Datasheet

REV. 0
–30–
ADSP-2188M
Parameter Min Max Unit
IDMA Address Latch
Timing Requirements:
t
IALP
Duration of Address Latch
1, 2
10 ns
t
IASU
IAD15–0 Address Setup before Address Latch End
2
5ns
t
IAH
IAD15–0 Address Hold after Address Latch End
2
3ns
t
IKA
IACK Low before Start of Address Latch
2, 3
0ns
t
IALS
Start of Write or Read after Address Latch End
2, 3
3ns
t
IALD
Address Latch Start after Address Latch End
1, 2
2ns
NOTES
1
Start of Address Latch = IS Low and IAL High.
2
End of Address Latch = IS High or IAL Low.
3
Start of Write or Read = IS Low and IWR Low or IRD Low.
IACK
IAL
IS
IAD15–0
IRD OR IWR
t
IKA
t
IALP
t
IALD
t
IASU
t
IAH
t
IASU
t
IALS
t
IAH
t
IALP
Figure 27. IDMA Address Latch