OX9162
OXFORD SEMICONDUCTOR LTD.
Symbol Parameter
Min
Max
Units
tref
tza
tads
tzrds1
tzrds2
vtdrd
tzd1
IRDY# falling to reference LBCLK
Reference LBCLK to Address Valid
Address Valid to LBDS# falling
Reference LBCLK to LBDS# falling
Reference LBCLK to LBDS# rising
Data bus floating to LBDS# falling
Reference LBCLK to data bus floating at the start of the read
transaction
Nominally 2 PCI clock cycles
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
ns
ns
ns
ns
ns
ns
tzd2
Reference LBCLK to data bus driven by OX9162 at the end of the read
transaction
TBD
TBD
ns
tsd
thd
Data bus valid to LBDS# rising
Data bus valid after LBDS# rising
TBD
TBD
TBD
TBD
ns
ns
Table 20: Read operation from Motorola-type Local Bus
Min
Symbol Parameter
Max
Units
tref
tza
tads
tzw1
tzw2
twds
tdsw
tzwds1
tzwds2
tzdv
IRDY# falling to reference LBCLK
Reference LBCLK to Address Valid
Address Valid to LBDS# falling
Nominally 2 PCI clock cycles
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Reference LBCLK to LBRDWR# falling
Reference LBCLK to LBRDWR# rising
LBRDWR# falling to LBDS# falling
LBDS# rising to LBRDWR# rising
Reference LBCLK to LBDS# falling
Reference LBCLK to LBDS# rising
Reference LBCLK to data bus valid
Reference LBCLK to data bus high-impedance
LBDS# rising to data bus invalid
tzdf
tdsdi
Table 21: Write operation to Motorola-type Local Bus
Data Sheet Revision 1.1 PRELIMINARY
Page 33
OXFORD [ OXFORD SEMICONDUCTOR ]
