EDD10321BBH-TS datasheet(1/58 Pages) ELPIDA

Part #	EDD10321BBH-TS

Description	1G bits DDR Mobile RAM??WTR (Wide Temperature Range)

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Manufacturer	ELPIDA [Elpida Memory]

Direct Link	http://www.elpida.com/en

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Document No. E1403E30 (Ver. 3.0)

Date Published October 2009 (K) Japan

Printed in Japan

URL: http://www.elpida.com

Elpida Memory, Inc. 2008-2009

PRELIMINARY DATA SHEET

1G bits DDR Mobile RAM



WTR (Wide Temperature Range)

EDD10321BBH-TS (32M words

× 32 bits)

Specifications

• Density: 1G bits

• Organization: 8M words × 32 bits × 4 banks

• Package: 90-ball FBGA

 Lead-free (RoHS compliant) and Halogen-free

• Power supply: VDD, VDDQ = 1.7V to 1.95V

• Data rate: 400Mbps/333Mbps (max.)

• 4KB page size

 Row address: A0 to A12

 Column address: A0 to A9

• Four internal banks for concurrent operation

• Interface: LVCMOS

• Burst lengths (BL): 2, 4, 8

• Burst type (BT):

 Sequential (2, 4, 8)

 Interleave (2, 4, 8)

• /CAS Latency (CL): 3

• Precharge: auto precharge option for each burst

access

• Driver strength: normal, 1/2, 1/4

• Refresh: auto-refresh, self-refresh

• Refresh cycles: 8192 cycles/64ms

 Average refresh period: 7.8µs

• Operating ambient temperature range

 TA = −25°C to +85°C

Features

• DLL is not implemented

• Low power consumption

• Double-data-rate architecture; two data transfers per

one clock cycle

• The high-speed data transfer is realized by the 2 bits

prefetch pipelined architecture

• Bi-directional data strobe (DQS) is transmitted

/received with data for capturing data at the receiver.

• Data inputs, outputs, and DM are synchronized with

DQS

• DQS is edge-aligned with data for READs; center-

aligned with data for WRITEs

• Differential clock inputs (CK and /CK)

• Commands entered on each positive CK edge: data

and data mask referenced to both edges of DQS

• Data mask (DM) for write data

• Burst termination by burst stop command and

Precharge command

• Wide temperature range

 TA = −25°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

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