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