Manufacturer

Infineon Technologies

Part Number

HYS72V64220GU-7.5-C2

Memory Type

SDRAM (Synchronous Dynamic Random Access Memory)

Capacity

512MB (1x512MB module)

Bus Speed / Transfer Rate

PC133 (133MHz, 133 MT/s); compatible with PC100

Form Factor

168-pin Unbuffered DIMM (UDIMM), desktop/server standard

Error Correction

ECC (Error-Correcting Code, 72-bit wide: 64 data+8 ECC bits)

Rank Configuration

Dual Rank (likely 2Rx8, from module coding)

CAS Latency (CL)

3 (PC133 mode); CL=2 for PC100 fallback

Key Timings

3-3-3 (CL-tRCD-tRP, typical for PC133); tCK=7.5ns (-7.5 suffix)

Operating Voltage

3.3V (±0.3V, standard SDRAM voltage, no LV variant)

Module Organization

64M × 72 (ECC-enabled, matches 512MB total capacity)

Chip Package

TSOP-II (Thin Small Outline Package, 54-pin)

Refresh Cycle

64ms, 8192 cycles (standard SDRAM refresh)

Compliance

JEDEC standard, RoHS compliant, Gold edge contacts, SPD (Serial Presence Detect) EEPROM

Application

Legacy Desktop/Server/Workstation supporting 168-pin SDRAM UDIMM with ECC