HYS64V64220GU Datasheet, PDF (1/15 Pages) Infineon Technologies AG – 3.3 V 64M x 64/72-Bit, 512MByte SDRAM Modules 168-pin Unbuffered DIMM Modules

HYS 64/72V64220GU
SDRAM-Modules
3.3 V 64M x 64/72-Bit, 512MByte SDRAM Modules
168-pin Unbuffered DIMM Modules
• 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:
Product Speed
-7
PC133
-7.5
PC133
-8
PC100
CL t_RCD
t_RP
22
2
33
3
22
2
• 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)
• SDRAM Performance:
f_CK Clock Frequency (max.)
t_AC Clock Access time
-7
PC133
133
5.4
-7.5
PC133
133
5.4
-8
PC100
100
6
Unit
MHz
ns
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. Decoupling capacitors are mounted on the PC board. The PC board design is
according to INTEL’s module specification. The DIMMs have a serial presence detect, implemented
with a serial E²PROM using the 2-pin I²C protocol. The first 128 bytes are utilized by the DIMM
manufacturer and the second 128 bytes are available to the end user. All Infineon 168-pin DIMMs
provide a high performance, flexible 8-byte interface in a 133.35 mm long footprint, with 1.25“
(31.75 mm) height.
INFINEON Technologies
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