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EDI8L32256V-AC PDF预览

EDI8L32256V-AC

更新时间: 2024-11-15 23:50:11
品牌 Logo 应用领域
其他 - ETC /
页数 文件大小 规格书
10页 511K
描述
TMS320C3000. TMS320C4000 Families

EDI8L32256V-AC 数据手册

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n 256Kx32 bit CMOS Static  
The EDI8L32256V is a high speed, 3.3 volt, 8 megabit SRAM.  
The device is available with access times of 12, 15, 17 and  
20ns, allowing the creation of a no wait state DSP memory  
solution.  
n DSP Memory Solution  
• ADSP - 21060L (SHARC)  
• ADSP - 21062L (SHARC)  
The device can be configured as a 256Kx32 and used to  
create a single chip external data memory solution for Texas  
Instruments' TMS320LC31 (figure 3), or Analog Device's  
SHARCTM DSP (figure 4).  
• TMS320LC31  
n Random Access Memory Array  
• Fast Access Times: 12, 15, 17 and 20ns  
• Individual Byte Enables  
Alternatively the device's chip enables can be used to con-  
figure it as a 512Kx16. A 512Kx48 program memory array  
for Analog's SHARC DSP is created using three devices (fig-  
ure 5). If this memory is too deep, two 256Kx24s  
(EDI8L24256V) can be used to create a 256Kx48 array or  
two 128Kx24s (EDI8L24128V) can be used to create a  
128Kx48 array.  
• User Configurable Organization  
with Minimal Additional Logic  
• Master Output Enable and Write Control  
• TTL Compatible Inputs and Outputs  
• Fully Static, No Clocks  
The device provides a 32ꢀ space savings when compared  
to two monolithic 256Kx16, 44 pin SOJs.  
n Surface Mount Package  
The device provides a memory upgrade of the EDI8L32128V  
(128Kx32). For more memory the device can be upgraded  
to the EDI8L32512V (512Kx32). For additional upgrade in-  
formation see figure 6.  
• 68 Lead PLCC, No. 99 JEDEC MO-47AE  
• Small Footprint, 0.990 Sq. In.  
• Multiple Ground Pins for Maximum Noise Immunity  
n Single 3.3V ( 5ꢀ) Supply Operation  
NOTE: Solder Reflow temperature should not exceed 260°C for 10 seconds.  
AØ-A17  
EØ-E1  
BSØ-BS3  
W
Address Inputs  
Chip Enables (One per Word)  
Byte Selects (One per Byte)  
Master Write Enable  
Master Output Enable  
Common Data Input/Output  
Power (3*3V±5%)  
G
DQØ-DQ31  
VCC  
VSS  
Ground  
NC  
No Connection  
March, 1998 Rev. 2  
ECO# 10135  
White Electronic Designs Corporation • Westborough, MA 01581 •  
(508) 366-5151 www.whiteedc.com  

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TMS320C3000. TMS320C4000 Families