GS6150 Datasheet, PDF (13/64 Pages) Gennum Corporation – Automatic or Manual Rate Selection

Table 2-3: AC Electrical Characteristics (Continued)
VCC_CORE, VDD_DIG = +1.8V ± 5%, T_A= –40ºC to +85ºC unless otherwise specified
Parameter
Symbol
Conditions
Min
Typ
Max Units Notes
PLL Lock Time —
Synchronous
t_SLOCK
Referenceless
—
With External Reference
—
Serial Data (DDO0 and
DDO1) Output Rise And
Fall Time
t_riseDDO
t_fallDDO
20% ~ 80% rising edge
into 50Ω load
—
20% ~ 80% falling edge
into 50Ω load
—
Rise And Fall Time
Mismatch (DDO0 and
—
—
—
DDO1)
Duty Cycle Distortion
—
Data Rate 6G
—
(DDO0 and DDO1)
—
Data Rate < 6G
—
t_OJ(125Mb/s)
—
t_OJ(270Mb/s)
—
Serial Data Output Jitter
t_OJ(1485Mb/s)
BW = Nominal
—
Intrinsic
t_OJ(2970Mb/s)
PRN 2²³ – 1 test pattern
—
t_OJ(5940Mb/s)
—
t_OJ(BYPASS)
—
PLL_LOOP_BANDWIDTH
= 00001
—
PLL_LOOP_BANDWIDTH
= 00010
—
BW_{LOOP(125Mb/s)}
PLL_LOOP_BANDWIDTH
= 00100 (default)
—
PLL_LOOP_BANDWIDTH
= 01000
—
PLL Loop Bandwidth
PLL_LOOP_BANDWIDTH
= 10000
—
PLL_LOOP_BANDWIDTH
= 00001
—
PLL_LOOP_BANDWIDTH
= 00010
—
BW_{LOOP(270Mb/s)}
PLL_LOOP_BANDWIDTH
= 00100 (default)
—
PLL_LOOP_BANDWIDTH
= 01000
—
PLL_LOOP_BANDWIDTH
= 10000
—
—
10
μs
—
10
μs
—
70
ps
—
70
ps
—
15
ps
—
10
%
—
5
%
0.02
0.03
UI_P-P
3, 4
0.02
0.03
UI_P-P
3, 4
0.03
0.06
UI_P-P
3, 4
0.04
0.09
UI_P-P
3, 4
0.07
0.13
UI_P-P
3, 4
0.06
0.09
UI_P-P
3, 4
37
—
kHz
74
—
kHz
148
—
kHz
296
—
kHz
590
—
kHz
80
—
kHz
160
—
kHz
320
—
kHz
640
—
kHz
1.28
—
MHz
GS6150
Final Data Sheet
PDS-060127
Rev.2
March 2015
www.semtech.com
13 of 64
Proprietary & Confidential