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M95640-R 数据表(PDF) 38 Page - STMicroelectronics

部件名 M95640-R
功能描述  64-Kbit serial SPI bus EEPROM with high-speed clock
PDF  53 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M95640-R 数据表(HTML) 38 Page - STMicroelectronics

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DC and AC parameters
M95640-W M95640-R M95640-DF
38/53
DocID16877 Rev 19
Table 18. AC characteristics (M95640-W, device grade 6)
Test conditions specified in Table 8 and Table 11
Symbol
Alt.
Parameter
VCC = 2.5 to 5.5 V
New products(1)
VCC = 4.5 to 5.5 V Unit
Min.
Max.
Min.
Max.
fC
fSCK Clock frequency
DC
10
DC
20
MHz
tSLCH
tCSS1 S active setup time
30
-
15
-
ns
tSHCH
tCSS2 S not active setup time
30
-
15
-
ns
tSHSL
tCS
S deselect time
40
-
20
-
ns
tCHSH
tCSH S active hold time
30
-
15
-
ns
tCHSL
-S not active hold time
30
-
15
-
ns
tCH(2)
tCLH Clock high time
40
-
20
-
ns
tCL(2)
tCLL
Clock low time
40
-
20
-
ns
tCLCH(3)
tRC
Clock rise time
-
2
-
2
µs
tCHCL(3)
tFC
Clock fall time
-
2
-
2
µs
tDVCH
tDSU Data in setup time
10
-
5
-
ns
tCHDX
tDH
Data in hold time
10
-
10
-
ns
tHHCH
-
Clock low hold time after HOLD not active
30
-
15
-
ns
tHLCH
-
Clock low hold time after HOLD active
30
-
15
-
ns
tCLHL
-
Clock low set-up time before HOLD active
0
-
0
-
ns
tCLHH
-
Clock low set-up time before HOLD not active
0
-
0
-
ns
tSHQZ(3)
tDIS
Output disable time
-
40
-
20
ns
tCLQV(4)
tV
Clock low to output valid
-
40
-
20
ns
tCLQX
tHO
Output hold time
0
-
0
-
ns
tQLQH(3)
tRO
Output rise time
-
40
-
20
ns
tQHQL(3)
tFO
Output fall time
-
40
-
20
ns
tHHQV
tLZ
HOLD high to output valid
-
40
-
20
ns
tHLQZ(3)
tHZ
HOLD low to output high-Z
-
40
-
20
ns
tW
tWC
Write time
-
5
-
5
ms
1. Only for devices identified by process letter K.
2. tCH + tCL must never be lower than the shortest possible clock period, 1/fC(max).
3. Characterized only, not tested in production.
4. tCLQV must be compatible with tCL (clock low time): if the SPI bus master offers a Read setup time tSU = 0 ns, tCL can be
equal to (or greater than) tCLQV; in all other cases, tCL must be equal to (or greater than) tCLQV+tSU.



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