tRDHOZ t
參數(shù)資料
型號(hào): AD9854/PCBZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 29/52頁(yè)
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD9854
產(chǎn)品培訓(xùn)模塊: Direct Digital Synthesis Tutorial Series (1 of 7): Introduction
Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action
Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter
Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction
Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter
Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator
設(shè)計(jì)資源: AD9854 Eval Brd Schematic
AD9854 Eval Brd BOM
標(biāo)準(zhǔn)包裝: 1
系列: AgileRF™
主要目的: 計(jì)時(shí),直接數(shù)字合成(DDS)
已用 IC / 零件: AD9854
已供物品:
相關(guān)產(chǎn)品: AD9854ASTZ-ND - IC DDS QUADRATURE CMOS 80-LQFP
AD9854
Rev. E | Page 35 of 52
A<5:0>
D<7:0>
A1
D1
A2
D2
A3
D3
tRDHOZ
tRDLOV
tAHD
tADV
SPECIFICATION
VALUE
DESCRIPTION
tADV
tAHD
tRDLOV
tRDHOZ
15ns
5ns
15ns
10ns
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)
RD
006
36
-05
2
Figure 52. Parallel Port Read Timing Diagram
D<7:0>
D1
D2
D3
SPECIFICATION
VALUE
DESCRIPTION
tASU
tDSU
tADH
tDHD
8.0ns
3.0ns
ADDRESS SETUP TIME TO WR SIGNAL ACTIVE
DATA SETUP TIME TO WR SIGNAL ACTIVE
0ns
ADDRESS HOLD TIME TO WR SIGNAL INACTIVE
DATA HOLD TIME TO WR SIGNAL INACTIVE
tWRLOW
tWRHIGH
tWR
2.5ns
WR SIGNAL MINIMUM LOW TIME
7ns
10.5ns
WR SIGNAL MINIMUM HIGH TIME
MINIMUM WRITE TIME
A<5:0>
A1
A2
A3
tASU
tAHD
tWRHIGH
tWRLOW
tDHD
tDSU
tWR
WR
0
06
36-
0
53
Figure 53. Parallel Port Write Timing Diagram
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