256Mb, 3V Multiple I/O Serial Flash Memory
AC Characteristics and Operating Conditions
AC Characteristics and Operating Conditions
Table 48: AC Characteristics and Operating Conditions
Data
Transfer
Parameter
Symbol
Rate
Min
DC
Typ
–
Max
133
90
Unit Notes
Clock frequency for all commands other
than READ (Extended-SPI, DIO-SPI, and
QIO-SPI protocol)
fC
STR
MHz
DTR
DC
–
Clock frequency for READ command (03h)
fR
STR
DTR
DC
DC
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
54
27
–
MHz
Clock HIGH time
tCH
tCL
STR
3.375
5.0
ns
ns
2
2
DTR
–
Clock LOW time
STR
3.375
5.0
–
DTR
–
Clock rise time (peak-to-peak)
Clock fall time (peak-to-peak)
S# active setup time (relative to clock)
S# not active hold time (relative to clock)
Data in setup time
tCLCH
tCHCL
tSLCH
tCHSL
tDVCH
STR/DTR
STR/DTR
STR/DTR
STR/DTR
STR
0.1
–
V/ns
V/ns
ns
3, 4
3, 4
0.1
–
3.375
3.375
1.75
1.5
–
–
ns
–
ns
DTR
–
ns
tDVCL
tCHDX
tCLDX
tCHSH
DTR only
STR/DTR
DTR only
STR
1.5
–
ns
Data in hold time
2.3
–
ns
2.3
–
ns
S# active hold time (relative to clock)
3.375
5.0
–
ns
DTR
–
S# active hold time (relative to clock LOW)
Only for writes in DTR
tCLSH
tSHCH
DTR only
3.375
–
ns
S# not active setup time (relative to clock)
STR
3.375
5.0
20
–
–
–
–
–
–
–
–
ns
ns
ns
ns
DTR
S# deselect time after a READ command
tSHSL1
tSHSL2
STR/DTR
STR/DTR
S# deselect time after a nonREAD com-
mand
50
5
3
Output disable time
tSHQZ
tCLQV
STR/DTR
STR/DTR
STR/DTR
DTR only
DTR only
STR/DTR
DTR only
STR/DTR
STR/DTR
–
–
–
–
–
–
–
–
–
–
–
7
6
5
6
5
–
–
–
–
ns
ns
ns
ns
ns
ns
ns
ns
ns
Clock LOW to output valid under 30pF
Clock LOW to output valid under 10pF
Clock HIGH to output valid under 30pF
Clock HIGH to output valid under 10pF
Output hold time
–
tCHQV
–
–
tCLQX
tCHQX
tHLCH
tCHHH
1.5
1.5
3.375
3.375
Output hold time
HOLD setup time (relative to clock)
HOLD hold time (relative to clock)
CCMTD-1725822587-3368
mt25q-qljs-L256-ABA-xxT.pdf - Rev. K 07/18 EN
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