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S8S3122X16 Datasheet(PDF) 6 Page - Samsung semiconductor |
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S8S3122X16 Datasheet(HTML) 6 Page - Samsung semiconductor |
6 / 44 page S8S3122X16 CMOS SDRAM Ver 0.0 Sep. '01 ABSOLUTE MAXIMUM RATINGS Parameter Symbol Value Unit Voltage on any pin relative to Vss VIN, VOUT -1.0 ~ 4.6 V Voltage on VDD supply relative to Vss VDD, VDDQ -1.0 ~ 4.6 V Storage temperature TSTG -55 ~ +150 °C Power dissipation PD 1 W Short circuit current IOS 50 mA Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded. Functional operation should be restricted to recommended operating condition. Exposure to higher than recommended voltage for extended periods of time could affect device reliability. Note : DC OPERATING CONDITIONS Recommended operating conditions (Voltage referenced to VSS = 0V, TA = 0 to 70 °C) Parameter Symbol Min Typ Max Unit Note Supply voltage VDD, VDDQ 3.0 3.3 3.6 V Input logic high votlage VIH 2.0 3.0 VDDQ+0.3 V 1 Input logic low voltage VIL -0.3 0 0.8 V 2 Output logic high voltage VOH 2.4 - - V IOH = -2mA Output logic low voltage VOL - - 0.4 V IOL = 2mA Input leakage current ILI -10 - 10 uA 3 Note : CAPACITANCE (VDD = 3.3V, TA = 23 °C, f = 1MHz, VREF =1.4V ± 200 mV) Pin Symbol Min Max Unit Clock CCLK 2 4 pF RAS, CAS, WE, CS, CKE, L(U)DQM CIN 2 4 pF Address CADD 2 4 pF DQ0 ~ DQ15 COUT 3 5 pF 1. VIH (max) = 5.6V AC. The overshoot voltage duration is ≤ 3ns. 2. VIL (min) = -2.0V AC. The undershoot voltage duration is ≤ 3ns. 3. Any input 0V ≤ VIN ≤ VDDQ. Input leakage currents include HI-Z output leakage for all bi-directional buffers with Tri-State outputs. : DECOUPLING CAPACITANCE GUIDE LINE Recommended decoupling capacitance added to power line at board. Parameter Symbol Value Unit Decoupling Capacitance between VDD and VSS CDC1 0.1 + 0.01 uF Decoupling Capacitance between VDDQ and VSSQ CDC2 0.1 + 0.01 uF 1. VDD and VDDQ pins are separated each other. All VDD pins are connected in chip. All VDDQ pins are connected in chip. 2. VSS and VSSQ pins are separated each other All VSS pins are connected in chip. All VSSQ pins are connected in chip. Note : |
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