m28w640fcb STMicroelectronics, m28w640fcb Datasheet - Page 38

• Manufacturer Part Number: m28w640fcb
• Description: 64 Mbit 4mb X16, Boot Block 3v Supply Flash Memory
• Manufacturer: STMicroelectronics

DC and AC parameters
38/77
Figure 8.
Table 16.
1. Sampled only, not 100% tested.
2. G may be delayed by up to t
t
t
t
t
t
t
t
t
DQ0-
DQ15
Symbol
GHQZ
AXQX
EHQX
EHQZ
GLQV
GLQX
ELQV
ELQX
A0-A21
t
t
t
GHQX
AVQV
AVAV
E
G
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
t
t
t
t
t
t
t
Alt
ACC
t
t
t
OLZ
t
OH
OH
OH
RC
CE
OE
HZ
DF
LZ
Read AC waveforms
Read AC characteristics
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
ADDR. VALID
CHIP ENABLE
tGLQX
ELQV
tAVQV
tELQX
Parameter
- t
tELQV
GLQV
OUTPUTS
ENABLED
after the falling edge of E without increasing t
tGLQV
tAVAV
VALID
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
DATA VALID
VALID
M28W640FCT, M28W640FCB
70
70
70
20
70
20
20
0
0
0
0
0
M28W640FCT, M28W640FCB
20
85
85
85
20
85
20
0
0
0
0
0
tEHQX
90
90
90
25
25
30
tGHQX
90
tEHQZ
0
0
0
0
0
ELQV
STANDBY
tGHQZ
100
100
100
10
25
25
35
0
0
0
0
0
tAXQX
AI04387
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns