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AM49DL323BGB85IS 参数 Datasheet PDF下载

AM49DL323BGB85IS图片预览
型号: AM49DL323BGB85IS
PDF下载: 下载PDF文件 查看货源
内容描述: [Memory Circuit, Flash+PSRAM, CMOS, PBGA73,]
分类和应用: 静态存储器内存集成电路
文件页数/大小: 64 页 / 1054 K
品牌: CYPRESS [ CYPRESS ]
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P R E L I M I N A R Y  
pSRAM AC CHARACTERISTICS  
tWC  
Addresses  
A0 to A20  
tAS  
tWP  
tWR  
WE#  
tCW  
CE#1  
tCH  
CE2  
tBW  
UB#, LB#  
tCOE  
tODW  
tBE  
High-Z  
High-Z  
DOUT  
I/O1 to 16  
tDS  
Valid Data In  
tDH  
DIN  
I/O1 to 16  
(Note 1)  
Notes:  
1. If the device is using the I/Os to output data, input signals of reverse polarity must not be applied.  
2. If OE# is high during the write cycle, the outputs will remain at high impedance.  
Figure 32. Pseudo SRAM Write Cycle—  
UB#s and LB#s Control  
58  
Am49DL32xBG  
July 19, 2002