參數(shù)資料
型號: W83C554F
英文描述: W83C554F Highly Integrated System I/O Controller for Power PC TM (South Bridge) & UltraDMA/33 IDE Controller QFP 208
中文描述: W83C554F高度集成的系統(tǒng)的I / O控制器的Power PC商標(南橋)
文件頁數(shù): 147/159頁
文件大?。?/td> 3991K
代理商: W83C554F
W83C553F
Timing Diagrams
WINBOND SYSTEMS LABORATORY
144
Table 6-6 (continued). PIO ATA Data Transfer Timing
Parameter
Values
Min
165ns
125ns
100ns
80ns
70ns
290ns
290ns
290ns
80ns
70ns
-
-
-
70ns
25ns
60ns
45ns
30ns
30ns
20ns
30ns
20ns
15ns
10ns
10ns
Max
Notes
t2
t2
t2i IDEIOR[A:B]# / IDEIOW[A:B]# Mode 0
recovery time
t3
IDEIOW[A:B]#
data setup
t4
IDEIOW[A:B]# data hold
IDEIOR[A:B]# / IDEIOW[A:B]# Mode 0
16-bit
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
t0 is the minimum total cycle time, t2 is the
minimum command active time, and t2i is
the minimum command recovery time or
command inactive time. The actual cycle
time equals the sum of the actual command
Pulse Width 8-bit
Mode 0
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
active time and the actual command inactive
time. The three timing requirements of t0,
t2, t2i shall be met. The minimum total
cycle time requirement, t0, is greater than
the sum of t2 and t2i. This means host
implementation
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
can lengthen either or both t2 and t2i. to
ensure that t0 is equal to the value reported
in the devices identify drive data. A device
implementation shall support any legal host
implementation.
Mode 0
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
Mode 0
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
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