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M68AW127B Datasheet(PDF) 13 Page - STMicroelectronics

Part # M68AW127B
Description  1Mbit 128K x8, 3.0V Asynchronous SRAM
PDF  20 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M68AW127B Datasheet(HTML) 13 Page - STMicroelectronics

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M68AW127B
Table 8. Write Mode AC Characteristics
Note: 1. At any given temperature and voltage condition, tWLQZ is less than tWHQX for any given device.
2. These parameters are defined as the time at which the outputs achieve the open circuit conditions and are not referenced to output
voltage levels.
Symbol
Parameter
M68AW127B
Unit
70
100
tAVAV
Write Cycle Time
Min
70
100
ns
tAVEH
Address Valid to Chip Enable High
Min
60
80
ns
tAVEL
Address valid to Chip Enable Low
Min
0
0
ns
tAVWH
Address Valid to Write Enable High
Min
60
80
ns
tAVWL
Address Valid to Write Enable Low
Min
0
0
ns
tDVEH
Input Valid to Chip Enable High
Min
30
40
ns
tDVWH
Input Valid to Write Enable High
Min
30
40
ns
tEHAX
Chip Enable High to Address Transition
Min
0
0
ns
tEHDX
Chip enable High to Input Transition
Min
0
0
ns
tELEH
Chip Enable Low to Chip Enable High
Min
60
80
ns
tELWH
Chip Enable Low to Write Enable High
Min
60
80
ns
tWHAX
Write Enable High to Address Transition
Min
0
0
ns
tWHDX
Write Enable High to Input Transition
Min
0
0
ns
tWHQX
(1)
Write Enable High to Output Transition
Min
5
5
ns
tWLEH
Write Enable Low to Chip Enable High
Min
60
70
ns
tWLQZ
(1,2)
Write Enable Low to Output Hi-Z
Max
20
30
ns
tWLWH
Write Enable Low to Write Enable High
Min
60
70
ns



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