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EDS51321DBH-TS Datasheet, PDF (1/51 Pages) Elpida Memory – 512M bits Mobile RAM™ WTR (Wide Temperature Range) | |||
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PRELIMINARY DATA SHEET
512M bits Mobile RAM
WTR (Wide Temperature Range)
EDS51321DBH-TS (16M words à 32 bits)
Specifications
⢠Density: 512M bits
⢠Organization
 4M words à 32 bits à 4 banks
⢠Package: 90-ball FBGA
 Lead-free (RoHS compliant) and Halogen-free
⢠Power supply: VDD, VDDQ = 1.7V to 1.95V
⢠Clock frequency: 166MHz/133MHz (max.)
⢠2KB page size
 Row address: A0 to A12
 Column address: A0 to A8
⢠Four internal banks for concurrent operation
⢠Interface: LVCMOS
⢠Burst lengths (BL): 1, 2, 4, 8, full page
⢠Burst type (BT):
 Sequential (1, 2, 4, 8, full page)
 Interleave (1, 2, 4, 8)
⢠/CAS Latency (CL): 3
⢠Precharge: auto precharge option for each burst
access
⢠Driver strength: normal, 1/2, 1/4, 1/8
⢠Refresh: auto-refresh, self-refresh
⢠Refresh cycles: 8192 refresh cycles/64ms
⢠Operating ambient temperature range
 TA = â25°C to +85°C
Features
⢠Ã32 organization
⢠Single pulsed /RAS
⢠Burst read/write operation and burst read/single write
operation capability
⢠Byte control by DQM
⢠Wide temperature range
 TA = â25°C to +85°C
⢠Low Power Function below is not supported
 Partal Array Self-Refresh (PASR)
 Auto Temperature Compensated Self-Refresh
 Deep power-down mode
Ordering Information
Part number
EDS51321DBH-6DTS-F
EDS51321DBH-7BTS-F
Organization
(words à bits)
16M Ã 32
Internal Banks
4
Clock frequency
MHz (max.)
166
133
/CAS latency
3
Package
90-ball FBGA
Document No. E1415E21 (Ver. 2.1)
Date Published March 2009 (K) Japan
Printed in Japan
URL: http://www.elpida.com
Elpida Memory, Inc. 2008-2009
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