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NTE21256 数据表 (PDF) - NTE Electronics

NTE21256 Datasheet PDF - NTE Electronics
部件名 NTE21256
下载  NTE21256 下载

文件大小   42.61 Kbytes
  6 Pages
制造商  NTE [NTE Electronics]
网页  http://www.nteinc.com
标志 NTE - NTE Electronics
功能描述 262,144-Bit Dynamic Random Access Memory (DRAM)

NTE21256 Datasheet (PDF)

Go To PDF Page 下载 数据表
NTE21256 Datasheet PDF - NTE Electronics

部件名 NTE21256
下载  NTE21256 Click to download

文件大小   42.61 Kbytes
  6 Pages
制造商  NTE [NTE Electronics]
网页  http://www.nteinc.com
标志 NTE - NTE Electronics
功能描述 262,144-Bit Dynamic Random Access Memory (DRAM)

NTE21256 数据表 (HTML) - NTE Electronics

NTE21256 Datasheet HTML 1Page - NTE Electronics NTE21256 Datasheet HTML 2Page - NTE Electronics NTE21256 Datasheet HTML 3Page - NTE Electronics NTE21256 Datasheet HTML 4Page - NTE Electronics NTE21256 Datasheet HTML 5Page - NTE Electronics NTE21256 Datasheet HTML 6Page - NTE Electronics

NTE21256 产品详情

Description:

The NTE21256 is a 262,144 word by 1–bit dynamic Random Access Memory. This 5V–only component is fabricated with N–channel silicon gate technology.

Nine multiplexed address inputs permit the NTE21256 to be packaged in an industry standard 16–Lead DIP package. Features of this device include single power supply with ±10% tolerance, on–chip address, date registers which eliminate the need for interface registers, and fully TTL compatible inputs and outputs, including clocks.

In addition to the usual read, write, and read–modify–write cycles, the NTE21256 is capable of early and late write cycles, RAS–only refresh, and hidden refresh. Common I/O capability is given by using early write operation.

The NTE21256 also features page mode which allows high–speed random access of bits in the same row.



Features:

• 262,144 x 1–Bit Organization

• Single +5V Supply, ±10% Tolerance

• Low Power Dissipation:

   –385mW active (Max)

   –28mW standby (Max)

• Access Time: 150ns

• Cycle Time: 260ns

• All Inputs and Outputs TTL Compatible

• On–Chip Substrate Bias Generator

• Three–State Data Output

• Read, Write, Read–Modify–Write, RAS–Only–Refresh, Hidden Refresh

• Common I/O Capability using “Early Write” Operation

• Page Mode Read and Write, Read–Write

• 256 Refresh Cycles with 4ms Refresh Period



 




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