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HYS72D256520GR-8-A Datasheet

  • HYS72D256520GR-8-A

  • ?2GB (256Mx72) PC1600 2-bank available 3Q02?

  • 16頁(yè)

  • ETC

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HYS 72D256520GR-7/8-A
Low Profile Registered DDR-I SDRAM-Modules
2.5 V Low Profile 184-pin Registered DDR-I SDRAM Modules
2GByte Modules
PC1600 & PC2100
Preliminary Datasheet Rev. 0.9
鈥?184-pin Registered 8-Byte Dual-In-Line
DDR-I SDRAM Module for 鈥?U鈥?PC,
Workstation and Server main memory
applications
鈥?Two bank 256M x 72 organization
鈥?JEDEC standard Double Data Rate
Synchronous DRAMs (DDR-I SDRAM) with a
single + 2.5 V (
鹵
0.2 V) power supply
鈥?Built with DDR-I SDRAMs in 66-Lead TSOPII
package
鈥?Programmable CAS Latency, Burst Length,
and Wrap Sequence (Sequential &
Interleave)
鈥?Auto Refresh (CBR) and Self Refresh
鈥?Performance:
-7
Component Speed Grade
Module Speed Grade
f
CK
f
CK
鈥?All inputs and outputs SSTL_2 compatible
鈥?Re-drive for all input signals using register
and PLL devices.
鈥?Serial Presence Detect with E
2
PROM
鈥?Low Profile Modules form factor:
133.35 mm x 30,40 mm (1.2鈥? x 4.00 mm
(6,80 mm with stacked components)
鈥?Based on Jedec standard reference card
layout RawCard 鈥淢鈥?/div>
鈥?Gold plated contacts
-8
PC1600
125
100
Unit
DDR266A DDR200
PC2100
143
133
MHz
MHz
Clock Frequency (max.) @ CL = 2.5
Clock Frequency (max.) @ CL = 2
The HYS72Dxx5x0GR are low profile versions of the standard Registered DIMM modules with 1.2鈥?/div>
inch (30,40 mm) height for 1U Server Applications. The Low Profile DIMM versions are available as
256M x 72 (2GB).
The memory array is designed with Double Data Rate Synchronous DRAMs for ECC applications.
All control and address signals are re-driven on the DIMM using register devices and a PLL for the
clock distribution. This reduces capacitive loading to the system bus, but adds one cycle to the
SDRAM timing. A variety of decoupling capacitors are mounted on the PC board. The DIMMs
feature serial presence detect based on a serial E
2
PROM device using the 2-pin I
2
C protocol. The
first 128 bytes are programmed with configuration data and the second 128 bytes are available to
the customer.
INFINEON Technologies
1
2002-05-08 (0.9)

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