p,
PRBS15, EQ = 03'h,
VOD = 1.0 Vp-p,
DEM = −3.5 dB
(5) 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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