HB54A2568KN-A75B Datasheet (Elpida Memory)

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

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

HB54A2568KN-A75B 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) (