UPD98405 NEC, UPD98405 Datasheet - Page 42

• Manufacturer Part Number: UPD98405
• Description: 155M ATM INTEGRATED SAR CONTROLLER
• Manufacturer: NEC

Expansion ROM interface
Expansion ROM interface
42
ROMOE_B
ROMCS_B
ROMA valid time
time
ROMOE_B
ROMCS_B
ROMA invalid time
time
ROMCS_B
ROMOE_B
ROMA15-
ROMA0
ROMD7-
ROMD0
Parameter
ROMD valid time
ROMD valid time
ROMD float time
ROMD float time
ROMD valid
ROMD hold
Symbol
t
t
t
t
t
t
DROMOE
DROMCS
ROMACC
HROMOE
HROMCS
HROMA
t
t
DROMOE
DROMCS
Data Sheet S12689EJ2V0DS00
ROMCS_B = V
ROMOE_B = V
ROMCS_B = ROMOE_B = V
ROMCS_B = V
ROMOE_B = V
ROMCS_B = ROMOE_B = V
Condition
t
OL
OL
OL
OL
ROMACC
, ROMA valid
, ROMA valid
, ROMA valid
, ROMA valid
OL
OL
MIN.
0
0
0
t
HROMCS
t
HROMOE
TYP.
t
HROMA
MAX.
200
200
200
Unit
PD98405
ns
ns
ns
ns
ns
ns