M28W160ECT, M28W160ECB
Figure 12. Power-Up and Reset AC Waveforms
W, E, G
tPHWL
tPHEL
tPHGL
tPHWL
tPHEL
tPHGL
RP
tVDHPH
tPLPH
Reset
VDD, VDDQ
Power-Up
AI03537b
Table 18. Power-Up and Reset AC Characteristics
M28W160EC
Symbol
Parameter
Test Condition
Unit
70
85
90
100
During
Program
and Erase
t
t
PHWL
Min
50
50
50
50
µs
Reset High to Write Enable Low, Chip
Enable Low, Output Enable Low
t
PHEL
PHGL
others
Min
Min
30
30
30
30
ns
ns
(1,2)
(3)
Reset Low to Reset High
100
100
100
100
t
PLPH
Supply Voltages High to Reset High
Min
50
50
50
50
µs
t
VDHPH
Note: 1. The device Reset is possible but not guaranteed if t
2. Sampled only, not 100% tested.
< 100ns.
PLPH
3. It is important to assert RP in order to allow proper CPU initialization during power up or reset.
28/50
NUMONYX [ NUMONYX B.V ]
