Profichip VPC3+C - Page 86

10 Operational Specifications
V
DD
= 3.3 V V
DD
= 5 V
No. Parameter
MIN MAX MIN MAX
Unit
1 ALE pulsewidth 10 10 ns
2
ALE ↓ to XRD ↓
20
20 ns
3
Address to ALE ↓ setuptime
10
10 ns
4
Address holdtime after ALE ↓
10
10 ns
5
XRD ↓ to dat
ns
a valid
103
97
6 XRD pulsewi h 115 115 ns dt
7
XRD ↑ to AL ↑
10
10 ns
E
8
address (AB7..0) holdtime after XRD/XWR ↑
5
5 ns
9
data holdtime after XRD ↑
4 16
4 13 ns
10 XRD / XWR cycletime 155 155 ns
11
ALE ↓ to XWR ↓
20
20 ns
12 XWR pulsewidth 83 83 ns
13
data setuptime to XWR ↑
10
10 ns
14
XWR ↑ to ALE ↑
10
10 ns
15
data holdtime after XWR ↑
10
10 ns
Figure 10-11: Timing, Synchronous Intel Mode
86 Revision 1.03
VPC3+C
User Manual
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