参数资料
型号: LFE3-35EA-6FN484C
厂商: LATTICE SEMICONDUCTOR CORP
元件分类: FPGA
中文描述: FPGA, PBGA484
封装: 23 X 23 MM, LEAD FREE, FPBGA-484
文件页数: 128/130页
文件大小: 2667K
代理商: LFE3-35EA-6FN484C
3-45
DC and Switching Characteristics
Lattice Semiconductor
LatticeECP3 Family Data Sheet
SMPTE SD/HD-SDI/3G-SDI (Serial Digital Interface) Electrical and Timing
Characteristics
AC and DC Characteristics
Table 3-19. Transmit
Table 3-20. Receive
Table 3-21. Reference Clock
Symbol
Description
Test Conditions
Min.
Typ.
Max.
Units
BRSDO
Serial data rate
270
2975
Mbps
TJALIGNMENT
2
Serial output jitter, alignment
270 Mbps
0.20
UI
TJALIGNMENT
2
Serial output jitter, alignment
1485 Mbps
0.20
UI
TJALIGNMENT
1, 2
Serial output jitter, alignment
2970Mbps
0.30
UI
TJTIMING
Serial output jitter, timing
270 Mbps
0.20
UI
TJTIMING
Serial output jitter, timing
1485 Mbps
1.0
UI
TJTIMING
Serial output jitter, timing
2970 Mbps
2.0
UI
Notes:
1. Timing jitter is measured in accordance with SMPTE RP 184-1996, SMPTE RP 192-1996 and the applicable serial data transmission stan-
dard, SMPTE 259M-1997 or SMPTE 292M (proposed). A color bar test pattern is used.The value of fSCLK is 270 MHz or 360 MHz for
SMPTE 259M, 540 MHz for SMPTE 344M or 1485 MHz for SMPTE 292M serial data rates. See the Timing Jitter Bandpass section.
2. Jitter is defined in accordance with SMPTE RP1 184-1996 as: jitter at an equipment output in the absence of input jitter.
3. All Tx jitter is measured at the output of an industry standard cable driver; connection to the cable driver is via a 50 ohm impedance differen-
tial signal from the Lattice SERDES device.
4. The cable driver drives: RL=75 ohm, AC-coupled at 270, 1485, or 2970 Mbps, RREFLVL=RREFPRE=4.75kohm 1%.
Symbol
Description
Test Conditions
Min.
Typ.
Max.
Units
BRSDI
Serial input data rate
270
2970
Mbps
CID
Stream of non-transitions
(=Consecutive Identical Digits)
7(3G)/26(SMPTE
Triple rates)
@ 10-12 BER
——
Bits
Symbol
Description
Test Conditions
Min.
Typ.
Max.
Units
FVCLK
Video output clock frequency
27
74.25
MHz
DCV
Duty cycle, video clock
45
50
55
%
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