k4s640432d Samsung Semiconductor, Inc., k4s640432d Datasheet
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k4s640432d
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k4s640432d Summary of contents
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... K4S640432D 64Mbit SDRAM * Samsung Electronics reserves the right to change products or specification without notice 4Bit x 4 Banks Synchronous DRAM LVTTL Revision 0.0 June 1999 CMOS SDRAM Rev. 0.0 Jun. 1999 ...
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... Samsung Electronics reserves the right to change products or specification without notice. * GENERAL DESCRIPTION The K4S640432D is 67,108,864 bits synchronous high data rate Dynamic RAM organized 4,194,304 words by 4 bits, fabricated with SAMSUNG s high performance CMOS technol- ogy. Synchronous design allows precise cycle control with the use of system clock I/O transactions are possible on every clock cycle ...
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... K4S640432D PIN CONFIGURATION (Top view) A10/AP PIN FUNCTION DESCRIPTION Pin Name CLK System clock CS Chip select CKE Clock enable Address Bank select address 0 1 RAS Row address strobe CAS Column address strobe WE Write enable DQM Data input/output mask ...
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... K4S640432D ABSOLUTE MAXIMUM RATINGS Parameter Voltage on any pin relative Voltage on V supply relative Storage temperature Power dissipation Short circuit current Note : Permanent device damage may occur if "ASOLUTE MAXIMUM RATINGS" are exceeded. Functional operation should be restricted to recommended operating condition. ...
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... Operating current I CC4 (Burst mode) Refresh current I CC5 Self refresh current I CC6 Notes : 1. Measured with outputs open. 2. Refresh period is 64ms. 3. K4S640432D-TC** 4. K4S640432D-TL** 5. Unless otherwise noted, input swing IeveI is CMOS Test Condition Burst length = (min CKE ...
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... K4S640432D AC OPERATING TEST CONDITIONS Parameter AC input levels (Vih/Vil) Input timing measurement reference level Input rise and fall time Output timing measurement reference level Output load condition 3.3V 1200 Output 50pF 870 (Fig output load circuit OPERATING AC PARAMETER (AC operating conditions unless otherwise noted) ...
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... K4S640432D AC CHARACTERISTICS (AC operating conditions unless otherwise noted) Parameter CAS latency=3 CLK cycle time CAS latency=2 CAS latency=3 CLK to valid output delay CAS latency=2 CAS latency=3 Output data hold time CAS latency=2 CLK high pulse width CLK low pulse width Input setup time ...
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... K4S640432D IBIS SPECIFICATION I Characteristics (Pull-up) OH 100MHz 100MHz Voltage Min Max (V) I (mA) I (mA) 3.45 -2.4 3.3 -27.3 3.0 0.0 -74.1 2.6 -21.1 -129.2 2.4 -34.1 -153.3 2.0 -58.7 -197.0 1.8 -67.3 -226.2 1.65 -73.0 -248.0 1.5 -77.9 -269.7 1.4 -80.8 -284.3 1.0 -88.6 -344.5 0.0 -93.0 -502.4 I Characteristics (Pull-down) OL 100MHz 100MHz Voltage Min Max (V) I (mA) I (mA) 0.0 0.0 0.0 0.4 27.5 70.2 0.65 41.8 107.5 0.85 51.6 133.8 1.0 58.0 151.2 1.4 70.7 187.7 1.5 72.9 194.4 1.65 75.4 202.5 1.8 77.0 208.6 1.95 77.6 212.0 3.0 80.3 219.6 3.45 81.4 222.6 66MHz and 100MHz Pull- ...
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... K4S640432D V Clamp @ CLK, CKE, CS, DQM & (V) I (mA) DD 0.0 0.0 0.2 0.0 0.4 0.0 0.6 0.0 0.7 0.0 0.8 0.0 0.9 0.0 1.0 0.23 1.2 1.34 1.4 3.02 1.6 5.06 1.8 7.35 2.0 9.83 2.2 12.48 2.4 15.30 2.6 18.31 V Clamp @ CLK, CKE, CS, DQM & (V) I (mA) SS -2.6 -57.23 -2.4 -45.77 -2.2 -38.26 -2.0 -31.22 -1.8 -24.58 -1.6 -18.37 -1.4 -12.56 -1.2 -7.57 -1.0 -3.37 -0.9 -1.75 -0.8 -0.58 -0.7 -0.05 -0.6 0.0 -0.4 0.0 -0.2 0.0 0.0 0.0 CMOS SDRAM Minimum V clamp current DD (Referenced Voltage I (mA) Minimum V clamp current -10 -20 -30 -40 -50 -60 Voltage I (mA) Rev ...
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... K4S640432D SIMPLIFIED TRUTH TABLE Command Register Mode register set Auto refresh Entry Refresh Self refresh Exit Bank active & row addr. Read & Auto precharge disable column address Auto precharge enable Write & Auto precharge disable column address Auto precharge enable ...