Datasheet

7.0 DC and AC Specifications (Continued)
102 www.national.com
DP83815
7.2.8 Boot PROM/FLASH
Note 5: T10 is guaranteed by design.
Note 6: Timings are based on a 30ns PCI clock period.
Number Parameter Min Typ Units
7.2.8.1
Data Setup Time to MRDN Invalid 20 ns
7.2.8.2
Address Setup Time to MRDN
Valid
30 ns
7.2.8.3
Address Hold Time from MRDN Invalid 0 ns
7.2.8.4
Address Invalid from MWRN Valid 180 ns
7.2.8.5
MRDN Pulse Width 180 ns
7.2.8.6
Data Hold Time from MRDN Invalid 0 ns
7.2.8.7
Data Invalid from MWRN Invalid 60 ns
7.2.8.8
Data Valid to MWRN Valid 30 ns
7.2.8.9
Address Setup Time to MWRN Valid 30 ns
7.2.8.10
MRDN Invalid to MWRN Valid 150 ns
7.2.8.11
MWRN Pulse Width 150 ns
7.2.8.12
Address/MRDN Cycle Time 210 ns
7.2.8.13
MCSN Valid to MRDN Valid 30 ns
7.2.8.14
MCSN Invalid to MRDN Invalid 0 ns
7.2.8.15
MCSN Valid to MWRN Valid 30 ns
7.2.8.16
MWRN Invalid to MCSN Invalid 30 ns
7.2.8.17
MCSN Valid to address Valid 0 ns
MCSN
MRDN
MA[15:0]
MD[7:0]
MWRN
T1
T3 T4
T5
T6
T7
T8
T9
T10
T11T12
T13
T2
T15 T16
T14
T17
Obsolete