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M29F040 数据表(PDF) 17 Page - STMicroelectronics

部件名 M29F040
功能描述  4 Mbit 512Kb x8, Uniform Block Single Supply Flash Memory
PDF  31 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M29F040 数据表(HTML) 17 Page - STMicroelectronics

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background image
Symbol
Alt
Parameter
M29F040
Unit
-70
-90
VCC = 5V
± 10%
VCC = 5V
± 10%
Standard
Interface
Standard
Interface
Min
Max
Min
Max
tAVAV
tWC
Address Valid to Next Address Valid
70
90
ns
tWLEL
tWS
Write Enable Low to Chip Enable Low
0
0
ns
tELEH
tCP
Chip Enable Low to Chip Enable High
35
45
ns
tDVEH
tDS
Input Valid to Chip Enable High
30
45
ns
tEHDX
tDH
Chip Enable High to Input Transition
0
0
ns
tEHWH
tWH
Chip Enable High to Write Enable High
0
0
ns
tEHEL
tCPH
Chip Enable High to Chip Enable Low
20
20
ns
tAVEL
tAS
Address Valid to Chip Enable Low
0
0
ns
tELAX
tAH
Chip Enable Low to Address Transition
45
45
ns
tGHEL
Output Enable High Chip Enable Low
0
0
ns
tVCHWL
tVCS
VCC High to Write Enable Low
50
50
µs
tEHQV1
(1)
Chip Enable High to Output Valid (Program)
10
10
µs
tEHQV2
(1)
Chip Enable High to Output Valid
(Block Erase)
1.0301.0
30
sec
tEHGL
tOEH
Chip Enable High to Output Enable Low
0
0
ns
Note: 1. Time is measured to Data Polling or Toggle Bit, tWHQV = tWHQ7V + tQ7VQV.
2. The temperature range –40 to 125
°C is guaranteed at 70ns with High Speed Interface test condition and VCC = 5V ± 5%.
Table 14A. Write AC Characteristics, Chip Enable Controlled
(TA = 0 to 70
°C, –20 to 85°C, –40 to 85°C or –40 to 125°C)(2)
17/31
M29F040



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