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M28W640 Folha de dados(PDF) 28 Page - STMicroelectronics

Nome de Peças M28W640
Descrição Electrónicos  64 Mbit 4Mb x16, Boot Block 3V Supply Flash Memory
PDF  54 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M28W640 Folha de dados(HTML) 28 Page - STMicroelectronics

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Table 17. Write AC Characteristics, Chip Enable Controlled
Note: 1. Sampled only, not 100% tested.
2. Applicable if VPP is seen as a logic input (VPP <3.6V).
Symbol
Alt
Parameter
M28W640C
Unit
80
90
tAVAV
tWC
Write Cycle Time
Min
80
90
ns
tAVEH
tAS
Address Valid to Chip Enable High
Min
45
50
ns
tDVEH
tDS
Data Valid to Chip Enable High
Min
45
50
ns
tEHAX
tAH
Chip Enable High to Address
Transition
Min
0
0
ns
tEHDX
tDH
Chip Enable High to Data Transition
Min
0
0
ns
tEHEL
tCPH Chip Enable High to Chip Enable Low
Min
25
30
ns
tEHGL
Chip Enable High to Output Enable
Low
Min
25
30
ns
tEHWH
tWH
Chip Enable High to Write Enable High
Min
0
0
ns
tELEH
tCP
Chip Enable Low to Chip Enable High
Min
45
50
ns
tELQV
Chip Enable Low to Output Valid
Min
80
90
ns
tQVVPL
(1,2)
Output Valid to VPP Low
Min
0
0
ns
tQVWPL
Data Valid to Write Protect Low
Min
0
0
ns
tVPHEH
(1)
tVPS
VPP High to Chip Enable High
Min
200
200
ns
tWLEL
tCS
Write Enable Low to Chip Enable Low
Min
0
0
ns
tWPHEH
Write Protect High to Chip Enable High
Min
45
50
ns



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