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M58PR256J Datasheet(PDF) 82 Page - STMicroelectronics

No. de pieza M58PR256J
Descripción Electrónicos  256 Mbit or 512 Mbit (x16, Multiple Bank, Multilevel, Burst) 1.8 V supply Flash memories
PDF  114 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M58PR256J Datasheet(HTML) 82 Page - STMicroelectronics

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DC and ac parameters
M58PR256J, M58PR512J
82/114
Figure 17.
Reset and Power-up ac waveforms
AI06976
W,
RP
E, G,
VDD, VDDQ
tVDHPH
tPLPH
Power-Up
Reset
tPLWL
tPLEL
tPLGL
tPLLL
L
tPHWL
tPHEL
tPHGL
tPHLL
Table 32.
Reset and Power-up ac characteristics
Symbol
Parameter
Test condition
108 MHz/66 MHz
Unit
tPLWL
tPLEL
tPLGL
tPLLL
Reset Low to Write Enable Low,
Reset Low to Chip Enable Low,
Reset Low to Output Enable Low,
Reset Low to Latch Enable Low
During Program
Min
25
µs
During Erase
Min
30
µs
Other Conditions
Min
80
ns
tPHWL
tPHEL
tPHGL
tPHLL
Reset High to Write Enable Low
Reset High to Chip Enable Low
Reset High to Output Enable Low
Reset High to Latch Enable Low
Min
30
ns
tPLPH
(1),(2)
RP Pulse Width
Min
50
ns
tVDHPH
(3)
Supply Voltages High to Reset High
Min
300
µs
1.
The device Reset is possible but not guaranteed if tPLPH < 50ns.
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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