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W9812G6GH-75 Datasheet(PDF) 3 Page - Winbond |
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W9812G6GH-75 Datasheet(HTML) 3 Page - Winbond |
3 / 42 page W9812G6GH 1. GENERAL DESCRIPTION W9812G6GH is a high-speed synchronous dynamic random access memory (SDRAM), organized as 2M words × 4 banks × 16 bits. Using pipelined architecture and 0.11 µm process technology, W9812G6GH delivers a data bandwidth of up to 166M words per second (-6). For different application, W9812G6GH is sorted into two speed grades: -6/6C/6I, -75. The –6/6C/6I is compliant to the 166Mhz/CL3 specification, the -75 is compliant to the 133MHz/CL3 specification. 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. W9812G6GH is ideal for main memory in high performance applications. 2. FEATURES • • • • • • • • • • • • • • 3.3V ± 0.3V Power Supply Up to 166 MHz Clock Frequency 2,097,152 Words × 4 banks × 16 bits organization Self Refresh Mode CAS Latency: 2and 3 Burst Length: 1, 2, 4, 8 and full page Burst Read, Single Writes Mode Byte Data Controlled by DQM Auto-precharge and Controlled Precharge 4K Refresh cycles / 64 mS Interface: LVTTL Packaged in TSOP II 54 pin, 400 mil - 0.80 W9812G6GH is using Lead free materials RoHS compliant 3. AVAILABLE PART NUMBER PART NUMBER SPEED MAXIMUM SELF REFRESH CURRENT OPERATING TEMPERATURE W9812G6GH-6 166MHz/CL3 2 mA 0°C ~ 70°C W9812G6GH-6C 166MHz/CL3 2 mA 0°C ~ 70°C W9812G6GH-6I 166MHz/CL3 2 mA -40°C ~ 85°C W9812G6GH-75 133MHz/CL3 2 mA 0°C ~ 70°C Publication Release Date:Aug. 13, 2007 - 3 -Revision A06 |
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