M28W640FCT STMICROELECTRONICS [STMicroelectronics], M28W640FCT Datasheet - Page 24

• Manufacturer Part Number: M28W640FCT
• Description: 64 Mbit (4Mb x16, Boot Block) 3V Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M28W640FCT, M28W640FCB
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
t
t
Symbol
GHQX
AXQX
EHQX
GHQZ
GLQV
GLQX
EHQZ
ELQV
ELQX
t
t
AVQV
AVAV
DQ0-DQ15
2. G may be delayed by up to t
A0-A21
(2)
(1)
(1)
(1)
(1)
(2)
(1)
E
G
(1)
(1)
t
t
t
ACC
t
t
t
t
t
Alt
t
t
OLZ
t
OH
OH
OH
OE
RC
HZ
CE
DF
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
20
70
20
20
M28W640FCT, M28W640FCB
0
0
0
0
0
ELQV
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