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EDE5108GBSA Datasheet(PDF) 5 Page - Elpida Memory |
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EDE5108GBSA Datasheet(HTML) 5 Page - Elpida Memory |
5 / 56 page EDE5104GBSA, EDE5108GBSA, EDE5116GBSA Preliminary Data Sheet E0249E30 (Ver. 3.0) 5 Electrical Specifications • All voltages are referenced to VSS (GND) • Execute power-up and Initialization sequence before proper device operation is achieved. Absolute Maximum Ratings Parameter Symbol Rating Unit Note Power supply voltage VDD –0.5 to +2.3 V 1 Power supply voltage for output VDDQ –0.5 to +2.3 V 1 Input voltage VIN –0.5 to +2.3 V 1 Output voltage VOUT –0.5 to +2.3 V 1 Operating temperature (ambient) TA 0 to +70 °C 1 Storage temperature TSTG –55 to +150 °C 1 Power dissipation PD 1.0 W 1 Short circuit output current IOUT 50 mA 1 Note: 1. Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Caution Exposing the device to stress above those listed in Absolute Maximum Ratings could cause permanent damage. The device is not meant to be operated under conditions outside the limits described in the operational section of this specification. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Recommended DC Operating Conditions (SSTL_18) • There is no specific device VDD supply voltage requirement for SSTL_18 compliance. However under all conditions VDDQ must be less than or equal to VDD. Parameter Symbol min. Typ. max. Unit Notes Supply voltage VDD 1.7 1.8 1.9 V 4 Supply voltage for output VDDQ 1.7 1.8 1.9 V 4 Input reference voltage VREF 0.49 × VDDQ 0.50 × VDDQ 0.51 × VDDQ V 1, 2 Termination voltage VTT VREF – 0.04 VREF VREF + 0.04 V 3 DC input logic high VIH (dc) VREF + 0.125 VDDQ + 0.3V V DC input low VIL (dc) –0.3 VREF – 0.125 V AC input logic high VIH (ac) VREF + 0.250 V AC input low VIL (ac) VREF – 0.250 V Notes: 1. The value of VREF may be selected by the user to provide optimum noise margin in the system. Typically the value of VREF is expected to be about 0.5 × VDDQ of the transmitting device and VREF are expected to track variations in VDDQ. 2. Peak to peak AC noise on VREF may not exceed ±2% VREF (dc). 3. VTT of transmitting device must track VREF of receiving device. 4. VDDQ tracks with VDD, VDDL tracks with VDD. AC parameters are measured with VDD, VDDQ and VDDL tied together. |
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