AS7C33256PFD18A(2002) Ver la hoja de datos (PDF) - Alliance Semiconductor
Número de pieza
componentes Descripción
Fabricante
AS7C33256PFD18A Datasheet PDF : 11 Pages
| |||
AS7C33256PFD16A
AS7C33256PFD18A
®
Synchronous truth table
CE0 CE1 CE2 ADSP ADSC ADV WEn1 OE
H
X
X
X
L
X
X
X
L
L
X
L
X
X
X
X
L
L
X
H
L
X
X
X
L
X
H
L
X
X
X
X
L
X
H
H
L
X
X
X
L
H
L
L
X
X
X
L
L
H
L
L
X
X
X
H
L
H
L
H
L
X
F
L
L
H
L
H
L
X
F
H
X
X
X
H
H
L
F
L
X
X
X
H
H
L
F
H
X
X
X
H
H
H
F
L
X
X
X
H
H
H
F
H
H
X
X
X
H
L
F
L
H
X
X
X
H
L
F
H
H
X
X
X
H
H
F
L
H
X
X
X
H
H
F
H
L
H
L
H
L
X
T
X
X
X
X
H
H
L
T
X
H
X
X
X
H
L
T
X
X
X
X
H
H
H
T
X
H
X
X
X
H
H
T
X
Address
accessed
NA
NA
NA
NA
NA
External
External
External
External
Next
Next
Current
Current
Next
Next
Current
Current
External
Next
Next
Current
Current
CLK
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
L to H
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
Symbol
Min
Nominal
Max
Supply voltage
3.3V I/O supply voltage
2.5V I/O supply voltage
Input voltages1
Address and
control pins
I/O pins
VDD
3.135
3.3
VSS
0.0
0.0
VDDQ
3.135
3.3
VSSQ
0.0
0.0
VDDQ
2.35
2.5
VSSQ
0.0
0.0
VIH
2.0
–
VIL
–0.52
–
VIH
2.0
–
–
VIL
0.5<Superscript>
–
2
3.6
0.0
3.6
0.0
2.9
0.0
VDD + 0.3
0.8
VDDQ + 0.3
0.8
Unit
V
V
V
V
V
Ambient operating temperature
TA
0
–
70
°C
3/8/02; v.1.6
Alliance Semiconductor
P. 4 of 11
Share Link: 