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AS7C3364PFD32B-200TQIN

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型号: AS7C3364PFD32B-200TQIN
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功能描述: 3.3V 64K X 32/36 pipeline burst synchronous SRAM
PDF文件大小: 549.22 Kbytes
PDF页数: 共19页
制造商: ALSC[Alliance Semiconductor Corporation]
制造商LOGO: ALSC[Alliance Semiconductor Corporation] LOGO
制造商网址: http://www.alsc.com
捡单宝AS7C3364PFD32B-200TQIN
PDF页面索引
120%
AS7C3364PFD32B
AS7C3364PFD36B
®
1/31/05; v.1.1 Alliance Semiconductor P. 7 of 19
Synchronous truth table
[4]
CE0
1
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, 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.
OE Address accessed CLK Operation DQ
HXXXLX X X NA L to H DeselectHiZ
L L X L X X X X NA L to H Deselect HiZ
L L X H L X X X NA L to H Deselect HiZ
L X H L X X X X NA L to H Deselect HiZ
L X H H L X X X NA L to H Deselect HiZ
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 HiZ
LHLHLX H L External L to H Begin read Q
LHLHLX H H External L to H Begin read HiZ
XXXHHL H L Next L to HContinue readQ
XXXHHL H H Next L to HContinue readHiZ
XXXHHH H L Current L to HSuspend readQ
XXXHHH H H Current L to HSuspend readHiZ
HXXXHL H L Next L to HContinue readQ
HXXXHL H H Next L to HContinue readHiZ
HXXXHH H L Current L to HSuspend readQ
HXXXHH H H Current L to HSuspend readHiZ
L H L H L X L X External L to H Begin write D
3
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.
XXXHHL L X Next L to HContinue writeD
HXXXHL L X Next L to HContinue writeD
XXXHHH L X Current L to HSuspend writeD
HXXXHH L X Current L to HSuspend writeD
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