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KM4132G271A-12 Scheda tecnica(PDF) 4 Page - Samsung semiconductor |
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KM4132G271A-12 Scheda tecnica(HTML) 4 Page - Samsung semiconductor |
4 / 48 page KM4132G271A CMOS SGRAM Rev.0 (August 1997) 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 : ABSOLUTE MAXIMUM RATINGS(Voltage referenced to VSS) 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 ¡É 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) Parameter Symbol Min Typ Max Unit Note Supply voltage VDD, VDDQ 3.0 3.3 3.6 V Input high voltage VIH 2.0 3.0 VDD+0.3 V Input low voltage VIL -0.3 0 0.8 V Note 1 Output high voltage VOH 2.4 - - V IOH = -2mA Output low voltage VOL - - 0.4 V IOL = 2mA Input leakage current IIL -5 - 5 §Ë Note 2 Output leakage current IOL -5 - 5 §Ë Note 3 Output Loading Condition see figure 1 1. VIL (min) = -1.5V AC(pulse width ¡Â 5ns). 2. Any input 0V ¡Â VIN ¡Â VDD + 0.3V, all other pins are not under test = 0V. 3. Dout is disabled, 0V¡Â VOUT ¡Â VDD. Note : CAPACITANCE (VDD/VDDQ = 3.3V, TA = 25¡É, f = 1MHz) Parameter Symbol Min Max Unit Input capacitance (A0 ~ A9) CIN1 - 4 pF Input capacitance (CLK, CKE, CS, RAS, CAS, WE, DSF & DQM) CIN2 - 4 pF Data input/output capacitance (DQ0 ~ DQ31) COUT - 5 pF |
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