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48SD6404RPFE Datasheet(PDF) 1 Page - Maxwell Technologies |
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48SD6404RPFE Datasheet(HTML) 1 Page - Maxwell Technologies |
1 / 42 page 1 All data sheets are subject to change without notice (858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com 256 Mb SDRAM 16-Meg X 4-Bit X 4-Banks ©2005 Maxwell Technologies All rights reserved. 48SD6404 01.11.05 Rev 2 FEATURES: • 256 Megabit ( 16-Meg X 4-Bit X 4-Banks) • RAD-PAK® radiation-hardened against natural space radiation • Total Dose Hardness: >100 krad (Si), depending upon space mission • Excellent Single Event Effects: SEL TH > 85 MeV/mg/cm 2 @ 25°C • JEDEC Standard 3.3V Power Supply • Operating Current: 115 mA • Clock Frequency: 100 MHz Operation • Operating tremperature: -55 to +125 °C • Auto Refresh • Single pulsed RAS • 2 Burst Sequence variations Sequential (BL =1/2/4/8) Interleave (BL = 1/2/4/8) • Programmable CAS latency: 2/3 • Power Down and Clock Suspend Modes • LVTTL Compatible Inputs and Outputs • Package: 72-Pin RAD-PAK ® Flat Package DESCRIPTION: Maxwell Technologies’ Synchronous Dynamic Random Access Memory (SDRAM) is ideally suited for space applications requiring high performance computing and high density memory storage. As microprocessors increase in speed and demand for higher density mem- ory escalates, SDRAM has proven to be the ultimate solution by providing bit-counts up to 256 Mega Bits and speeds up to 100 Megahertz. SDRAMs represent a sig- nificant advantage in memory technology over traditional DRAMs including the ability to burst data synchronously at high rates with automatic column-address generation, the ability to interleave between banks masking pre- charge time. Maxwell Technologies’ patented RAD-PAK ® packaging technology incorporates radiation shielding in the micro- circuit package. It eliminates the need for box shielding for a lifetime in orbit or space mission. In a typical GEO orbit, RAD-PAK ® provides greater than 100 krads(Si) radiation dose tolerance. This product is available with screening up to Maxwell Technologies self-defined Class K. Logic Diagram (One Amplifier) |
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