M28C17-25NS6T Просмотр технического описания (PDF) - STMicroelectronics
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M28C17-25NS6T Datasheet PDF : 19 Pages
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M28C16A, M28C17A
Table 12. Write Mode AC Characteristics for M28C16A and M28C17A
(TA = –40 to 85°C, VCC = 4.5V to 5.5V)
Symbol
Alt
Parameter
Test Condition
tAVWL
tAS
Address Valid to Write Enable Low
E = VIL, G = VIH
tAVEL
tAS
Address Valid to Chip Enable Low
G = VIH, W = VIL
tELWL
tCES
Chip Enable Low to Write Enable Low
G = VIH
tGHWL
tOES
Output Enable High to Write Enable
Low
E = VIL
tGHEL
tWLEL
tOES
Output Enable High to Chip Enable Low
tWES
Write Enable Low to Chip Enable Low
W = VIL
G = VIH
tWLAX
tELAX
tAH
Write Enable Low to Address Transition
tAH
Chip Enable Low to Address Transition
tWLDV
tELDV
tDV
Write Enable Low to Input Valid
tDV
Chip Enable Low to Input Valid
E = VIL, G = VIH
G = VIH, W = VIL
tELEH
tWP
Chip Enable Low to Chip Enable High
tWHEH
tWHGL
tCEH
Write Enable High to Chip Enable High
tOEH
Write Enable High to Output Enable
Low
tEHGL
tEHWH
tOEH
tWEH
Chip Enable High to Output Enable Low
Chip Enable High to Write Enable High
tWHDX
tEHDX
tWHWL
tWLWH
tWHWH
tWHRH
tWHRL
tDH
tDH
tWPH
tWP
tBLC
tWC
tDB
Write Enable High to Input Transition
Chip Enable High to Input Transition
Write Enable High to Write Enable Low
Write Enable Low to Write Enable High
Byte Load Repeat Cycle Time
Write Cycle Time
Write Enable High to Ready/Busy Low
Note 1
tEHRL
tDVWH
tDB
Chip Enable High to Ready/Busy Low
tDS
Data Valid before Write Enable High
Note 1
tDVEH
tDS
Data Valid before Chip Enable High
Note: 1. With a 3.3 kΩ external pull-up resistor.
Min Max Unit
0
ns
0
ns
0
ns
0
ns
0
ns
0
ns
100
ns
100
ns
1
µs
1
µs
100
ns
0
ns
0
ns
0
ns
0
ns
0
ns
0
ns
200
ns
100
ns
0.2
30
µs
5
ms
100
ns
100
ns
50
ns
50
ns
9/19
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