M29W400DT ST Microelectronics, M29W400DT Datasheet - Page 21
M29W400DT
Manufacturer Part Number
M29W400DT
Description
4 Mbit (512Kb x8 or 256Kb x16 / Boot Block) 3V Supply Flash Memory
Manufacturer
ST Microelectronics
Datasheet
1.M29W400DT.pdf
(36 pages)
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Figure 12. Read Mode AC Waveforms
Table 12. Read AC Characteristics
Note: 1. Sampled only, not 100% tested.
t
t
t
t
Symbol
GHQZ
GLQX
EHQZ
ELQX
t
t
t
t
t
t
t
t
t
A0-A17/
A–1
E
G
DQ0-DQ7/
DQ8-DQ15
t
t
EHQX
GHQX
BHQV
AVQV
ELQV
GLQV
AXQX
ELBH
BLQZ
AVAV
ELBL
BYTE
(1)
(1)
(1)
(1)
t
t
t
t
t
FHQV
t
ELFH
FLQZ
ELFL
t
t
t
Alt
ACC
t
t
t
t
OLZ
RC
CE
OE
OH
HZ
DF
LZ
tELBL/tELBH
Address Valid to Next Address Valid
Address Valid to Output Valid
Chip Enable Low to Output Transition
Chip Enable Low to Output Valid
Output Enable Low to Output Transition
Output Enable Low to Output Valid
Chip Enable High to Output Hi-Z
Output Enable High to Output Hi-Z
Chip Enable, Output Enable or Address
Transition to Output Transition
Chip Enable to BYTE Low or High
BYTE Low to Output Hi-Z
BYTE High to Output Valid
Parameter
tAVQV
tBHQV
tELQX
tELQV
tGLQX
tGLQV
tAVAV
VALID
E = V
E = V
Test Condition
G = V
G = V
G = V
G = V
G = V
E = V
E = V
E = V
tBLQZ
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
,
,
VALID
Max
Max
Max
Max
Max
Max
Max
Max
Min
Min
Min
Min
M29W400DT, M29W400DB
tGHQX
tGHQZ
45
45
45
45
30
20
20
25
30
0
0
0
5
M29W400D
tEHQZ
55
55
55
55
30
25
25
25
30
0
0
0
5
tEHQX
70
70
70
70
35
30
30
30
40
tAXQX
0
0
0
5
AI02907
Unit
21/36
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns