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M25P40 数据表(PDF) 27 Page - STMicroelectronics

部件名 M25P40
功能描述  4 Mbit, Low Voltage, Serial Flash Memory With 40MHz SPI Bus Interface
PDF  40 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M25P40 数据表(HTML) 27 Page - STMicroelectronics

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M25P40
Figure 20. Power-up Timing
Table 7. Power-Up Timing and VWI Threshold
Note: 1. These parameters are characterized only.
INITIAL DELIVERY STATE
The device is delivered with the memory array
erased: all bits are set to 1 (each byte contains
FFh). The Status Register contains 00h (all Status
Register bits are 0).
Symbol
Parameter
Min.
Max.
Unit
tVSL1
VCC(min) to S low
10
µs
tPUW1
Time delay to Write instruction
1
10
ms
VWI1
Write Inhibit Voltage
1
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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