ADSP-21990 View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'ADSP-21990' PDF : 50 Pages View PDF
ADSP-21990
Programmable Flags Cycle Timing
Table 7 and Figure 8 describe programmable flag operations.
Table 7. Programmable Flags Cycle Timing
Parameter
Timing Requirement
tHFI
Flag Input Hold Is Asynchronous
Switching Characteristics
tDFO
Flag Output Delay with Respect to CLKOUT
tHFO
Flag Output Hold After CLKOUT High
Min
Max
Unit
3
ns
7
ns
6
ns
CLKOUT
PF
(OUTPUT)
PF
(INPUT)
tDFO
tHFO
FLAG OUTPUT
tHFI
FLAG INPUT
Figure 8. Programmable Flags Cycle Timing
Rev. A | Page 26 of 50 | August 2007
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