Rockwell RCV56HCF, Руководство дизайнера

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RCV56HCF PCI/CardBus Modem Designer’s Guide
1129 ROCKWELL PROPRIETARY INFORMATION 3-23
3.3.3 External Device Bus Timing
The external Device Bus timing is listed in Table 3-12 and illustrated in Figure 3-7.
Table 3-12. Timing - External Device Bus Interface
Symbol Description Min. Typ. Max. Units Test Conditions
Read
t
AS
Address setup
40
– –
ns
t
AH
Address hold
10
– –
ns
t
CSS
Chip select setup
40
– –
ns
t
CSH
Chip select hold
108 – 144 ns
t
RW
Read pulse width
150 – – ns
t
RDA
Read data access
– – 36 ns
t
RDH
Read data hold
0 – – ns
Write
t
AS
Address setup
40
– –
ns
t
AH
Address hold
10
– –
ns
t
CSS
Chip select setup
40
– –
ns
t
CSH
Chip select hold
108 – 144 ns
t
WW
Write pulse width
150 – – ns
t
WDS
Write data setup
36 – – ns
t
RDH
Write data hold
36 – 72 ns