W988D6FB_13 Datasheet, PDF (12/66 Pages) Winbond – 256Mb Mobile LPSDR

W988D6FB / W988D2FB
7.5 Automatic Temperature Compensated Self Refresh Current Feature
256Mb Mobile LPSDR
IDD6
Low Power
Normal Power
Units
TCSR Range
Full Array
1/2 Array
1/4 Array
45°C
200
170
150
85°C
45°C
85°C
300
250
400
uA
250
200
300
220
180
250
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.
8. Typical values at 25°C (not a maximum value).
9. Enables on-die refresh and address counters.
10. Values for Idd6 85°C full array and partial array are guaranteed for the entire temperature range. All other Idd6
values are estimated.
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Publication Release Date : August 15, 2013
Revision A01-004