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K4H560838D-GCB0 Datasheet(PDF) 9 Page - Samsung semiconductor |
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K4H560838D-GCB0 Datasheet(HTML) 9 Page - Samsung semiconductor |
9 / 26 page - 9 - K4H560438D DDR SDRAM Rev. 2.2 Mar. ’03 16M x 4Bit x 4 Banks Double Data Rate SDRAM Absolute Maximum Rating Parameter Symbol Value Unit Voltage on any pin relative to VSS VIN, VOUT -0.5 ~ 3.6 V Voltage on VDD & VDDQ supply relative to VSS VDD, VDDQ -1.0 ~ 3.6 V Storage temperature TSTG -55 ~ +150 °C Power dissipation PD 1.5 W Short circuit current IOS 50 mA Note : Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded. Functional operation should be restricted to recommend operation condition. Exposure to higher than recommended voltage for extended periods of time could affect device reliability DC Operating Conditions The K4H560438D is 268,435,456 bits of double data rate synchronous DRAM organized as 4 x 16,777,216 words by 4 bits, fabricated with SAMSUNG ′s high performance CMOS technology. Synchronous features with Data Strobe allow extremely high performance up to 333Mb/s per pin. I/O transactions are possible on both edges of DQS. Range of operating frequencies, programmable burst length and programmable latencies allow the device to be useful for a variety of high performance memory system applications. GENERAL DESCRIPTION Recommended operating conditions(Voltage referenced to VSS=0V, TA= 0 to 70 °C) Parameter Symbol Min Max Unit Note Supply voltage(for device with a nominal VDD of 2.5V) VDD 2.3 2.7 I/O Supply voltage VDDQ 2.3 2.7 V I/O Reference voltage VREF VDDQ/2-50mV VDDQ/2+50mV V 1 I/O Termination voltage(system) VTT VREF-0.04 VREF+0.04 V 2 Input logic high voltage VIH(DC) VREF+0.15 VDDQ+0.3 V 4 Input logic low voltage VIL(DC) -0.3 VREF-0.15 V 4 Input Voltage Level, CK and CK inputs VIN(DC) -0.3 VDDQ+0.3 V Input Differential Voltage, CK and CK inputs VID(DC) 0.3 VDDQ+0.6 V 3 Input crossing point voltage, CK and CK inputs VIX(DC) 1.15 1.35 V 5 Input leakage current II -2 2 uA Output leakage current IOZ -5 5 uA Output High Current(Normal strengh driver) ;VOUT = VTT + 0.84V IOH -16.8 mA Output High Current(Normal strengh driver) ;VOUT = VTT - 0.84V IOL 16.8 mA Output High Current(Half strengh driver) ;VOUT = VTT + 0.45V IOH -9 mA Output High Current(Half strengh driver) ;VOUT = VTT - 0.45V IOL 9mA |
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