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HYB25D256400BT - 256-Mbit Double Data Rate SDRAM

General Description

The 256Mb DDR SDRAM is a high-speed CMOS, dynamic random-access memory containing 268,435,456 bits.

It is internally configured as a quad-bank DRAM.

The 256Mb DDR SDRAM uses a double-data-rate architecture to achieve high-speed operation.

Key Features

  • CAS Latency and Frequency CAS Latency 2 2.5 Maximum Operating Frequency (MHz) DDR200 DDR266A DDR266 DDR333 -8 -7 -7F -6 100 133 133 133 125 143 143 166.
  • Double data rate architecture: two data transfers per clock cycle.
  • Bidirectional data strobe (DQS) is transmitted and received with data, to be used in capturing data at the receiver.
  • DQS is edge-aligned with data for reads and is center-aligned with data for writes.
  • Differential clock inputs (CK and CK).

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Datasheet Details

Part number HYB25D256400BT
Manufacturer Infineon Technologies AG
File Size 2.15 MB
Description 256-Mbit Double Data Rate SDRAM
Datasheet download datasheet HYB25D256400BT Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HYB25D256[400/800/160]B[T/C](L) 256-Mbit Double Data Rate SDRAM, Die Rev. B Data Sheet Jan. 2003, V1.1 Features CAS Latency and Frequency CAS Latency 2 2.