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部品型式

K4F640411D-JC60

製品説明
仕様・特性

K4F660411D, K4F640411D CMOS DRAM 16M x 4bit CMOS Dynamic RAM with Fast Page Mode DESCRIPTION This is a family of 16,777,216 x 4 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(-50 or -60), package type(SOJ or TSOP-II) are optional features of this family. All of this family have CAS-before-RAS refresh, RAS-only refresh and Hidden refresh capabilities. This 16Mx4 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 • Fast Page Mode operation • Part Identification - K4F660411D-JC(5.0V, 8K Ref.) - K4F640411D-JC(5.0V, 4K Ref.) - K4F660411D-TC(5.0V, 8K Ref.) - K4F640411D-TC(5.0V, 4K Ref.) • 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 • Active Power Dissipation • Available in Plastic SOJ and TSOP(II) packages Unit : mW • +5.0V±10% power supply Speed 8K 4K -50 495 660 -60 440 605 • Refresh Cycles Refresh cycle K4F660411D* FUNCTIONAL BLOCK DIAGRAM Normal 8K K4F640411D Refresh time 4K 64ms RAS CAS W * Access mode & RAS only refresh mode : 8K cycle/64ms CAS-before-RAS & Hidden refresh mode : 4K cycle/64ms Control Clocks Refresh Timer Row Decoder Refresh Control Refresh Counter • Performance Range Speed tRAC tCAC tRC tPC -50 50ns 13ns 90ns 35ns -60 60ns 15ns 110ns 40ns A0~A12 (A0~A11)*1 Col. Address Buffer Memory Array 16,777,216 x 4 Cells Row Address Buffer A0~A10 (A0~A11)*1 Vcc Vss VBB Generator Column Decoder Note) *1 : 4K Refresh SAMSUNG ELECTRONICS CO., LTD. reserves the right to change products and specifications without notice. Sense Amps & I/O Part NO. Data in Buffer DQ0 to DQ3 Data out Buffer OE

ブランド

SAMSUNG

会社名

Samsung Electronics Co., Ltd

本社国名

韓国

事業概要

DRAM製品、モバイル機器の製造販売メーカー

供給状況

 
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