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Description

The HYS 64V64220GU and HYS 72V64220GU are industry standard 168-pin 8-byte Dual in-line Memory Modules (DIMMs) which are organized as 64M × 64 and 64M × 72 in two banks high speed memory arrays designed with 256M Synchronous DRAMs (SDRAMs) for non-parity and ECC applications. The DIMMs use “-7” speed sorted 256 Mbit Synchronous DRAMs (SDRAMs) to meet the PC133-222 requirements, “-7.5” for PC133-333 and “-8” components for PC100-222 applications.

? 168-pin unbuffered 8 Byte Dual-In-Line SDRAM Modules for PC main memory applications using 256Mbit technology.

? PC100-222, PC133-333 & PC133-222 versions

? Two bank 64M × 64 and 64M × 72 organization

? Optimized for byte-write non-parity and ECC applications

? JEDEC standard Synchronous DRAMs (SDRAM)

? Programmed Latencies:

? SDRAM Performance:

? Single + 3.3 V (± 0.3 V) power supply

? Programmable CAS Latency, Burst Length, and Wrap Sequence (Sequential & Interleave)

? Auto Refresh (CBR) and Self Refresh

? Decoupling capacitors mounted on substrate

? All inputs and outputs are LVTTL compatible

? Serial Presence Detect with E2PROM

? Uses Infineon 256 Mbit SDRAM components in 32M × 8 organization and TSOPII-54 packages

? Fully PC board layout compatible to INTEL’s Rev. 1.0 module specification

? Gold contact pad, card size: 133.35 mm × 31.75 mm × 4.00 mm (JEDEC MO-161-BA)