M29F400BT, M29F400BB
Table 14. Read AC Characteristics
(TA = 0 to 70°C, –40 to 85°C or –40 to 125°C)
M29F400B
55
Symbol
Alt
Parameter
Test Condition
Unit
45
70 / 90
E = V ,
IL
t
t
Address Valid to Next Address Valid
Address Valid to Output Valid
Min
45
55
55
70
ns
ns
AVAV
RC
G = V
IL
E = V ,
IL
t
t
ACC
Max
45
70
AVQV
G = V
IL
IL
IL
Chip Enable Low to Output
Transition
(1)
t
G = V
Min
Max
Min
0
45
0
0
55
0
0
70
0
ns
ns
ns
t
LZ
ELQX
t
G = V
E = V
Chip Enable Low to Output Valid
t
CE
ELQV
Output Enable Low to Output
Transition
(1)
t
t
OLZ
IL
GLQX
t
t
E = V
G = V
E = V
Output Enable Low to Output Valid
Chip Enable High to Output Hi-Z
Output Enable High to Output Hi-Z
Max
Max
Max
25
15
15
30
18
18
30
20
20
ns
ns
ns
GLQV
OE
IL
IL
IL
(1)
(1)
t
t
t
HZ
DF
EHQZ
t
GHQZ
t
Chip Enable, Output Enable or
Address Transition to Output
Transition
EHQX
t
t
OH
Min
0
5
0
5
0
5
ns
ns
GHQX
t
AXQX
t
t
ELBL
ELFL
Chip Enable to BYTE Low or High
Max
t
t
ELBH
ELFH
t
t
BYTE Low to Output Hi-Z
BYTE High to Output Valid
Max
Max
15
30
15
30
20
30
ns
ns
BLQZ
FLQZ
t
t
FHQV
BHQV
Note: 1. Sampled only, not 100% tested.
Figure 8. Read Mode AC Waveforms
tAVAV
VALID
A0-A17/
A–1
tAVQV
tAXQX
E
tELQV
tELQX
tEHQX
tEHQZ
G
tGLQX
tGLQV
tGHQX
tGHQZ
DQ0-DQ7/
DQ8-DQ15
VALID
tBHQV
BYTE
tELBL/tELBH
tBLQZ
AI02907
14/22
STMICROELECTRONICS [ ST ]
