Avago Technologies LSI53C140 - Manual (Page 56)

3-22 LSI53C140 Specifications
Ver. 2.1 Copyright © 1998–2001 by LSI Logic Corporation. All rights reserved.
Figure 3.13 Input/Output Timing
Table 3.18 Output Timing
Symbol Parameter Min Max Units
t
5
Output data setup Nominal: negotiated/2 – ns
t
6
Output data hold Nominal: negotiated/2 – ns
t
7
Output REQ/ACK pulse
width max [negotiated ns, t
3
−
5] max [negotiated ns, t
3
+ 5] ns
t
8
REQ/ACK transport delay 25 ns if REQ/ACK is clock
for input data,
10 ns if not 50 ns if REQ/ACK is clock
for input data,
30 ns if not ns
t
9
Data transport delay 6 [t
3
+ 35] ns
Input Timing
REQ or ACK
Data
Output Timing
REQ or ACK
Data
t
3
t
4
t
1
t
2
Valid Data
t
8
t
7
t
9
t
5
t
6
Valid Data