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EM428M1644RTA Datasheet Double Data Rate Sdram

Manufacturer: Eorex

Overview: eorex EM428M1644RTA 128Mb (2M×4Bank×16) Double DATA RATE SDRAM.

Datasheet Details

Part number EM428M1644RTA
Manufacturer Eorex
File Size 336.15 KB
Description Double DATA RATE SDRAM
Datasheet EM428M1644RTA-Eorex.pdf

General Description

The EM428M1644RTA is high speed Synchronous graphic RAM fabricated with ultra high performance CMOS process containing 134,217,728 bits which organized as 2Meg words x 4 banks by 16 bits.

The 128Mb DDR SDRAM uses a double data rate architecture to acplish high-speed operation.

The data path internally prefetches multiple bits and It transfers the datafor both rising and falling edges of the system clock.It means the doubled data bandwidth can be achieved at the I/O pins.

Key Features

  • Internal Double-Date-Rate architecture with 2 Accesses per clock cycle.
  • VDD/VDDQ= 2.5V ±0.2V for (-75 and -6).
  • VDD/VDDQ= 2.6V ±0.1V for (-5 ).
  • 2.5V SSTL-2 compatible I/O.
  • Burst Length (B/L) of 2, 4, 8.
  • 2,2.5,3 Clock read latency.
  • Bi-directional,intermittent data strobe(DQS).
  • All inputs except data and DM are sampled at the positive edge of the system clock.
  • Data Mask (DM) for write data.
  • Sequential & Int.

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