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/Winbond W948D6FBHX5E 256Mb Mobile LPDDR

Winbond W948D6FBHX5E 256Mb Mobile LPDDR

W948D6FB / W948D2FB is a high-speed Low Power double data rate synchronous dynamic random access memory (LPDDR SDRAM), An access to the LPDDR SDRAM is burst oriented.


  • Brand:

    Winbond
  • Product Details

 GENERAL DESCRIPTION


W948D6FB / W948D2FB is a high-speed Low Power double data rate synchronous dynamic random access memory (LPDDR SDRAM), An access to the LPDDR SDRAM is burst oriented. Consecutive memory location in one page can be accessed at a burst length of 2, 4, 8 and 16 when a bank and row is selected by an ACTIVE command.Column addresses are automatically generated by the LPDDR SDRAM internal counter in burst operation. Random column read is also possible by providing its address at each clock cycle. The multiple bank nature enables

interleaving among internal banks to hide the pre-charging time. By setting programmable Mode Registers, the system can change burst length, latency cycle, interleave or sequential burst to maximize its performance. The device supports special power saving functions such as Partial Array Self Refresh (PASR) and Automatic Temperature Compensated Self Refresh (ATCSR).


FEATURES


 VDD = 1.7~1.95V

 VDDQ = 1.7~1.95V

 Data width: x16 / x32

 Clock rate: 200MHz(-5),166MHz (-6), 133MHz (-75)

 Partial Array Self-Refresh(PASR)

 Auto Temperature Compensated Self-Refresh(ATCSR)

 Power Down Mode

 Deep Power Down Mode (DPD Mode)

 Programmable output buffer driver strength

 Four internal banks for concurrent operation

 Data mask (DM) for write data

 Clock Stop capability during idle periods

 Auto Pre-charge option for each burst access

 Double data rate for data output

 Differential clock inputs (CK and CK)

 Bidirectional, data strobe (DQS)


 CAS Latency: 2 and 3

 Burst Length: 2, 4, 8 and 16

 Burst Type: Sequential or Interleave

 64 ms Refresh period

 Interface: LVCMOS

 Support package:

   60 balls VFBGA (x16)

   90 balls VFBGA (x32)

 Operating Temperature Range

   Extended (-25°C to + 85 °C)

   Industrial (-40°C to + 85 °C)






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