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WED2DG472512V-D2 Datasheet

Part Name
Description
MFG CO.
WED2DG472512V-D2
WEDC
White Electronic Designs Corporation WEDC
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DESCRIPTION
The WED2DG472512V is a Synchronous/Synchronous Burst SRAM, 84 position Dual Key; Double High DIMM (168 contacts) Module, organized as 4x512Kx72. The Module contains sixteeen (16) Synchronous Burst RAM devices, packaged in the industry standard JEDEC 14mmx20mm TQFP placed on a Multilayer FR4 Substrate. The Module Architecture is defi ned as a Sync/SyncBurst, Pipeline, with support for either linear or sequential burst. This Module provides high performance, 3-1-1-1 accesses when used in Burst Mode, and when used in Synchronous Only Mode, provides a high performance, data access every second cycle.

FEATURES
■ 4x512Kx72 Synchronous, Synchronous Burst
■ Pipeline Architecture; Single Cycle Deselect
■ Linear and Sequential Burst Support via MODE pin
■ Clock Controlled Registered Module Enable (EM#)
■ Clock Controlled Registered Bank Enables (E1#, E2#, E3#, E4#)
■ Clock Controlled Byte Write Mode Enable (BWE#)
■ Clock Controlled Byte Write Enables (BW1# - BW8#)
■ Clock Controlled Registered Address
■ Clock Controlled Registered Global Write (GW#)
■ Asynchronous Output Enable (G#)
■ Internally Self-Timed Write
■ Individual Bank Sleep Mode Enables (ZZ1, ZZ2, ZZ3, ZZ4)
■ Gold Lead Finish
■ 3.3V ± 10% Operation
■ Frequency(s): 200, 166, 150, and 133MHz
■ Access Speed(s): tKHQV = 3.0, 3.5, 3.7, and 4.0ns
■ Common Data I/O
■ High Capacitance (30pF) Drive, at Rated Access Speed
■ Single Total Array Clock
■ Multiple Vcc and Gnd for Improved Noise Immunity

 

Part Name
Description
PDF
MFG CO.
32K x 32 SRAM Pipeline and Flow-Through Burst Mode
Taiwan Memory Technology
1M x 18, 512K x 36 18Mb S/DCD Sync Burst SRAMs
Giga Semiconductor
3.3V 512K × 18 pipeline burst synchronous SRAM
Alliance Semiconductor
1M x 18, 512K x 32, 512K x 36 18Mb Sync Burst SRAMs
Giga Semiconductor
2M x 18, 1M x 36, 512K x 72 36Mb S/DCD Sync Burst SRAMs
Giga Semiconductor
3.3V 256K × 18 pipeline burst synchronous SRAM
Alliance Semiconductor
3.3V 128K × 18 pipeline burst synchronous SRAM
Alliance Semiconductor
3.3V 256K × 18 pipeline burst synchronous SRAM
Alliance Semiconductor
3.3V 128K X 32/36 pipeline burst synchronous SRAM
Alliance Semiconductor
512K x 18, 256K x 32, 256K x 36 9Mb Sync Burst SRAMs
Giga Semiconductor

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