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EDK1216CFBJ Datasheet(PDF) 4 Page - Elpida Memory |
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EDK1216CFBJ Datasheet(HTML) 4 Page - Elpida Memory |
4 / 56 page EDK1216CFBJ Preliminary Data Sheet E1194E20 (Ver. 2.0) 4 Electrical Specifications • All voltages are referenced to VSS (GND). • After power up, wait more than 200 µs and then, execute power on sequence and CBR (Auto) refresh before proper device operation is achieved. Absolute Maximum Ratings Parameter Symbol Rating Unit Note Voltage on any pin relative to VSS VT –0.5 to +2.45 V Supply voltage relative to VSS VDD –0.5 to +2.45 V Short circuit output current IOS 50 mA Power dissipation PD 1.0 W Operating ambient temperature TA –25 to +85 °C Storage temperature Tstg –55 to +125 °C 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 (TA = −25°C to +85°C) Parameter Pins Symbol min. typ. max. Unit Notes Supply voltage VDD, VDDQ 1.70 1.8 1.95 V VSS, VSSQ 0 0 0 V DC input voltage level CK, /CK VIN (DC) –0.3 — VDDQ + 0.3 V AC Input differential cross point voltage VIX 0.4 × VDDQ 0.5 × VDDQ 0.6 × VDDQ V 5 DC input differential voltage VID (DC) 0.4 × VDDQ — VDDQ + 0.6 V 4 AC input differential voltage VID (AC) 0.6 × VDDQ — VDDQ + 0.6 V 4 DC input high voltage VIHD (DC) 0.7 × VDDQ — VDDQ + 0.3 V 1, 2 DC input low voltage VILD (DC) –0.3 — 0.3 × VDDQ V AC input high voltage VIHD (AC) 0.8 × VDDQ — VDDQ + 0.3 V AC input low voltage DQ, DM, DQS, address, bank select address, command signals VILD (AC) –0.3 — 0.2 × VDDQ V Notes: 1. VIH (max.) = 2.45V (pulse width ≤ 5ns). 2. VIL (min.) = –0.5V (pulse width ≤ 5ns). 3. All voltage referred to VSS and VSSQ must be same potential. 4. VID (DC) and VID (AC) are the magnitude of the difference between the input level on CK and the input level on /CK. 5. The value of VIX is expected to be 0.5 × VDDQ and must track variations in the DC level of the same. |
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