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M28W640FST Datasheet(PDF) 26 Page - STMicroelectronics

Part # M28W640FST
Description  32Mbit (2Mb x16) and 64Mbit (4Mb x16) 3V Supply, Boot Block, Secure Flash Memories
PDF  55 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M28W640FST Datasheet(HTML) 26 Page - STMicroelectronics

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M28W320FST, M28W320FSB, M28W640FST, M28W640FSB
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Table 15. 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).
Symbol
Alt
Parameter
M28W320FST,
M28W320FST
M28W640FST,
M28W640FSB
Unit
70
70
tAVAV
tWC
Write Cycle Time
Min
70
70
ns
tAVWH
tAS
Address Valid to Write Enable High
Min
45
45
ns
tDVWH
tDS
Data Valid to Write Enable High
Min
45
45
ns
tELWL
tCS
Chip Enable Low to Write Enable Low
Min
0
0
ns
tELQV
Chip Enable Low to Output Valid
Min
70
70
ns
tQVVPL
(1,2)
Output Valid to VPP Low
Min
0
0
ns
tVPHWH
(1)
tVPS
VPP High to Write Enable High
Min
200
200
ns
tWHAX
tAH
Write Enable High to Address Transition
Min
0
0
ns
tWHDX
tDH
Write Enable High to Data Transition
Min
0
0
ns
tWHEH
tCH
Write Enable High to Chip Enable High
Min
0
0
ns
tWHEL
Write Enable High to Chip Enable Low
Min
25
25
ns
tWHGL
Write Enable High to Output Enable Low
Min
20
20
ns
tWHWL
tWPH
Write Enable High to Write Enable Low
Min
25
25
ns
tWLWH
tWP
Write Enable Low to Write Enable High
Min
45
45
ns



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