ADSP-2186L1111 Просмотр технического описания (PDF) - Analog Devices
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ADSP-2186L1111 Datasheet PDF : 36 Pages
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ADSP-2186L
Parameter
Memory Write
Switching Characteristics:
tDW
tDH
tWP
tWDE
tASW
tDDR
tCWR
tAW
tWRA
tWWR
Data Setup before WR High
Data Hold after WR High
WR Pulsewidth
WR Low to Data Enabled
A0–A13, xMS Setup before WR Low
Data Disable before WR or RD Low
CLKOUT High to WR Low
A0–A13, xMS, Setup before WR Deasserted
A0–A13, xMS Hold after WR Deasserted
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
Unit
ns
ns
ns
ns
ns
ns
0.25 tCK + 7
ns
ns
ns
ns
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
–20–
REV. B
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