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M28W640ECT 数据表(PDF) 26 Page - STMicroelectronics

部件名 M28W640ECT
功能描述  64 Mbit 4Mb x16, Boot Block 3V Supply Flash Memory
PDF  55 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M28W640ECT 数据表(HTML) 26 Page - STMicroelectronics

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Table 17. Write AC Characteristics, Write Enable Controlled
Note: 1. Sampled only, not 100% tested.
2. Applicable if VPP is seen as a logic input (VPP < 3.6V).
3. To be characterized.
Symbol
Alt
Parameter
M28W640EC
Unit
70
85
90
10
tAVAV
tWC
Write Cycle Time
Min
70(3)
85
90
100
ns
tAVWH
tAS
Address Valid to Write Enable High
Min
45
45
50
50
ns
tDVWH
tDS
Data Valid to Write Enable High
Min
45
45
50
50
ns
tELWL
tCS
Chip Enable Low to Write Enable Low
Min
0
0
0
0
ns
tELQV
Chip Enable Low to Output Valid
Min
70(3)
85
90
100
ns
tQVVPL
(1,2)
Output Valid to VPP Low
Min
0
0
0
0
ns
tQVWPL
Output Valid to Write Protect Low
Min
0
0
0
0
ns
tVPHWH
(1)
tVPS
VPP High to Write Enable High
Min
200
200
200
200
ns
tWHAX
tAH
Write Enable High to Address Transition
Min
0
0
0
0
ns
tWHDX
tDH
Write Enable High to Data Transition
Min
0
0
0
0
ns
tWHEH
tCH
Write Enable High to Chip Enable High
Min
0
0
0
0
ns
tWHEL
Write Enable High to Chip Enable Low
Min
25
25
30
30
ns
tWHGL
Write Enable High to Output Enable Low
Min
20
20
30
30
ns
tWHWL
tWPH Write Enable High to Write Enable Low
Min
25
25
30
30
ns
tWLWH
tWP
Write Enable Low to Write Enable High
Min
45
45
50
50
ns
tWPHWH
Write Protect High to Write Enable High
Min
45
45
50
50
ns



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