MOSEL VITELIC
Timing Waveforms of MPU Cycle
1
2
5
7
3
4
CEB1
CEB2
R/WB
CONFIGSEL0–2
CONFIGBUS0–7
CONFIGBUS0–7
(Read Cycle)
AFB, FFB
9
MS622424
8
6
AC Characteristics
At recommended operating conditions, unless otherwise noted.
Symbol Parameter
Min.
1
CEB Cycle Time
80
2
CEB Pulse Width
65
3
CONFIGSEL/BUS and R/WB Set-up before CEB low
0
4
CONFIGSEL/BUS and R/WBHold after CEB low
10
5
CONFIGBUS Data Access
6
CONFIGBUS Data Hold
5
7
CEB low to CONFIGBUS Lo-Z
10
8
CEB high to CONFIGBUS Hi-Z
9
Write cycle start to AFB, FFB low
NOTES:
1. Applicable to all speed grades.
2. This parameter is sampled and not 100% tested.
3. Transition is measured ± 500mV from low or high voltage with load (see Figure 2).
Typ. Max.
65
10
65
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
2, 3
2, 3
MS622424 Rev. 1.0 January 1995
8-9