ADSP-2186L1111 Просмотр технического описания (PDF) - Analog Devices
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ADSP-2186L1111 Datasheet PDF : 36 Pages
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TIMING PARAMETERS
Parameter
Memory Read
Timing Requirements:
tRDD
RD Low to Data Valid
tAA
A0–A13, xMS to Data Valid
tRDH
Data Hold from RD High
Switching Characteristics:
tRP
RD Pulsewidth
tCRD
CLKOUT High to RD Low
tASR
A0–A13, xMS Setup before RD Low
tRDA
A0–A13, xMS Hold after RD Deasserted
tRWR
RD High to RD or WR Low
w = wait states × tCK.
xMS = PMS, DMS, CMS, IOMS, BMS.
ADSP-2186L
Min
Max
Unit
1
0.5 tCK – 5 + w
0.25 tCK – 5
0.25 tCK – 6
0.25 tCK – 3
0.5 tCK – 5
0.5 tCK – 9 + w
ns
0.75 tCK – 12.5 + w
ns
ns
ns
0.25 tCK + 7
ns
ns
ns
ns
CLKOUT
A0–A13
DMS, PMS,
BMS, IOMS,
CMS
RD
D0–D23
WR
tASR
tCRD
tRP
tRDD
tAA
tRDA
tRWR
tRDH
Figure 14. Memory Read
REV. B
–19–
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