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M25P40 Datasheet(PDF) 36 Page - STMicroelectronics

Part # M25P40
Description  4 Mbit, low voltage, serial Flash memory with 50 MHz SPI bus interface
PDF  53 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M25P40 Datasheet(HTML) 36 Page - STMicroelectronics

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Power-up and Power-down
M25P40
36/53
Figure 20.
Power-up timing
Table 8.
Power-up timing and VWI threshold
Symbol
Parameter
Min.
Max.
Unit
tVSL
(1)
1.
These parameters are characterized only.
VCC(min) to S low
10
µs
tPUW
(1)
Time delay to Write instruction
1
10
ms
VWI
(1)
Write Inhibit voltage (device grade 6)
1
2
V
Write Inhibit voltage (device grade 3)
1
2.2
V
VCC
AI04009C
VCC(min)
VWI
Reset State
of the
Device
Chip Selection Not Allowed
Program, Erase and Write Commands are Rejected by the Device
tVSL
tPUW
time
Read Access allowed
Device fully
accessible
VCC(max)



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