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GD25Q257DBER bảng dữ liệu(PDF) 86 Page - GigaDevice Semiconductor (Beijing) Inc.

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Giải thích chi tiết về linh kiện  3.3V Uniform Sector Dual and Quad Serial Flash
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3.3V Uniform Sector
Dual and Quad Serial Flash
GD25Q257D
86
9.6. AC CHARACTERISTICS
(T= -40℃~85℃, VCC=2.7~3.6V, CL=30pf)
Symbol
Parameter
Min.
Typ.
Max.
Unit
fC0
Serial Clock Frequency for all instructions except Read
104
MHz
fC1
Serial Clock Frequency for Dual I/O (BBH, BCH), Quad I/O (EBH,
ECH), Dual Output (3BH, 3CH), Quad Output (6BH, 6CH), Fast
Read (0BH, 0CH) instructions, on 3.0 - 3.6V power supply
104
MHz
fC2
Serial Clock Frequency for DTR Quad I/O Fast Read (EEH, EDH)
instructions, on 3.0 - 3.6V power supply
80
MHz
fC3
Serial Clock Frequency for Dual I/O (BBH, BCH), Quad I/O (EBH,
ECH), Dual Output (3BH, 3CH), Quad Output (6BH, 6CH), Fast
Read (0BH, 0CH) instructions, on 2.7
– 3.0V power supply
80
MHz
fC4
Serial Clock Frequency for DTR Quad I/O Fast Read (EEH, EDH)
instructions, on 2.7
– 3.0V power supply
70
MHz
fR
Serial Clock Frequency For: Read (03H, 13H)
50
MHz
tCLH1
Serial Clock High Time in STR Mode
3.7
ns
tCLH2
Serial Clock High Time in DTR Mode
5.6
ns
tCLL1
Serial Clock Low Time in STR Mode
3.7
ns
tCLL2
Serial Clock Low Time in DTR Mode
5.6
ns
tCLCH
Serial Clock Rise Time (Slew Rate)
0.2
V/ns
tCHCL
Serial Clock Fall Time (Slew Rate)
0.2
V/ns
tSLCH
CS# Active Setup Time
8
ns
tCHSH
CS# Active Hold Time
5
ns
tSHCH
CS# Not Active Setup Time
5
ns
tCHSL
CS# Not Active Hold Time
5
ns
tSHSL
CS# High Time (Read/Write)
20
ns
tSHQZ
Output Disable Time
6
ns
tCLQX
Output Hold Time
1.8
ns
tDVCH
Data In Setup Time
2
ns
tCHDX
Data In Hold Time
2
ns
tHLCH
HOLD# Low Setup Time (Relative to Clock)
5
ns
tHHCH
HOLD# High Setup Time (Relative to Clock)
5
ns
tCHHL
HOLD# High Hold Time (Relative to Clock)
5
ns
tCHHH
HOLD# Low Hold Time (Relative to Clock)
5
ns
tHLQZ
HOLD# Low To High-Z Output
6
ns
tHHQX
HOLD# High To Low-Z Output
8
ns
tCLQV
Clock Low To Output Valid
7
ns
tWHSL
Write Protect Setup Time Before CS# Low
20
ns
tSHWL
Write Protect Hold Time After CS# High
100
ns
tDP
CS# High To Deep Power-Down Mode
20
μs
tRES1
CS# High To Standby Mode Without Electronic Signature Read
30
μs



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