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W982516AH Datasheet(PDF) 1 Page - Winbond |
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W982516AH Datasheet(HTML) 1 Page - Winbond |
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1 / 41 page  W982516AH 4M × 4 BANKS × 16 BIT SDRAM Publication Release Date: February 2001 - 1 - Revision A2 GENERAL DESCRIPTION W982516AH is a high-speed synchronous dynamic random access memory (SDRAM), organized as 4M words × 4 banks × 16 bits. Using pipelined architecture and 0.175 µm process technology, W982516AH delivers a data bandwidth of up to 143M words per second (-7). To fully comply with the personal computer industrial standard, W982516AH is sorted into three speed grades: -7, -75, and - 8H. The -7 is compliant to the 143 MHz/CL3 or PC133/CL2 specification, the -75 is compliant to the PC133/CL3 specification, the -8H is compliant to the PC100/CL2 specification. For handheld device application, we also provide a low power option, the grade of 75L, with Self Refresh Current under 1mA. Accesses to the SDRAM are burst oriented. Consecutive memory location in one page can be accessed at a burst length of 1, 2, 4, 8 or full page when a bank and row is selected by an ACTIVE command. Column addresses are automatically generated by the SDRAM internal counter in burst operation. Random column read is also possible by providing its address at each clock cycle. The multiple bank nature enables interleaving among internal banks to hide the precharging time. By having a programmable Mode Register, the system can change burst length, latency cycle, interleave or sequential burst to maximize its performance. W982516AH is ideal for main memory in high performance applications. FEATURES • 3.3V ±0.3V Power Supply • Up to 143 MHz Clock Frequency • 4,194,304 Words × 4 Banks × 16 Bits Organization • Self Refresh Mode: Standard and Low Power • CAS Latency: 2 and 3 • Burst Length: 1, 2, 4, 8, and Full Page • Burst Read, Single Writes Mode • Byte Data Controlled by LDQM, UDQM • Power-down Mode • Auto-precharge and Controlled Precharge • 8K Refresh Cycles/64 mS • Interface: LVTTL • Packaged in TSOP II 54-pin, 400 mil - 0.80 AVAILABLE PART NUMBER PART NUMBER SPEED GRADE SELF REFRESH CURRENT (MAX.) W982516AH-7 PC133/CL2 3 mA W982516AH-75 PC133/CL3 3 mA W982516AH-8H PC100/CL2 3 mA W982516AH75L PC133/CL3 1 mA |
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