GC5330IZEV Datasheet, PDF (33/49 Pages) Texas Instruments – Wideband Transmit-Receive Digital Signal Processors

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GC5330
GC5337
SLWS226 B – DECEMBER 2010 – REVISED JANUARY 2011
Table 13. General Switching Characteristics, RX BB LVDS Output – DDR0
PARAMETER
BASEBAND INTERFACE DDR LVDS
f_CLK(Byte)
f_CLK(Nibble0)
f_CLK(Nibble1)
f_CLK(Serial)
t_{skmax(BB)Serial0}
Baseband output clock frequency
BBOUT3 Clk, BBOUT1:0 Data, BBOUT2
Sync
t_{skmin(BB)Serial0}
BBOUT3 Clk, BBOUT1:0 Data, BBOUT2
Sync
t_{skmax(BB)Serial1}
BBOUT3 Ck, BBOUT1:0 Data, BBOUT2
Sync
t_{skmin(BB)Serial1}
BBOUT3 Clk, BBOUT1:0 Data, BBOUT2
Sync
t_{skmax(BB)Serial2}
BBOUT7 Clk, BBOUT5:4 Data, BBOUT6
Sync
t_{skmin(BB)Serial2}
BBOUT7 Clk, BBOUT5:4 Data, BBOUT6
Sync
t_{skmax(BB)Nibble0}
BBOUT3 Clk, BBOUT5,4,1,0 Data, BBOUT2
Sync
t_{skmin(BB)Nibble0}
BBOUT3 Clk, BBOUT5,4,1,0 Data, BBOUT2
Sync
t_{skmax(BB)Nibble1}
BBOUT7 Clk, BBOUT11:8 Data, BBOUT6
Sync
t_{skmin(BB)Nibble1}
BBOUT7 Clk, BBOUT11:8 Data, BBOUT6
Sync
t_{skmax(BB)Byte}
BBOUT7 Clk, BBOUT11:8,5:4,2:0 Data,
BBOUT6 Sync
t_{skmin(BB)Byte}
BBOUT7 Clk, BBOUT11:8,5:4,2:0 Data,
BBOUT6 Sync
TEST CONDITIONS
See ⁽¹⁾
See ^{(2) (3)}
See ^{(2) (3) (4)}
See ^{(2) (3)}
See ^{(2) (3) (4)}
See ^{(5) (6)}
See ^{(5) (6) (7)}
See ^{(5) (6)}
See ^{(5) (6) (7)}
See ^{(5) (6)}
See ^{(5) (6) (7)}
See ^{(5) (6)}
See ^{(5) (6) (7)}
MIN NOM MAX UNIT
–60
400
–130
500
–45
425
0
400
10
460
0
480
384 MHz
384 MHz
500 MHz
384 MHz
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
(1) Chip specifications are production tested at 90°C case temperature for the given specification. Early production lots are sample tested
at –40°C.
(2) Skew measured for RX BBOUT data and frame signals, relative to the BBclk signal at zero crossing. BBclk is measured at threshold
crossing. Lab measurement +signal → 50 Ω → Vcommon → 50 Ω → –signal. Vcommon has a 0.01-µF filter capacitor to GND.
Differential probe used for measurement.
(3) The customer interface design modifies the trace lengths based on the desired receiver timing and clock delays.
(4) t_su = –t_skmax; t_hold = 1/4 BBclk period – t_skmin.
(5) Skew measured for RX BBOUT data and frame signals, relative to the BBclk signal at zero crossing. BBclk is measured at threshold
crossing. Lab measurement +signal → 50 Ω → Vcommon → 50 Ω → –signal. Vcommon has a 0.01-µF filter capacitor to GND.
Differential probe used for measurement.
(6) The customer interface design modifies the trace lengths based on the desired receiver timing and clock delays.
(7) t_su = –t_skmax; t_hold = 1/4 BBclk period – t_skmin.
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