m28w320bb STMicroelectronics, m28w320bb Datasheet - Page 24

• Manufacturer Part Number: m28w320bb
• Description: 32 Mbit 2mb X16, Boot Block 3v Supply Flash Memory
• Manufacturer: STMicroelectronics

M28W320BT, M28W320BB
Table 14. Write AC Characteristics, Chip Enable Controlled
Note: 1. Sampled only, not 100% tested.
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t
QVVPL
t
VPHEH
Symbol
t
t
t
WPHEH
QVWPL
t
t
t
t
t
t
t
t
t
t
EHWH
DVEH
EHAX
EHDX
EHGL
ELQV
WLEL
AVEH
EHEL
ELEH
2. Applicable if V
AVAV
(1,2)
(1)
t
t
t
t
t
t
t
CPH
t
t
Alt
t
VPS
WC
WH
DS
AH
DH
CP
CS
AS
PP
is seen as a logic input (V
Write Cycle Time
Address Valid to Chip Enable High
Data Valid to Chip Enable High
Chip Enable High to Address Transition
Chip Enable High to Data Transition
Chip Enable High to Chip Enable Low
Chip Enable High to Output Enable Low
Chip Enable High to Write Enable High
Chip Enable Low to Chip Enable High
Chip Enable Low to Output Valid
Output Valid to V
Data Valid to Write Protect Low
V
Write Enable Low to Chip Enable Low
Write Protect High to Chip Enable High
PP
High to Chip Enable High
PP
Parameter
Low
PP
< 3.6V).
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
200
70
70
45
45
25
25
45
70
45
0
0
0
0
0
0
200
85
85
45
45
25
25
45
85
45
M28W320B
0
0
0
0
0
0
200
90
90
50
50
30
30
50
90
50
0
0
0
0
0
0
100
100
100
200
50
50
30
30
50
50
0
0
0
0
0
0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns