M28W640EC-ZBF STMicroelectronics, M28W640EC-ZBF Datasheet - Page 24
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M28W640EC-ZBF
Manufacturer Part Number
M28W640EC-ZBF
Description
64 Mbit 4Mb x16/ Boot Block 3V Supply Flash Memory
Manufacturer
STMicroelectronics
Datasheet
1.M28W640EC-ZBF.pdf
(55 pages)
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M28W640ECT, M28W640ECB
Figure 9. Read AC Waveforms
Table 16. Read AC Characteristics
Note: 1. Sampled only, not 100% tested.
24/55
t
t
t
t
t
t
t
Symbol
t
t
GHQX
AXQX
EHQX
EHQZ
GHQZ
GLQV
GLQX
ELQV
ELQX
t
t
AVQV
AVAV
DQ0-DQ15
2. G may be delayed by up to t
3. To be characterized.
A0-A21
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
E
G
(1)
t
t
t
ACC
t
t
t
t
t
Alt
t
t
OLZ
t
OH
OH
OH
RC
HZ
CE
DF
OE
LZ
Address Valid to Next Address Valid
Address Valid to Output Valid
Address Transition to Output Transition
Chip Enable High to Output Transition
Chip Enable High to Output Hi-Z
Chip Enable Low to Output Valid
Chip Enable Low to Output Transition
Output Enable High to Output Transition
Output Enable High to Output Hi-Z
Output Enable Low to Output Valid
Output Enable Low to Output Transition
CHIP ENABLE
ADDR. VALID
ELQV
- t
GLQV
Parameter
tGLQX
tAVQV
tELQX
after the falling edge of E without increasing t
tELQV
OUTPUTS
ENABLED
tGLQV
tAVAV
VALID
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
DATA VALID
VALID
70
70
70
70
20
20
20
0
0
0
0
0
(3)
(3)
(3)
ELQV
M28W640EC
85
85
85
20
85
20
20
0
0
0
0
0
.
tEHQX
tGHQX
tEHQZ
90
90
90
25
90
25
30
STANDBY
tGHQZ
0
0
0
0
0
100
100
100
10
25
25
30
0
0
0
0
0
tAXQX
AI04387
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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