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A3S28D40FTP Datasheet 128M Double Data Rate Synchronous DRAM

Manufacturer: Zentel

Download the A3S28D40FTP datasheet PDF. This datasheet also includes the A3S28D30FTP variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (A3S28D30FTP-Zentel.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number A3S28D40FTP
Manufacturer Zentel
File Size 202.03 KB
Description 128M Double Data Rate Synchronous DRAM
Datasheet download datasheet A3S28D40FTP Datasheet

General Description

A3S28D30FTP is a 4-bank x 4,194,304-word x 8bit, A3S28D40FTP is a 4-bank x 2,097,152-word x 16bit double data rate synchronous DRAM , with SSTL_2 interface.

All control and address signals are referenced to the rising edge of CLK.

Input data is registered on both edges of data strobe ,and output data and data strobe are referenced on both edges of CLK.

Overview

A3S28D30FTP A3S28D40FTP 128M Double Data Rate Synchronous DRAM 128Mb DDR SDRAM Specification A3S28D30FTP A3S28D40FTP Zentel Electronics Corp.

Revision 1.0 Apr.

Key Features

  • - Vdd=VddQ=2.5V+0.2V (-4, -5E, -5) - Double data rate architecture ; two data transfers per clock cycle. - Bidirectional , data strobe (DQS) is transmitted/received with data - Differential clock input (CLK and /CLK) - DLL aligns DQ and DQS transitions with CLK transitions edges of DQS - Commands entered on each positive CLK edge ; - Data and data mask referenced to both edges of DQS - 4 bank operation controlled by BA0 , BA1 (Bank Address) - /CAS latency - 2.0 / 2.5 / 3.0 / 4.0 (programmable) ;.

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