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M28W640FCB データシート(PDF) 43 Page - STMicroelectronics

部品番号 M28W640FCB
部品情報  64 Mbit (4Mbx16, Boot Block) 3V Supply Flash memory
PDF  77 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M28W640FCB データシート(HTML) 43 Page - STMicroelectronics

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M28W640FCT, M28W640FCB
DC and AC parameters
43/77
Figure 11.
Power-Up and Reset AC waveforms
Table 19.
Power-Up and Reset AC characteristics
Symbol
Parameter
Test Condition
M28W640FCT,
M28W640FCB
Unit
70
85
90
10
tPHWL
tPHEL
tPHGL
Reset High to Write Enable Low,
Chip Enable Low, Output Enable
Low
During
Program
and Erase
Min
505050
50
µs
others
Min
30
30
30
30
ns
tPLPH
(1)(2)
1.
The device Reset is possible but not guaranteed if tPLPH < 100ns
2.
Sampled only, not 100% tested.
Reset Low to Reset High
Min
100
100
100
100
ns
tVDHPH
(3)
3.
It is important to assert RP in order to allow proper CPU initialization during power up or reset.
Supply Voltages High to Reset
High
Min
505050
50
µs
AI03537b
tPHWL
tPHEL
tPHGL
RP
W, E, G
VDD, VDDQ
tVDHPH
tPHWL
tPHEL
tPHGL
tPLPH
Power-Up
Reset



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