Hayes Microcomputer Products RCV56HCF - Manual (Page 45)

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