VT6516 ETC, VT6516 Datasheet - Page 66

• Manufacturer Part Number: VT6516
• Description: 16/12 PORT 10/1000 ASE T/TX
• Manufacturer: ETC

- CPU interface IO Timing Characteristics
t
t
t
t
t
t
t
IOR hhhhhhhhfllllllllllrhhhhhfll
HD zzzzznddddddddddddddddozzzzz
IOWhhhhhhhhfllllllllllrhhhhhfll
HD zzzzznddddddddddddddddozzzzz
IORH
IORL
VAL
IOWS
IOWH
IORS
IORH
, t
, t
SYMBOL
IOWL
IOWH
VIA Technologies, Inc.
~ t
~ t
VAL
VAL
IOR/IOW falling to
IOR/IOW rising
IOR/IOW rising to
IOR/IOW falling
HD valid to IOR/IOW
falling
IOW data setup(write
data valid to IOW
rising)
IOW data hold(IOW
rising to write data
invalid)
IOR data setup(read
data valid to IOR rising)
IOR data hold(IOW
rising to read data
invalid)
DESCRIPTION
!
!
~
~
CPU write timing diagram
CPU read timing diagram
t
t
IOWH
IORH
-66-
~t
~t
IORS
IOWS
MIN
70
25
25
20
10
20
5
!~
!~t
!~
!~t
Preliminary VT6516 Datarsheet
IORH
IOWH
!
t
t
!
IOWL
IORL
MAX
-
-
-
-
-
-
-
!
!
UNIT
ns
ns
ns
ns
ns
ns
ns