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W988D2FBJX7G Datasheet(PDF) 10 Page - Winbond |
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W988D2FBJX7G Datasheet(HTML) 10 Page - Winbond |
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10 / 68 page  W988D6FB / W988D2FB 256Mb Mobile LPSDR Publication Release Date : May, 18, 2011 - 10 - Revision A01-002 (X32) PARAMETER / CONDITION SYM. -6 -75 UNIT NOTES MAX. MAX. Operating current: Active mode, 1 bank, BL = 1, tRC = tRC (min), Iout=0mA, Active Precharge command cycling without burst operation. IDD1 38 35 mA 2, 3, 4 Standby current: Power-down mode, All banks idle, CKE = LOW. Idd2P Low power 0.3 0.3 mA 5 Normal power 0.4 0.4 Standby current: Nonpower-down mode, All banks idle, CKE = HIGH. Idd2N 10 10 mA Standby current: Active mode; CKE = LOW, CS# = HIGH, All banks active, No accesses in progress. Idd3P 3 3 mA 3, 4, 6 Standby current: Active mode, CKE = HIGH, CS# = HIGH, All banks active after tRCD met, No accesses in progress. Idd3N 20 15 mA 3, 4, 6 Operating current: Burst mode, All banks active, Iout=0mA, READ/WRITE command cycling, Idd4 75 70 mA 2, 3, 4 Operating current: Active mode, 1 bank, BL = 1, tRC = tRC (min), Iout=0mA, Active Precharge command cycling without burst operation. Idd5 50 50 mA 2, 3, 4, 6 Standby current: Power-down mode, All banks idle, CKE = LOW. Izz 10 10 μA 5,8 Notes: 1. A full initialization sequence is required before proper device operation is ensured. 2. Idd is dependent on output loading and cycle rates. Specified values are obtained with minimum cycle time and the outputs open. 3. The Idd current will increase or decrease proportionally according to the amount of frequency alteration for the test condition. 4. Address transitions average one transition every 2 clocks. 5. Measurement is taken 500ms after entering into this operating mode to provide tester measuring unit settling time. 6. Other input signals can transition only one time for every 2 clocks and are otherwise at valid Vih or Vil levels. 7. CKE is HIGH during the REFRESH command period tRFC (MIN) else CKE is LOW. The Idd7 limit is a nominal value and does not result in a fail value. 8. Typical values at 25°C (not a maximum value). |
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