Memory Internal Memory and External Memory

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Memory Internal Memory and External Memory. . . . - - PowerPoint PPT Presentation

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  • MemoryInternal Memory and External Memory.

  • -

  • 2 - Volatile Memory- Non Volatile memory

  • Volatile Memory(1) 2 - Static Ram (SRAM)- Dynamic Ram (DRAM)

  • Non Volatile Memory(2) 5 - ROM (Read only Memory)- PROM (Programmable ROM)- EPROM (Erasable PROM) - EEPROM (Electrical EPROM)- Flash ROM

  • Volatile Memory(1.1)DRAM (Dynamic RAM) (capacitor) capacitor 0 1

  • Volatile Memory(1.1) DRAM

  • Volatile Memory(1.1) DRAM

  • Volatile Memory(1.1) DRAM 2 1) 2) Display Adapter card

  • Volatile Memory(1.1.1)1) - DIP RAM (Dual inline package RAM)- FPM DRAM (Fast page mode DRAM)- EDO DRAM (Extended Data out DRAM)- SDRAM (Synchronous DRAM)- DDR (Double data rate SDRAM)

  • Volatile Memory(1.1.1)- DIP (Dual inline package RAM) 286 ,386BITControl R/W Columns R/W 4 ROWS R/W 4

  • Volatile Memory(1.1.1)- FPM DRAM (Fast page mode DRAM) RAM 486 BITControl R/W Columns R/W 4 ROWS R/W 1

  • Volatile Memory(1.1.1)- EDO DRAM (Extended Data out DRAM) FPM BITControl R/W Columns R/W 4 ROWS R/W 1

  • Volatile Memory(1.1.1)- SDRAM (Synchronous DRAM)BITControl R/W ROWS R/W 1

  • Volatile Memory(1.1.1)- DDR (Double data rate SDRAM)BITControl R/W ROWS R/W 1

  • Volatile Memory(1.1.1) DRAM

  • Volatile Memory(1.1.2)2) Display Adapter card- MDRAM (Multibank DRAM)- VRAM (Video RAM)- WRAM (Window RAM)- SGRAM (Synchonous Graphic RAM) - RDRAM (Rambus DRAM)

  • Volatile Memory(1.1.2)- MDRAM (Multibank DRAM) 32 KB

    Line BUS32 KB32 KB

  • Volatile Memory(1.1.2)- VRAM (Video RAM) DRAM BITControl R/W ROWS R/W 1 RW

    1234 11234 2

  • Volatile Memory(1.1.2)- WRAM (Window RAM) VRAM Bandwidth VRAM

  • Volatile Memory(1.1.2)- SGRAM (Synchonous Graphic RAM) SDRAM BITControl R/W / ROWS R/W 1

    1234 11234 2

  • Volatile Memory(1.1.2)RDRAM (Rambus DRAM) SDRAM 400 MHz 3.2 GB/s 8 16

  • Volatile Memory(1.1.2)RDRAM (Rambus DRAM)

  • Volatile Memory(1.1)SRAM (Static RAM) microprocessor flip flop logic gate

  • Volatile Memory(1.1) SRAM

  • Non Volatile Memory(2.1) ROM (Read only Memory)- - -

  • Non Volatile Memory(2.1)PROM (Programmable ROM)

    EPROM (Erasable PROM) UV

  • Non Volatile Memory(2.1)EEPROM (Electrical EPROM) EPROM

    Flash ROM

  • Cache DRAM CDRAM SRAM 16 KB DRAM 2 Cache Memory 64 Main Memory Buffer SRAM Cache

  • SDRAM RDRAM FPM EDO MDRAM RDRAM channel RDRAM channel Bandwidth DIP RAM