64Mx64 bits  
					Unbuffered DDR SO-DIMM  
					HYMD564M646B(L)P6-D43/D4/J  
					DESCRIPTION  
					Hynix HYMD564M646B(L)P6-D43/D4/J series is unbuffered 200-pin double data rate Synchronous DRAM Small Outline  
					Dual In-Line Memory Modules (SO-DIMMs) which are organized as 64M x 64 high-speed memory arrays. Hynix  
					HYMD564M646B(L)P6-D43/D4/J series consists of eight 32M x 16 DDR SDRAM in 400mil TSOP II packages on a  
					200pin glass-epoxy substrate. Hynix HYMD564M646B(L)P6-D43/D4/J series provide a high performance 8-byte inter-  
					face in 67.60mm x 31.75mm form factor of industry standard. It is suitable for easy interchange and addition.  
					Hynix HYMD564M646B(L)P6-D43/D4/J series is designed for high speed of up to 166/200MHz and offers fully synchro-  
					nous operations referenced to both rising and falling edges of differential clock inputs. While all addresses and control  
					inputs are latched on the rising edges of the clock, Data, Data strobes and Write data masks inputs are sampled on  
					both rising and falling edges of it. The data paths are internally pipelined and 2-bit prefetched to achieve very high  
					bandwidth. All input and output voltage levels are compatible with SSTL_2. High speed frequencies, programmable  
					latencies and burst lengths allow variety of device operation in high performance memory system.  
					Hynix HYMD564M646B(L)P6-D43/D4/J series incorporates SPD(serial presence detect). Serial presence detect function  
					is implemented via a serial 2,048-bit EEPROM. The first 128 bytes of serial PD data are programmed by Hynix to iden-  
					tify DIMM type, capacity and other the information of DIMM and the last 128 bytes are available to the customer.  
					FEATURES  
					•
					200-pin small outline dual in-line memory  
					module(SO-DIMM)  
					•
					•
					•
					Bidirectional data strobes synchronized with output  
					data for read and input data for write  
					•
					2.5V +/- 0.2V VDD and VDDQ Power supply for  
					DDR333 and 2.6V +/- 0.1V VDD and VDDQ for  
					DDR400  
					Programmable CAS Latency 3 for DDR400, 2.5 for  
					DDR333 supported  
					Programmable Burst Length 2/4/8 with both  
					sequential and interleave mode  
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					•
					•
					Double data rate architecture; two data accesses  
					per clock cycle  
					•
					•
					Internal four bank operations with single pulsed RAS  
					Differential Clock inputs (CK & /CK) with  
					166/200MHz  
					Auto & Self refresh mode  
					; 8192 refresh cycles /64ms  
					Data inputs on DQS centers when write  
					(centered DQ)  
					•
					Lead free (ROHS* Compliant)  
					*ROHS (Restriction Of Hazardous Substance)  
					ORDERING INFORMATION  
					Part No.  
					Power Supply  
					Clock Frequency  
					CL-tRCD-tRP  
					Form Pactor  
					HYMD564M646B(L)P6-D43  
					HYMD564M646B(L)P6-D4  
					HYMD564M646B(L)P6-J  
					200MHz (*DDR400)  
					200MHz (*DDR400)  
					166MHz (*DDR333)  
					3-3-3  
					3-4-4  
					VDD,VDDQ=2.6V  
					VDD,VDDQ=2.5V  
					200pin Unbuffered SO-DIMM  
					67.6mm x 31.75mm x 1mm  
					2.5-3-3  
					* JEDEC Defined Specifications compliant  
					This document is a general product description and is subject to change without notice. Hynix Semiconductor does not assume any  
					responsibility for use of circuits described. No patent licenses are implied.  
					Rev. 0.1 / Nov. 2004  
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