M28W160ECT Datasheet, PDF (28/50 Pages) STMicroelectronics – 16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory

M28W160ECT, M28W160ECB
Figure 12. Power-Up and Reset AC Waveforms
W, E, G
RP
VDD, VDDQ
tPHWL
tPHEL
tPHGL
tVDHPH
Power-Up
tPHWL
tPHEL
tPHGL
tPLPH
Reset
AI03537b
Table 18. Power-Up and Reset AC Characteristics
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 Min 50
50
50
50 µs
and Erase
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
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.
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