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AS7C331MPFD18A Folha de dados(PDF) 7 Page - Alliance Semiconductor Corporation

Nome de Peças AS7C331MPFD18A
Descrição Electrónicos  3.3V 1M x 18 pipelined burst synchronous SRAM
PDF  19 Pages
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Fabricante Electrônico  ALSC [Alliance Semiconductor Corporation]
Página de início  https://www.alliancememory.com
Logo ALSC - Alliance Semiconductor Corporation

AS7C331MPFD18A Folha de dados(HTML) 7 Page - Alliance Semiconductor Corporation

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2/10/05, v. 1.3
Alliance Semiconductor
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AS7C331MPFD18A
®
Synchronous truth table[4]
CE01
1 X = don’t care, L = low, H = high
CE1
CE2
ADSP ADSC ADV WRITE[2]
2 For WRITE, L means any one or more byte write enable signals (BWa and BWb) and BWE are LOW or GWE is LOW. WRITE = HIGH for all BWx,
BWE, GWE HIGH. See "Write enable truth table (per byte)," on page 6 for more information.
OE
Address accessed
CLK
Operation
DQ
HXXX
L
X
X
X
NA
L to H
Deselect
Hi
−Z
L
L
X
L
X
X
X
X
NA
L to H
Deselect
Hi
−Z
L
L
X
H
L
X
X
X
NA
L to H
Deselect
Hi
−Z
L
X
H
L
X
X
X
X
NA
L to H
Deselect
Hi
−Z
L
X
H
H
L
X
X
X
NA
L to H
Deselect
Hi
−Z
L
H
L
L
X
X
X
L
External
L to H
Begin read
Q
L
H
L
L
X
X
X
H
External
L to H
Begin read
Hi
−Z
L
H
L
H
L
X
H
L
External
L to H
Begin read
Q
L
H
L
H
L
X
H
H
External
L to H
Begin read
Hi
−Z
XXXHH
L
H
L
Next
L to H
Continue read
Q
XXXHH
L
H
H
Next
L to H
Continue read
Hi
−Z
XXXHH
H
H
L
Current
L to H
Suspend read
Q
XXXHH
H
H
H
Current
L to H
Suspend read
Hi
−Z
HXXXH
L
H
L
Next
L to H
Continue read
Q
HXXXH
L
H
H
Next
L to H
Continue read
Hi
−Z
HXXXH
H
H
L
Current
L to H
Suspend read
Q
HXXXH
H
H
H
Current
L to H
Suspend read
Hi
−Z
L
H
L
H
L
X
L
X
External
L to H
Begin write
D3
3
For write operation following a READ,
OE must be high before the input data set up time and held high throughout the input hold time
4 ZZ pin is always Low.
XXXHH
L
L
X
Next
L to H
Continue write
D
HXXXH
L
L
X
Next
L to H
Continue write
D
XXXHH
H
L
X
Current
L to H
Suspend write
D
HXXXH
H
L
X
Current
L to H
Suspend write
D



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