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HM5216405 Datasheet Sdram

Manufacturer: Hitachi Semiconductor (now Renesas)

Overview: HM5216805 Series, HM5216405 Series 1,048,576-word × 8-bit × 2-bank Synchronous Dynamic RAM 2,097,152-word × 4-bit × 2-bank Synchronous Dynamic RAM ADE-203-304B (Z) Rev. 2.0 Dec.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

All inputs and outputs are referred to the rising edge of the clock input.

The HM5216805 Series, HM5216405 Series are offered in 2 banks for improved performance.

Key Features

  • 3.3V Power supply.
  • Clock frequency: 100 MHz/83 MHz/66 MHz (max).
  • LVTTL interface.
  • Single pulsed RAS.
  • 2 Banks can operates simultaneously and independently.
  • Burst read/write operation and burst read/single write operation capability.
  • Programmable burst length: 1/2/4/8/full page.
  • 2 variations of burst sequence  Sequential (BL = 1/2/4/8/full page)  Interleave (BL = 1/2/4/8).
  • Programmable CAS latency: 1/2/3.

HM5216405 Distributor