w83c554f Winbond Electronics Corp America, w83c554f Datasheet - Page 140

• Manufacturer Part Number: w83c554f
• Description: System I/o Controller With Pci Arbiter & Ultradma/33 Ide Controller
• Manufacturer: Winbond Electronics Corp America

W83C554F
t11 Address Setup to command low
t12 Address hold from command high
t13 IDE_IOCHRDY high setup to command high
t14 Read data setup to IDE_IOR# high
t15 Read data hold from IDE_IOR# high
t16 Write data setup to IDE_IOW# high
t17 Write data hold from IDE_IOW# high
t18 Command recovery time 8-bit cycle
t18 Command recovery time 16-bit cycle
t19 Command active time 8-bit cycle
t19 Command active time 16-bit cycle
WINBOND ELECTRONICS CORP. AMERICA
Parameter
Table 6-3. IDE Interface Timing
Min
3 x t 1 ns -
30ns
0 .5 x t 1 ns
10ns
0ns
t19ns
30ns
300ns
r2 x t1ns
300ns
a2 x t1ns
Values
Max
r2 is the 16-bit command
recovery count in PCI
clocks (page 126)
a2 is the 16-bit command
active count in PCI clocks
(page 126)
Timing Diagrams
Notes
138