LSI Logic Confidential
AC Timing
18-15
Copyright © 2001, 2002 by LSI Logic Corporation. All rights reserved.
18.2.3.1
I-Mode Write AC Timing
Figure 18.12 I-Mode Write AC Timing Diagram
Table 18.7
I-Mode Write AC Timing Parameters
1
Symbol
Description
Timing Value
Min
Max
T
1
H_CS setup time with respect to WR falling.
3.0
–
T
2
H_WAIT output delay time with respect to WR falling.
3 14 ns
T
3
H_WAIT assertion period.
2 cycles
–
T
4
H_DTACK output delay time with respect to WR falling
–
3 14 ns
T
5
H_DTACK assertion period.
2 cycles
–
T
6
Output delay from WR rising to H_WAIT 3-state.
2 cycles
3 cycles
T
7
Output delay from WR rising to H_DTACK 3-state.
2 cycles
3 cycles
T
8
WR hold time with respect to WAIT rising.
3.0 ns
–
T
9
WR hold time with respect to DTACK falling.
3.0 ns
–
T
12
T
14
T
4
H_CS (I)
H_WR (I)
H_WAIT (O)
H_DTACK (O)
H_ADDR[2:0] (In)
H_DATA[31:0] (I/O)
T
1
T
2
T
3
T
8
T
6
T
9
T
7
T
5
T
11
T
10
T
13
Содержание DMN-8600
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