M29W400B STMICROELECTRONICS [STMicroelectronics], M29W400B Datasheet - Page 23

• Manufacturer Part Number: M29W400B
• Description: 4 Mbit 512Kb x8 or 256Kb x16, Boot Block Low Voltage Single Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Table 17A. Data Polling and Toggle Bit AC Characteristics
(T
Note: 1. All other timings are defined in Read AC Characteristics table.
Table 17B. Data Polling and Toggle Bit AC Characteristics
(T
Note: 1. All other timings are defined in Read AC Characteristics table.
t
t
t
t
t
t
Sym-
t
Sym-
t
WHQ7V
t
WHQ7V
t
A
EHQ7V
Q7VQV
A
EHQ7V
Q7VQV
WHQV
WHQV
EHQV
EHQV
bol
bol
= 0 to 70 C, –20 to 85 C or –40 to 85 C)
= 0 to 70 C, –20 to 85 C or –40 to 85 C)
Write Enable High to DQ7 Valid
(Program, W Controlled)
Write Enable High to DQ7 Valid
(Chip Erase, W Controlled)
Chip Enable High to DQ7 Valid
(Program, E Controlled)
Chip Enable High to DQ7 Valid
(Chip Erase, E Controlled)
Q7 Valid to Output Valid (Data Polling)
Write Enable High to Output Valid (Program)
Write Enable High to Output Valid (Chip Erase)
Chip Enable High to Output Valid (Program)
Chip Enable High to Output Valid (Chip Erase)
Write Enable High to DQ7 Valid
(Program, W Controlled)
Write Enable High to DQ7 Valid
(Chip Erase, W Controlled)
Chip Enable High to DQ7 Valid
(Program, E Controlled)
Chip Enable High to DQ7 Valid
(Chip Erase, E Controlled)
Q7 Valid to Output Valid (Data Polling)
Write Enable High to Output Valid (Program)
Write Enable High to Output Valid (Chip Erase)
Chip Enable High to Output Valid (Program)
Chip Enable High to Output Valid (Chip Erase)
Parameter
Parameter
V
V
Min
Min
CC
CC
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
10
10
10
10
10
10
10
10
C
= 3.0V to 3.6V
= 2.7V to 3.6V
L
(1)
(1)
-120
= 30pF
-90
M29W400T / M29W400B
M29W400T / M29W400B
2400
2400
2400
2400
2400
2400
2400
2400
Max
Max
30
30
35
30
30
30
30
50
30
30
M29W400T, M29W400B
V
V
Min
Min
CC
CC
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
10
10
10
10
10
10
10
10
C
= 2.7V to 3.6V
= 2.7V to 3.6V
L
-100
-150
= 30pF
2400
2400
2400
2400
2400
2400
2400
2400
Max
Max
30
30
40
30
30
30
30
55
30
30
Unit
Unit
sec
sec
sec
sec
sec
sec
sec
sec
ms
ms
23/34
ns
ns
s
s
s
s
s
s