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K4F640812D Datasheet

Part Number K4F640812D
Manufacturers Samsung
Logo Samsung
Description 8M x 8bit CMOS Dynamic RAM
Datasheet K4F640812D DatasheetK4F640812D Datasheet (PDF)

K4F660812D,K4F640812D 8M x 8bit CMOS Dynamic RAM with Fast Page Mode DESCRIPTION CMOS DRAM This is a family of 8,388,608 x 8 bit Fast Page Mode CMOS DRAMs. Fast Page Mode offers high speed random access of memory cells within the same row. Refresh cycle(4K Ref. or 8K Ref.), access time (-45, -50 or -60), power consumption(Normal or Low power) are optional features of this family. All of this family have CAS-before-RAS refresh, RAS-only refresh and Hidden refresh capabilities. Furthermore, Self.

  K4F640812D   K4F640812D






8M x 8bit CMOS Dynamic RAM

K4F660812D,K4F640812D 8M x 8bit CMOS Dynamic RAM with Fast Page Mode DESCRIPTION CMOS DRAM This is a family of 8,388,608 x 8 bit Fast Page Mode CMOS DRAMs. Fast Page Mode offers high speed random access of memory cells within the same row. Refresh cycle(4K Ref. or 8K Ref.), access time (-45, -50 or -60), power consumption(Normal or Low power) are optional features of this family. All of this family have CAS-before-RAS refresh, RAS-only refresh and Hidden refresh capabilities. Furthermore, Self-refresh operation is available in L-version. This 8Mx8 Fast Page Mode DRAM family is fabricated using Samsung ′s advanced CMOS process to realize high band-width, low power consumption and high reliability. FEATURES • Part Identification - K4F660812D-JC/L(3.3V, 8K Ref., SOJ) - K4F640812D-JC/L(3.3V, 4K Ref., SOJ) - K4F660812D-TC/L(3.3V, 8K Ref., TSOP) - K4F640812D-TC/L(3.3V, 4K Ref., TSOP) • Fast Page Mode operation • CAS-before-RAS refresh capability • RAS-only and Hidden refresh capability • Self-refresh capability (L-ver only) • Fast parallel test mode capability • LVTTL(3.3V) compatible inputs and outputs • Active Power Dissipation Unit : mW Speed -45 -50 -60 • Refresh Cycles Part NO. K4F660812D* K4F640812D Refresh cycle 8K 4K Refresh time Normal 64ms L-ver 128ms RAS CAS W Control Clocks Vcc Vss • Early Write or output enable controlled write • JEDEC Standard pinout • Available in Plastic SOJ and TSOP(II) packages • +3.3V±0.3V power supply 4K 432 396 360 8K 324 288 252 FUNCTION.


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