AS7C33512PFS18A 查看數據表（PDF） - Alliance Semiconductor
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AS7C33512PFS18A Datasheet PDF : 11 Pages
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AS7C33512PFS16A
AS7C33512PFS18A
®
Synchronous truth table
CE0 CE1 CE2 ADSP ADSC ADV
H
X
X
X
L
X
L
L
X
L
X
X
L
L
X
H
L
X
L
X
H
L
X
X
L
X
HH
L
X
L
H
L
L
X
X
L
H
L
L
X
X
L
H
L
H
L
X
L
H
L
H
L
X
X
X
X
H
H
L
X
X
X
H
H
L
X
X
X
H
H
H
X
X
X
H
H
H
H
X
X
X
H
L
H
X
X
X
H
L
H
X
X
X
H
H
H
X
X
X
H
H
L
H
L
H
L
X
X
X
X
H
H
L
H
X
X
X
H
L
X
X
X
H
H
H
H
X
X
X
H
H
WEn1
X
X
X
X
X
X
X
F
F
F
F
F
F
F
F
F
F
T
T
T
T
T
OE Address accessed CLK
X
NA
L to H
X
NA
L to H
X
NA
L to H
X
NA
L to H
X
NA
L to H
L
External L to H
H
External L to H
L
External L to H
H
External L to H
L
Next
L to H
H
Next
L to H
L
Current L to H
H
Current L to H
L
Next
L to H
H
Next
L to H
L
Current L to H
H
Current L to H
X
External L to H
X
Next
L to H
X
Next
L to H
X
Current L to H
X
Current L to H
Operation
Deselect
Deselect
Deselect
Deselect
Deselect
Begin read
Begin read
Begin read
Begin read
Cont. read
Cont. read
Suspend read
Suspend read
Cont. read
Cont. read
Suspend read
Suspend read
Begin write
Cont. write
Cont. write
Suspend write
Suspend write
DQ
Hi−Z
Hi−Z
Hi−Z
Hi−Z
Hi−Z
Hi−Z2
Hi−Z
Hi−Z2
Hi−Z
Q
Hi−Z
Q
Hi−Z
Q
Hi−Z
Q
Hi−Z
D3
D
D
D
D
Key: X = Don’t Care, L = Low, H = High.
1See “Write enable truth table” on page 2 for more information.
2Q in flow through mode
3For write operation following a READ, OE must be HIGH before the input data set up time and held HIGH throughout the input hold time.
Recommended operating conditions
Parameter
Supply voltage
3.3V I/O supply
voltage
2.5V I/O supply
voltage
Input voltages†
Address and
control pins
I/O pins
Ambient operating temperature
Symbol
VDD
VSS
VDDQ
VSSQ
VDDQ
VSSQ
VIH
VIL
VIH
VIL
TA
Min
3.135
0.0
3.135
0.0
2.35
0.0
2.0
–0.5*
2.0
–0.5*
0
Nominal
3.3
0.0
3.3
0.0
2.5
0.0
–
–
–
–
–
Max
Unit
3.6
V
0.0
3.6
V
0.0
2.9
V
0.0
VDD + 0.3
V
0.8
VDDQ + 0.3
V
0.8
70
°C
3/13/01; v.0.9
Alliance Semiconductor
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