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SST49LF080A bảng dữ liệu(PDF) 1 Page - Silicon Storage Technology, Inc |
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SST49LF080A bảng dữ liệu(HTML) 1 Page - Silicon Storage Technology, Inc |
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1 / 49 page  ©2003 Silicon Storage Technology, Inc. S71235-00-000 4/03 1 The SST logo and SuperFlash are registered trademarks of Silicon Storage Technology, Inc. Intel is a registered trademark of Intel Corporation. These specifications are subject to change without notice. Data Sheet FEATURES: • LPC Interface Flash – SST49LF080A: 1024K x8 (8 Mbit) • Conforms to Intel LPC Interface Specification 1.0 • Flexible Erase Capability – Uniform 4 KByte Sectors – Uniform 64 KByte overlay blocks – 64 KByte Top Boot Block protection – Chip-Erase for PP Mode Only • Single 3.0-3.6V Read and Write Operations • Superior Reliability – Endurance: 100,000 Cycles (typical) – Greater than 100 years Data Retention • Low Power Consumption – Active Read Current: 6 mA (typical) – Standby Current: 10 µA (typical) • Fast Sector-Erase/Byte-Program Operation – Sector-Erase Time: 18 ms (typical) – Block-Erase Time: 18 ms (typical) – Chip-Erase Time: 70 ms (typical) – Byte-Program Time: 14 µs (typical) – Chip Rewrite Time: 16 seconds (typical) – Single-pulse Program or Erase – Internal timing generation • Two Operational Modes – Low Pin Count (LPC) Interface mode for in-system operation – Parallel Programming (PP) Mode for fast production programming • LPC Interface Mode – 5-signal communication interface supporting byte Read and Write – 33 MHz clock frequency operation – WP# and TBL# pins provide hardware write protect for entire chip and/or top boot block – Standard SDP Command Set – Data# Polling and Toggle Bit for End-of-Write detection – 5 GPI pins for system design flexibility – 4 ID pins for multi-chip selection • Parallel Programming (PP) Mode – 11-pin multiplexed address and 8-pin data I/O interface – Supports fast programming In-System on programmer equipment • CMOS and PCI I/O Compatibility • Packages Available – 32-lead PLCC – 32-lead TSOP (8mm x 14mm) PRODUCT DESCRIPTION The SST49LF080A flash memory device is designed to interface with the LPC bus for PC and Internet Appliance application in compliance with Intel Low Pin Count (LPC) Interface Specification 1.0. Two interface modes are sup- ported: LPC mode for in-system operations and Parallel Programming (PP) mode to interface with programming equipment. The SST49LF080A flash memory device is manufactured with SST’s proprietary, high-performance SuperFlash Technology. The split-gate cell design and thick-oxide tun- neling injector attain better reliability and manufacturability compared with alternate approaches. The SST49LF080A device significantly improves performance and reliability, while lowering power consumption. The SST49LF080A device writes (Program or Erase) with a single 3.0-3.6V power supply. It uses less energy during Erase and Pro- gram than alternative flash memory technologies. The total energy consumed is a function of the applied voltage, cur- rent and time of application. For any give voltage range, the SuperFlash technology uses less current to program and has a shorter erase time; the total energy consumed during any Erase or Program operation is less than alternative flash memory technologies. The SST49LF080A product provides a maximum Byte-Program time of 20 µsec. The entire memory can be erased and programmed byte-by- byte typically in 16 seconds when using status detection features such as Toggle Bit or Data# Polling to indicate the completion of Program operation. The SuperFlash technol- ogy provides fixed Erase and Program time, independent of the number of Erase/Program cycles that have per- formed. Therefore the system software or hardware does not have to be calibrated or correlated to the cumulative number of Erase cycles as is necessary with alternative flash memory technologies, whose Erase and Program time increase with accumulated Erase/Program cycles. To meet high density, surface mount requirements, the SST49LF080A device is offered in 32-lead TSOP and 32- lead PLCC packages. See Figures 1 and 2 for pin assign- ments and Table 1 for pin descriptions. 8 Mbit LPC Flash SST49LF080A SST49LF080A8 Mbit LPC Flash |
Số phần tương tự - SST49LF080A |
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Mô tả tương tự - SST49LF080A |
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