M29W400BT STMICROELECTRONICS [STMicroelectronics], M29W400BT Datasheet - Page 14

• Manufacturer Part Number: M29W400BT
• Description: 4 Mbit 512Kb x8 or 256Kb x16, Boot Block Low Voltage Single Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M29W400BT, M29W400BB
Table 14. Read AC Characteristics
(T
Note: 1. Sampled only, not 100% tested.
Figure 8. Read Mode AC Waveforms
14/22
A
t
t
t
Symbol
t
GHQZ
ELQX
GLQX
EHQZ
t
t
t
t
t
t
t
t
t
t
t
= 0 to 70 C or –40 to 85 C)
EHQX
GHQX
BHQV
AVQV
ELQV
GLQV
AXQX
ELBH
BLQZ
AVAV
ELBL
A0-A17/
A–1
E
G
DQ0-DQ7/
DQ8-DQ15
BYTE
(1)
(1)
(1)
(1)
t
t
t
t
t
FHQV
t
ELFH
FLQZ
ELFL
t
Alt
t
ACC
t
t
t
t
t
OLZ
OH
RC
CE
OE
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
Test Condition
E = V
E = V
G = V
G = V
G = V
G = V
G = V
E = V
E = V
E = V
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
,
,
tBLQZ
Max
Max
Max
Max
Max
Max
Max
Max
Min
Min
Min
Min
VALID
tGHQX
tGHQZ
55
55
55
55
30
20
20
25
30
0
0
0
5
M29W400B
tEHQZ
70
70
70
70
30
25
25
25
30
0
0
0
5
90 / 120
90
90
90
35
30
30
30
40
tEHQX
0
0
0
5
tAXQX
AI02907
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns