參數(shù)資料
型號(hào): AD9858PCB
廠商: Analog Devices, Inc.
元件分類(lèi): XO, clock
英文描述: 1 GSPS Direct Digital Synthesizer
中文描述: 1 GSPS的直接數(shù)字頻率合成器
文件頁(yè)數(shù): 22/32頁(yè)
文件大?。?/td> 1412K
代理商: AD9858PCB
AD9858
Rev. A | Page 22 of 32
A
3
A
1
A
2
D
3
D
1
D
2
T
WRHIGH
T
WRLOW
T
AHD
T
DHD
T
DOU
T
ASU
T
WR
T
ASU
T
DOU
T
ADH
T
DHD
T
WRLOW
T
WRHIGH
T
WR
SPECIFICATION
3ns
3.5ns
0ns
0ns
3ns
6ns
9ns
VALUE
ADDRESS SETUP TIME TO WR SIGNAL ACTIVE
DATA SETUP TIME TO WR SIGNAL INACTIVE
ADDRESS HOLD TIME TO WR SIGNAL INACTIVE
DATA HOLD TIME TO WR SIGNAL INACTIVE
WR SIGNAL MINIMUM LOW TIME
WR SIGNAL MINIMUM HIGH TIME
WR SIGNAL MINIMUM PERIOD
DESCRIPTION
D<7:0>
A<5:0>
WR
0
Figure 35. I/O Port Write Cycle Timing (Parallel)
A
3
A
1
A
2
D
3
D
1
D
2
T
RDHOZ
T
RDLOV
T
ADV
T
AHD
T
ASU
T
ADH
T
RDLOV
T
RDHOZ
SPECIFICATION
15ns
5ns
15ns
10ns
VALUE
ADDRESS TO DATA VALID TIME (MAXIMUM)
ADDRESS HOLD TIME TO RD SIGNAL INACTIVE (MINIMUM)
RD LOW TO OUTPUT VALID (MAXIMUM)
RD HIGH TO DATA THREE-STATE (MAXIMUM)
DESCRIPTION
D<7:0>
A<5:0>
RD
0
Figure 36. I/O Port Read Cycle Timing (Parallel)
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參數(shù)描述
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