參數(shù)資料
型號: EVAL-ADV7842-7511
廠商: Analog Devices Inc
文件頁數(shù): 16/28頁
文件大小: 0K
描述: BOARD EVAL FOR ADV7842-7511
標準包裝: 1
系列: *
ADV7842
Rev. B | Page 23 of 28
EXTERNAL MEMORY REQUIREMENTS
The ADV7842 uses external SDRAM for 3D comb and frame
synchronizer. The ADV7842 supports either SDR or DDR
SD RAM.
SINGLE DATA RATE (SDR)
The ADV7842 can use SDR external memory to provide 3D comb
or frame synchronizer operation nonconcurrently.
There is a 64 Mb SDR SDRAM minimum memory require-
ment. The required memory architecture is four banks of
1 Mb × 16 (4M16) with a speed grade of 133 MHz at CAS
latency (CL) 3. Using 22 series termination resistors is recom-
mended for this configuration.
Recommended SDR memory that is compatible with the
ADV7842 includes Winbond W9864G6PH-7.
DOUBLE DATA RATE (DDR)
The ADV7842 can use DDR external memory to
simultaneously provide 3D comb and frame synchronizer
operation.
There is a 128 Mb DDR SDRAM minimum memory requirement.
The required memory architecture is four banks of 2 Mb × 16
(8M16) with a speed grade of 133 MHz at CL 2.5. Using 22 series
termination resistors is recommended for this configuration
Recommended DDR memory that is compatible with the
ADV7842 includes the K4H561638J-LCB3 from Samsung, the
MT46V16M16P-6T from Micron Technology, Inc. and the
H5DU1262GTR-E3C from Hynix Inc.
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