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KM416C4100B Fiches technique(PDF) 1 Page - Samsung semiconductor |
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KM416C4100B Fiches technique(HTML) 1 Page - Samsung semiconductor |
1 / 35 page KM416C4000B, KM416C4100B CMOS DRAM This is a family of 4,194,304 x 16 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, -5 or -6) are optional features of this family. All of this fam- ily have CAS-before-RAS refresh, RAS-only refresh and Hidden refresh capabilities. This 4Mx16 Fast Page Mode DRAM family is fabri- cated using Samsung ′s advanced CMOS process to realize high band-width, low power consumption and high reliability. • Part Identification - KM416C4000B(5.0V, 8K Ref.) - KM416C4100B(5.0V, 4K Ref.) • Fast Page Mode operation • 2CAS Byte/Word Read/Write operation • CAS-before-RAS refresh capability • RAS-only and Hidden refresh capability • Fast parallel test mode capability • TTL(5.0V) compatible inputs and outputs • Early Write or output enable controlled write • JEDEC Standard pinout • Available in Plastic TSOP(II) package • +5.0V ±10% power supply SAMSUNG ELECTRONICS CO., LTD. reserves the right to change products and specifications without notice. 4M x 16bit CMOS Dynamic RAM with Fast Page Mode DESCRIPTION FEATURES • Refresh Cycles Part NO. Refresh cycle Refresh time Normal KM416C4000B* 8K 64ms KM416C4100B 4K • Performance Range Speed tRAC tCAC tRC tPC -45 45ns 12ns 80ns 31ns -5 50ns 13ns 90ns 35ns -6 60ns 15ns 110ns 40ns • Active Power Dissipation Speed 8K 4K -45 550 715 -5 495 660 -6 440 605 Unit : mW Control Clocks Lower Data out Buffer RAS UCAS LCAS W Vcc Vss DQ0 to DQ7 A0~A12 (A0~A11)*1 A0~A8 (A0~A9)*1 Memory Array 4,194,304 x 16 Cells FUNCTIONAL BLOCK DIAGRAM Note) *1 : 4K Refresh Upper Data in Buffer Upper Data out Buffer Lower Data in Buffer DQ8 to DQ15 OE * Access mode & RAS only refresh mode : 8K cycle/64ms CAS-before-RAS & Hidden refresh mode : 4K cycle/64ms Row Decoder Column Decoder VBB Generator Refresh Timer Refresh Control Refresh Counter Row Address Buffer Col. Address Buffer |
Numéro de pièce similaire - KM416C4100B |
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Description similaire - KM416C4100B |
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