HB54A2568KN-A75B Datasheet 256MB DDR SDRAM S.O.DIMM

Manufacturer: Elpida Memory

Overview: PRELIMINARY DATA SHEET 256MB DDR SDRAM S.O.DIMM HB54A2568KN-A75B/B75B/10B (32M words × 64 bits, 2.

HB54A2568KN-A75B 256mb ddr sdram s.o.dimm by Elpida Memory - Datasheet Preview

Datasheet Details

Part number	HB54A2568KN-A75B
Manufacturer	Elpida Memory
File Size	514.63 KB
Description	256MB DDR SDRAM S.O.DIMM
Download	HB54A2568KN-A75B Download (PDF)

General Description

The HB54A2568KN is Double Data Rate (DDR) SDRAM Module, mounted 256M bits DDR SDRAM (HM5425161BTT) sealed in TSOP package, and 1 piece of serial EEPROM (2k bits EEPROM) for Presence Detect (PD).

The HB54A2568KN is organized as 16M × 64 × 2 bank mounted 8 pieces of 256M bits DDR SDRAM.

Read and write operations are performed at the cross points of the CK and the /CK.

Key Features

200-pin socket type package (dual lead out)  Outline: 67.6mm (Length) × 31.75mm (Height) × 3.80mm (Thickness)  Lead pitch: 0.6mm.
2.5V power supply (VCC).
SSTL-2 interface for all inputs and outputs.
Clock frequency: 133 MHz (max) (-A75B/B75B) : 100 MHz (max) (-10B).
Data inputs, outputs and DM are synchronized with DQS.
4 banks can operate simultaneously and independently (Component).
Burst read/write operation.
Programm.

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