29W040 データシートの表示（PDF） - STMicroelectronics
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29W040 Datasheet PDF : 31 Pages
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M29W040
Table 15B. Data Polling and Toggle Bit AC Characteristics (1)
(TA = 0 to 70°C, –20 to 85°C or –40 to 85°C)
M29W040
Symbol Alt
Parameter
-150
VCC = 2.7V to 3.6V
Min
Max
-200
VCC = 2.7V to 3.6V
Min
Max
tWHQ7V1 (2)
Write Enable High to DQ7 Valid
(Program, W Controlled)
12
12
tWHQ7V2 (2)
Write Enable High to DQ7 Valid
(Block Erase, W Controlled)
1.5
30
1.5
30
tEHQ7V1 (2)
Chip Enable High to DQ7 Valid
(Program, E Controlled)
12
12
tEHQ7V2 (2)
Chip Enable High to DQ7 Valid
(Block Erase, E Controlled)
1.5
30
1.5
30
tQ7VQV
tWHQV1
Q7 Valid to Output Valid (Data Polling)
55
70
Write Enable High to Output Valid
(Program)
12
12
tWHQV2
Write Enable High to Output Valid
(Block Erase)
1.5
30
1.5
30
tEHQV1
Chip Enable High to Output Valid
(Program)
12
12
tEHQV2
Chip Enable High to Output Valid
(Block Erase)
1.5
30
1.5
30
Notes: 1. All other timings are defined in Read AC Characteristics table.
2. tWHQ7V is the Program or Erase time.
Unit
µs
sec
µs
sec
ns
µs
sec
µs
sec
20/31
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