AS7C33128FT32B 데이터 시트보기 (PDF) - Alliance Semiconductor
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AS7C33128FT32B Datasheet PDF : 19 Pages
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AS7C33128PFS32B
AS7C33128PFS36B
®
Synchronous truth table[4]
CE01 CE1
H
X
L
L
L
L
L
X
L
X
L
H
L
H
L
H
L
H
X
X
X
X
X
X
X
X
H
X
H
X
H
X
H
X
L
H
X
X
H
X
X
X
H
X
CE2 ADSP ADSC ADV WRITE[2] OE
X
X
LX
X
X
X
L
XX
X
X
X
H
LX
X
X
H
L
XX
X
X
H
H
LX
X
X
L
L
XX
X
L
L
L
XX
X
H
L
H
LX
H
L
L
H
LX
H
H
X
H
HL
H
L
X
H
HL
H
H
X
H
HH
H
L
X
H
HH
H
H
X
X
HL
H
L
X
X
HL
H
H
X
X
HH
H
L
X
X
HH
H
H
L
H
LX
L
X
X
H
HL
L
X
X
X
HL
L
X
X
H
HH
L
X
X
X
HH
L
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
Continue read
Continue read
Suspend read
Suspend read
Continue read
Continue read
Suspend read
Suspend read
Begin write
Continue write
Continue write
Suspend write
Suspend write
DQ
Hi−Z
Hi−Z
Hi−Z
Hi−Z
Hi−Z
Q
Hi−Z
Q
Hi−Z
Q
Hi−Z
Q
Hi−Z
Q
Hi−Z
Q
Hi−Z
D3
D
D
D
D
1 X = don’t care, L = low, H = high
2 For WRITE, L means any one or more byte write enable signals (BWa, BWb, BWc or BWd) 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.
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.
12/10/04; v.1.7
Alliance Semiconductor
P. 7 of 19
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