M25P20 데이터 시트보기 (PDF) - STMicroelectronics
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M25P20 Datasheet PDF : 50 Pages
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DC and AC parameters
M25P20
Table 20.
AC Characteristics (50MHz Operation, Device Grade 6)
50MHz available only in products with Process Technology code X(1)
Test conditions specified in Table 10 and Table 17
Symbol Alt.
Parameter
Min.
Clock Frequency for the following
fC
fC instructions: FAST_READ, PP, SE, BE, DP, D.C.
RES, WREN, RDID, WRDI, RDSR, WRSR
fR
tCH(2)
tCL(2)
tCLCH(3)
tCHCL(3)
tSLCH
tCHSL
tDVCH
tCHDX
tCHSH
tSHCH
tSHSL
tSHQZ(3)
tCLQV
tCLQX
tHLCH
tCHHH
tHHCH
tCHHL
tHHQX(3)
tHLQZ(3)
tWHSL(5)
tSHWL(5)
tDP(3)
tRES1(3)
Clock Frequency for READ instructions
tCLH Clock High Time
tCLL Clock Low Time
Clock Rise Time(4) (peak to peak)
Clock Fall Time(4) (peak to peak)
tCSS S Active Setup Time (relative to C)
S Not Active Hold Time (relative to C)
tDSU
tDH
Data In Setup Time
Data In Hold Time
S Active Hold Time (relative to C)
S Not Active Setup Time (relative to C)
tCSH
tDIS
tV
tHO
S Deselect Time
Output Disable Time
Clock Low to Output Valid
Output Hold Time
HOLD Setup Time (relative to C)
HOLD Hold Time (relative to C)
HOLD Setup Time (relative to C)
HOLD Hold Time (relative to C)
tLZ HOLD to Output Low-Z
tHZ HOLD to Output High-Z
Write Protect Setup Time
Write Protect Hold Time
S High to Deep Power-down Mode
S High to Standby Power mode without
Electronic Signature Read
D.C.
9
9
0.1
0.1
5
5
2
5
5
5
100
0
5
5
5
5
20
100
tRES2(3)
S High to Standby Power mode with
Electronic Signature Read
1. Details of how to find the date of marking are given in Application Note, AN1995.
2. tCH + tCL must be greater than or equal to 1/ fC
3. Value guaranteed by characterization, not 100% tested in production.
4. Expressed as a slew-rate.
5. Only applicable as a constraint for a WRSR instruction when SRWD is set at 1.
Typ.
Max.
50
20
8
8
8
8
3
30
30
Unit
MHz
MHz
ns
ns
V/ns
V/ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
µs
42/50
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