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PDM34078SA10QA PDF预览

PDM34078SA10QA

更新时间: 2024-01-12 01:07:37
品牌 Logo 应用领域
IXYS 静态存储器
页数 文件大小 规格书
14页 312K
描述
SRAM

PDM34078SA10QA 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:QFP, QFP100,.7X.9Reach Compliance Code:unknown
风险等级:5.92最长访问时间:10 ns
最大时钟频率 (fCLK):60 MHzI/O 类型:COMMON
JESD-30 代码:R-PQFP-G100JESD-609代码:e0
内存密度:1048576 bit内存集成电路类型:STANDARD SRAM
内存宽度:32端子数量:100
字数:32768 words字数代码:32000
工作模式:SYNCHRONOUS最高工作温度:105 °C
最低工作温度:-40 °C组织:32KX32
输出特性:3-STATE封装主体材料:PLASTIC/EPOXY
封装代码:QFP封装等效代码:QFP100,.7X.9
封装形状:RECTANGULAR封装形式:FLATPACK
并行/串行:PARALLEL电源:3.3 V
认证状态:Not Qualified最大待机电流:0.003 A
最小待机电流:3 V子类别:SRAMs
最大压摆率:0.23 mA标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.635 mm
端子位置:QUADBase Number Matches:1

PDM34078SA10QA 数据手册

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PDM34078  
3.3V 32K x 32 Fast CMOS  
Synchronous Static RAM  
with Burst Counter  
1
2
and Output Register  
Description  
Features  
The PDM34078 is a 1,048,576 bit synchronous  
random access memory organized as 32,768 x 32  
bits. This device designed with burst mode  
capability and interface controls to provide high-  
performance in second level cache designs for x86,  
Pentium, 680x0, and PowerPC microprocessors.  
Addresses, write data and all control signals except  
output enable are controlled through positive edge-  
triggered registers. Write cycles are self-timed and  
are also initiated by the rising edge of the clock.  
Controls are provided to allow burst reads and  
writes of up to four words in length. A 2-bit burst  
address counter controls the two least-significant  
bits of the address during burst reads and writes.  
The burst address counter selectively uses the 2-bit  
counting scheme required by the x86 and Pentium  
or 680x0 and PowerPC microprocessors as con-  
trolled by the mode pin. Individual write strobes  
provide byte write for the four 8-bit bytes of data.  
An asynchronous output enable simplifies interface  
to high-speed buses.  
Interfaces directly with the x86, Pentium™, 680X0  
and PowerPC™ processors  
(100, 80, 66, 60, 50 MHz)  
Single 3.3V power supply  
Mode selectable for interleaved or linear burst:  
Interleaved for x86 and Pentium  
Linear for 680x0 and PowerPC  
High-speed clock cycle times:  
10, 12.5, 15, 16.7 and 20 ns  
High-density 32K x 32 architecture with burst  
address counter and output register  
Fully registered inputs and outputs for pipelined  
operation  
3
4
5
High-output drive: 30 pF at rated T  
A
Asynchronous output enable  
Self-timed write cycle  
Separate byte write enables and one global write  
enable  
Internal burst read/write address counter  
Internal registers for address, data, controls  
Output data register  
7
Burst mode selectable  
Sleep mode  
Packages:  
8
100-pin QFP - (Q)  
100-pin TQFP - (TQ)  
9
10  
11  
12  
TM  
i486, Pentium are trademarks of Intel Corp. PowerPC is a trademark of the International Business Machines Corporation.  
Rev 1.0 - 5/01/98  
1