Datasheet > EDI8L32256V15AI

EDI8L32256V15AI

更新时间： 2024-11-15 23:50:11

品牌	Logo	应用领域
其他 - ETC		内存集成电路静态存储器
页数	文件大小	规格书
10页	511K
描述
x32 SRAM

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数据手册

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EDI8L32256V15AI 数据手册

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

SHARC^TMDSP (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

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%)

DQØ-DQ31

VCC

VSS

Ground

No Connection

March, 1998 Rev. 2

ECO# 10135

White Electronic Designs Corporation • Westborough, MA 01581 •

(508) 366-5151 www.whiteedc.com

12 3 4 5 6 7...10

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