M58LT256JST, M58LT256JSB
Figure 17. Reset and power-up AC waveforms
DC and AC parameters
W, E, G, L
tPHWL
tPHEL
tPHGL
tPHLL
tPLWL
tPLEL
tPLGL
tPLLL
RP
tVDHPH
VDD, VDDQ
Power-up
Reset
AI06976
tPLPH
Table 26.
Symbol
t
PLWL
t
PLEL
t
PLGL
t
PLLL
t
PHWL
t
PHEL
t
PHGL
t
PHLL
t
PLPH(1),(2)
t
VDHPH(3)
Reset and power-up AC characteristics
Parameter
Reset Low to
Write Enable Low,
Chip Enable Low,
Output Enable Low,
Latch Enable Low
Reset High to
Write Enable Low,
Chip Enable Low,
Output Enable Low,
Latch Enable Low
RP Pulse Width
Supply voltages High to Reset
High
Test condition
During program
During erase
Read
Other conditions
Min
Min
Min
Min
85
25
25
80
200
Unit
µs
µs
ns
µs
Min
30
ns
Min
Min
50
150
ns
µs
1. The device Reset is possible but not guaranteed if t
PLPH
< 50 ns.
2. Sampled only, not 100% tested.
3. It is important to assert RPr to allow proper CPU initialization during power-up or reset.
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NUMONYX [ NUMONYX B.V ]
