Operational Specifications 10
VDD = 3.3 V VDD = 5 V
No. Parameter
MIN MAX MIN MAX
Unit
43
address setuptime to AS ↓
0
0 ns
44
AS ↓ to data valid
103
97 ns
45 AS pulsewidth (read access) 115 115 ns
46
R_W ↓ setuptime to AS ↓
10
10 ns
47
XCS ↓ setuptime to AS ↓
5
5 ns
48
AS ↓ to XDTACK ↓ (Normal-Ready)
132
126 ns
49
AS ↓ to XDTACK ↓ (Early-Ready)
111
105 ns
50
last AS ↓ to XCS ↓
93
93 ns
51 AS cycletime 125 125 ns
52
address holdtime after AS ↑
10
10 ns
53
Data holdtime after AS ↑
4 16
4 13 ns
54 AS inactive time 10 10 ns
55
R_W holdtime after AS ↑
10
10 ns
56
XCS holdtime after AS ↑
0
0 ns
57
XDTACK holdtime after AS ↑
6 21
5 16 ns
58
Data setuptime to AS ↑
10
10 ns
59 AS pulsewidth (write access) 83 83 ns
60
Data holdtime after AS ↑
10
10 ns
Figure 10-20: Timing, Asynchronous Motorola Mode
VPC3+C User Manual
Revision 1.03 93
Copyright © profichip GmbH 2004-2006
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