M28W320FCT Datasheet, PDF (39/69 Pages) STMicroelectronics – 32 Mbit (2Mb x16, Boot Block) 3V Supply Flash Memory

M28W320FCT, M28W320FCB
DC and AC parameters
Table 18.
Symbol
Write AC Characteristics, Chip Enable Controlled
Alt
Parameter
M28W320FCT, M28W320FCB
70
85
90
10
t_AVAV
t_WC Write Cycle Time
Min 70
85
90
100
t_AVEH
t_AS Address Valid to Chip Enable High
Min 45
45
50
50
t_DVEH
t_DS Data Valid to Chip Enable High
Min 45
45
50
50
t_EHAX
t_AH
Chip Enable High to Address
Transition
Min
0
0
0
0
t_EHDX
t_DH Chip Enable High to Data Transition Min
0
0
0
0
t_EHEL
t_CPH Chip Enable High to Chip Enable Low Min
25
25
30
30
t_EHGL
Chip Enable High to Output Enable
Low
Min 25
25
30
30
t_EHWH
t_WH
Chip Enable High to Write Enable
High
Min
0
0
0
0
t_ELEH
t_CP Chip Enable Low to Chip Enable High Min 45
45
50
50
t_ELQV
t_QVVPL(1)
(2)
Chip Enable Low to Output Valid
Output Valid to V_PP Low
Min 70
85
90
100
Min
0
0
0
0
t_QVWPL
t_VPHEH(1)
Data Valid to Write Protect Low
t_VPS V_PP High to Chip Enable High
Min
0
0
0
0
Min 200
200
200
200
t_WLEL
t_CS Write Enable Low to Chip Enable Low Min
0
0
0
0
t_WPHEH
Write Protect High to Chip Enable
High
Min 45
45
50
50
1. Sampled only, not 100% tested.
2. Applicable if V_PP is seen as a logic input (V_PP < 3.6V).
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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