EM6AA320 Datasheet (Etron Technology)

EM6AA320, 8M x 32 DDR SDRAM

Symbol CK, CK# Type Input 8Mx32 DDR SDRAM EM6AA320 Table 1.

Pin Details of EM6AA320 Description Differential Clock: CK, CK# are driven by the system clock.

All SDRAM input commands are sampled on the positive edge of CK.

Both CK and CK# increment the internal burst counter and controls the outpu

EtronTech Revision History Revision 0.6(May, 2006) Preliminary Spec Delete confidential wording.

EM6AA320 Revision 0.5(May, 2003) Preliminary Spec Revised the AC Timing of tCLK at CL=4 for pure VDD/VDDQ=2.8V spec.

Revision 0.4(May, 2003) Preliminary Spec Revised the AC Timing of tCLK at CL=4 for pure VDD/VDDQ=2.5V spec.

Revision 0.3(March, 2003) Preliminary Spec Separated pure VDD/VDDQ=2.8V spec for graphics application.

Revision 0.2(March, 2003) Preliminary Spec Separated pure VDD/VDDQ=2.5

EM6AA320 Features

* Fast clock rate: 300/275/250/200 MHz

* Differential Clock CK & CK# input

* 4 Bi-directional DQS. Data transactions on both edges of DQS (1DQS / Byte)

* DLL aligns DQ and DQS transitions

* Edge aligned data & DQS output

* Center aligned data & DQS inp