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M29W400T Datasheet(PDF) 23 Page - STMicroelectronics

Part # M29W400T
Description  4 Mbit 512Kb x8 or 256Kb x16, Boot Block Low Voltage Single Supply Flash Memory
PDF  34 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M29W400T Datasheet(HTML) 23 Page - STMicroelectronics

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background image
Sym-
bol
Parameter
M29W400T / M29W400B
Unit
-90
-100
VCC = 3.0V to 3.6V
CL = 30pF
VCC = 2.7V to 3.6V
CL = 30pF
Min
Max
Min
Max
tWHQ7V
Write Enable High to DQ7 Valid
(Program, W Controlled)
10
2400
10
2400
ms
Write Enable High to DQ7 Valid
(Chip Erase, W Controlled)
1.0
30
1.0
30
sec
tEHQ7V
Chip Enable High to DQ7 Valid
(Program, E Controlled)
10
2400
10
2400
µs
Chip Enable High to DQ7 Valid
(Chip Erase, E Controlled)
1.0
30
1.0
30
sec
tQ7VQV
Q7 Valid to Output Valid (Data Polling)
35
40
ns
tWHQV
Write Enable High to Output Valid (Program)
10
2400
10
2400
µs
Write Enable High to Output Valid (Chip Erase)
1.0
30
1.0
30
sec
tEHQV
Chip Enable High to Output Valid (Program)
10
2400
10
2400
µs
Chip Enable High to Output Valid (Chip Erase)
1.0
30
1.0
30
sec
Note: 1. All other timings are defined in Read AC Characteristics table.
Table 17A. Data Polling and Toggle Bit AC Characteristics (1)
(TA = 0 to 70
°C, –20 to 85°C or –40 to 85°C)
Sym-
bol
Parameter
M29W400T / M29W400B
Unit
-120
-150
VCC = 2.7V to 3.6V
VCC = 2.7V to 3.6V
Min
Max
Min
Max
tWHQ7V
Write Enable High to DQ7 Valid
(Program, W Controlled)
10
2400
10
2400
ms
Write Enable High to DQ7 Valid
(Chip Erase, W Controlled)
1.0
30
1.0
30
sec
tEHQ7V
Chip Enable High to DQ7 Valid
(Program, E Controlled)
10
2400
10
2400
µs
Chip Enable High to DQ7 Valid
(Chip Erase, E Controlled)
1.0
30
1.0
30
sec
tQ7VQV
Q7 Valid to Output Valid (Data Polling)
50
55
ns
tWHQV
Write Enable High to Output Valid (Program)
10
2400
10
2400
µs
Write Enable High to Output Valid (Chip Erase)
1.0
30
1.0
30
sec
tEHQV
Chip Enable High to Output Valid (Program)
10
2400
10
2400
µs
Chip Enable High to Output Valid (Chip Erase)
1.0
30
1.0
30
sec
Note: 1. All other timings are defined in Read AC Characteristics table.
Table 17B. Data Polling and Toggle Bit AC Characteristics (1)
(TA = 0 to 70
°C, –20 to 85°C or –40 to 85°C)
23/34
M29W400T, M29W400B



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