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29F040 Datasheet(PDF) 23 Page - STMicroelectronics

Part # 29F040
Description  4 Mbit 512Kb x8, Uniform Block Single Supply Flash Memory
PDF  31 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

29F040 Datasheet(HTML) 23 Page - STMicroelectronics

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READ DQ5 & DQ7
at VALID ADDRESS
START
READ DQ7
FAIL
PASS
AI01369
DQ7
=
DATA
YES
NO
YES
NO
DQ5
= 1
DQ7
=
DATA
YES
NO
Figure 10. Data Polling Flowchart
READ
DQ5 & DQ6
START
READ DQ6
FAIL
PASS
AI01370
DQ6
=
TOGGLE
NO
NO
YES
YES
DQ5
= 1
NO
YES
DQ6
=
TOGGLE
Figure 11. Data Toggle Flowchart
Parameter
M29F040
Unit
Min
Typ
Max
Chip Program (Byte)
6
sec
Chip Erase (Preprogrammed)
2.5
30
sec
Chip Erase
8.5
sec
Block Erase (Preprogrammed)
1
30
sec
Block Erase
1.5
sec
Byte Program
10
1500
µs
Program/Erase Cycles (per Block)
100,000
cycles
Table 16. Program, Erase Times and Program, Erase Endurance Cycles
(TA = 0 to 70
°C; VCC = 5V ± 10% or 5V ± 5%)
23/31
M29F040



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