Analog Devices ADSP-2181 - Manual (Page 26)

ADSP-2181/ADSP-2183
REV. 0 –26–
ADSP-2181/ADSP-2183
Parameter Min Max Unit
IDMA Address Latch
Timing Requirements:
t
IALP
Duration of Address Latch 1, 3 10 ns
t
IASU
IAD15–0 Address Setup before Address Latch End 3 5 ns
t
IAH
IAD15–0 Address Hold after Address Latch End 3 2 ns
t
IKA
IACK Low before Start of Address Latch 1 0 ns
t
IALS
Start of Write or Read after Address Latch End 2, 3 3 ns
NOTES
1 Start of Address Latch = IS Low and IAL High.
2 Start of Write or Read = IS Low and IWR Low or IRD Low.
3 End of Address Latch = IS High or IAL Low.
t
IKA
IAD 15–0
IACK
IAL
IS
IRD
IWR
OR
t
IALP
t
IASU
t
IAH
t
IALS
Figure 28. IDMA Address Latch