M28C64-90KA6 Ver la hoja de datos (PDF) - STMicroelectronics
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M28C64-90KA6 Datasheet PDF : 24 Pages
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M28C64
Table 10A. Write Mode AC Characteristics for M28C64 and M28C64-A (5V range)
(TA = 0 to 70 °C or –40 to 85 °C; VCC = 4.5 to 5.5 V)
Symbol Alt.
Parameter
Test Condit ion
M28C64
Min
Max
tAVWL tAS Address Valid to Write Enable Low
E = VIL, G = VIH
0
tAVEL tAS Address Valid to Chip Enable Low
G = VIH, W = VIL
0
tELWL tCES Chip Enable Low to Write Enable Low
G = VIH
0
tGHWL tOES Output Enable High to Write Enable Low
E = VIL
0
tGHEL tOES Output Enable High to Chip Enable Low
W = VIL
0
tWLEL tWES Write Enable Low to Chip Enable Low
G = VIH
0
tWLAX tAH Write Enable Low to Address Transition
50
tELAX tAH Chip Enable Low to Address Transition
50
tWLDV tDV Write Enable Low to Input Valid
E = VIL, G = VIH
1
tELDV tDV Chip Enable Low to Input Valid
G = VIH, W = VIL
1
tELEH tWP Chip Enable Low to Chip Enable High
50
tWHEH tCEH Write Enable High to Chip Enable High
0
tWHGL tOEH Write Enable High to Output Enable Low
0
tEHGL tOEH Chip Enable High to Output Enable Low
0
tEHWH tWEH Chip Enable High to Write Enable High
0
tWHDX tDH Write Enable High to Input Transition
0
tEHDX tDH Chip Enable High to Input Transition
0
tWHWL tWPH Write Enable High to Write Enable Low
50
1000
tWLWH tWP Write Enable Low to Write Enable High
50
Time-out after last byte write (M28C64)
100
tWLQ5H tBLC
Time-out after last byte write (M28C64-A)
20
Write Cycle Time (M28C64)
3
tQ5HQ5X tWC
Write Cycle Time (M28C64-A)
1
tWHRL tDB Write Enable High to Ready/Busy Low
Note 1
150
tEHRL tDB Chip Enable High to Ready/Busy Low
Note 1
150
tDVWH tDS Data Valid before Write Enable High
50
tDVEH tDS Data Valid before Chip Enable High
50
Note: 1. With a 3.3 kΩ pull-up resistor.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
ms
ms
ns
ns
ns
ns
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