Datasheet > 5962-9161706VZX

5962-9161706VZX

更新时间： 2023-02-15 00:00:00

品牌	Logo	应用领域
爱特美尔 - ATMEL		静态存储器
页数	文件大小	规格书
25页	678K
描述
Dual-Port SRAM, 8KX16, 45ns, CMOS, 1.150 X 1.150 INCH, MQFP-84

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5962-9161706VZX 数据手册

Features

• Fast access time: 30/45 ns

• Wide temperature range:

– -55°C to +125°C

• Separate upper byte and lower byte control for multiplexed bus compatibility

• Expandable data bus to 32 bits or more using master/slave chip select when using

more than one device

• On chip arbitration logic

• Versatile pin select for master or slave:

– M/S = H for busy output flag on master

– M/S = L for busy input flag on slave

• INT flag for port to port communication

• Full hardware support of semaphore signaling between ports

• Fully asynchronous operation from either port

• Battery back-up operation: 2V data retention

• TTL compatible

Rad Tolerant

High Speed

8 K x 16

• Single 5V + 10% power supply

• QML Q and V with SMD 5962-91617

Dual Port RAM

Introduction

The M67025E is a very low power CMOS dual port static RAM organised as 8192 ×

16. The product is designed to be used as a stand-alone 16 bit dual port RAM or as a

combination MASTER/SLAVE dual port for 32 bit or more width systems. The Atmel

MASTER/SLAVE dual port approach in memory system applications results in full

speed, error free operation without the need of an additional discrete logic.

M67025E

Master and slave devices provide two independant ports with separate control,

address and I/O pins that permit independant, asynchronous access for reads and

writes to any location in the memory. An automatic power down feature controlled by

CS permits the on-chip circuitry of each port in order to enter a very low stand by

power mode.

Using an array of eight transistors (8T) memory cell, the M67025E combines an

extremely low standby supply current (typ = 1.0 µA) with a fast access time at 30ns

over the full temperature range. All versions offer battery backup data retention capa-

bility with a typical power consumption at less than 5 µW.

For military/space applications that demand superior levels of performance and reli-

ability the M67025E is processed according to the methods of the latest revision of the

MIL PRF 38635 (Q and V) and/or ESA SCC 9000.

Rev. H – 21-Aug-01

12 3 4 5 6 7...25

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