ADSP-2186 Ver la hoja de datos (PDF) - Analog Devices
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ADSP-2186 Datasheet PDF : 36 Pages
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ADSP-2186
Parameter
Memory Write
Switching Characteristics:
tDW
Data Setup before WR High
tDH
Data Hold after WR High
tWP
WR Pulsewidth
tWDE
WR Low to Data Enabled
tASW
A0–A13, xMS Setup before WR Low
tDDR
Data Disable before WR or RD Low
tCWR
CLKOUT High to WR Low
tAW
A0–A13, xMS, Setup before WR Deasserted
tWRA
A0–A13, xMS Hold after WR Deasserted
tWWR
WR High to RD or WR Low
w = wait states × tCK.
xMS = PMS, DMS, CMS, IOMS, BMS.
Min
0.5 tCK – 7+ w
0.25 tCK – 2
0.5 tCK – 5 + w
0
0.25 tCK – 6
0.25 tCK – 7
0.25 tCK – 5
0.75 tCK – 9 + w
0.25 tCK – 3
0.5 tCK – 5
Max
0.25 tCK + 7
CLKOUT
A0–A13
DMS, PMS,
BMS, CMS,
IOMS
WR
D0–D23
RD
tWRA
tASW
tCWR
tWP
tAW
tDW
tWDE
tWWR
tDH
tDDR
Figure 15. Memory Write
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
–20–
REV. B
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