EBE21UE8AEFA-6E-F datasheet, PDF

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EBE21UE8AEFA-6E-F: Description2GB Unbuffered DDR2 SDRAM DIMM; Categorystorage storage; File Size218KB，30 Pages; ManufacturerELPIDA; Websitehttp://www.elpida.com/en; Environmental Compliance

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EBE21UE8AEFA-6E-F Overview

2GB Unbuffered DDR2 SDRAM DIMM

EBE21UE8AEFA-6E-F Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	ELPIDA
Parts packaging code	DIMM
package instruction	DIMM, DIMM240,40
Contacts	240
Reach Compliance Code	unknow
ECCN code	EAR99
access mode	DUAL BANK PAGE BURST
Maximum access time	0.4 ns
Other features	AUTO/SELF REFRESH
Maximum clock frequency (fCLK)	333 MHz
I/O type	COMMON
JESD-30 code	R-XDMA-N240
JESD-609 code	e4
memory density	17179869184 bi
Memory IC Type	DDR DRAM MODULE
memory width	64
Number of functions	1
Number of ports	1
Number of terminals	240
word count	268435456 words
character code	256000000
Operating mode	SYNCHRONOUS
Maximum operating temperature	85 °C
Minimum operating temperature
organize	256MX64
Output characteristics	3-STATE
Package body material	UNSPECIFIED
encapsulated code	DIMM
Encapsulate equivalent code	DIMM240,40
Package shape	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	1.8 V
Certification status	Not Qualified
refresh cycle	8192
self refresh	YES
Maximum standby current	0.16 A
Maximum slew rate	1.76 mA
Maximum supply voltage (Vsup)	1.9 V
Minimum supply voltage (Vsup)	1.7 V
Nominal supply voltage (Vsup)	1.8 V
surface mount	NO
technology	CMOS
Temperature level	OTHER
Terminal form	NO LEAD
Terminal pitch	1 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED

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DATA SHEET

2GB Unbuffered DDR2 SDRAM DIMM

EBE21UE8AEFA (256M words

64 bits, 2 Ranks)

Specifications

•

Density: 2GB

•

Organization



256M words

64 bits, 2 ranks

•

Mounting 16 pieces of 1G bits DDR2 SDRAM sealed

in FBGA

•

Package: 240-pin socket type dual in line memory

module (DIMM)



PCB height: 30.0mm



Lead pitch: 1.0mm



Lead-free (RoHS compliant)

(EBE21UE8AEFA-xx-E)



Lead-free (RoHS compliant) and Halogen-free

(EBE21UE8AEFA-xx-F)

•

Power supply: VDD

1.8V

0.1V

•

Data rate: 800Mbps/667Mbps (max.)

•

Eight internal banks for concurrent operation

(components)

•

Interface: SSTL_18

•

Burst lengths (BL): 4, 8

•

/CAS Latency (CL): 3, 4, 5, 6

•

Precharge: auto precharge option for each burst

access

•

Refresh: auto-refresh, self-refresh

•

Refresh cycles: 8192 cycles/64ms



Average refresh period

7.8µs at 0°C

≤

≤ +85°C

3.9µs at

+85°C <

≤ +95°C

•

Operating case temperature range



TC = 0°C to +95°C

Features

•

Double-data-rate architecture; two data transfers per

clock cycle

•

The high-speed data transfer is realized by the 4 bits

prefetch pipelined architecture

•

Bi-directional differential data strobe (DQS and /DQS)

is transmitted/received with data for capturing data at

the receiver

•

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

aligned with data for WRITEs

•

Differential clock inputs (CK and /CK)

•

DLL aligns DQ and DQS transitions with CK

transitions

•

Commands entered on each positive CK edge; data

and data mask referenced to both edges of DQS

•

Data mask (DM) for write data

•

Posted /CAS by programmable additive latency for

better command and data bus efficiency

•

Off-Chip-Driver Impedance Adjustment and On-Die-

Termination for better signal quality

•

/DQS can be disabled for single-ended Data Strobe

operation

Document No. E1296E40 (Ver. 4.0)

Date Published January 2009 (K) Japan

Printed in Japan

URL: http://www.elpida.com

Elpida

Memory, Inc. 2008-2009

EBE21UE8AEFA-6E-F Related Products

	EBE21UE8AEFA-6E-F	EBE21UE8AEFA	EBE21UE8AEFA-6E-E
Description	2GB Unbuffered DDR2 SDRAM DIMM	2GB Unbuffered DDR2 SDRAM DIMM	2GB Unbuffered DDR2 SDRAM DIMM
Is it Rohs certified?	conform to	-	conform to
Maker	ELPIDA	-	ELPIDA
Parts packaging code	DIMM	-	DIMM
package instruction	DIMM, DIMM240,40	-	DIMM, DIMM240,40
Contacts	240	-	240
Reach Compliance Code	unknow	-	unknow
ECCN code	EAR99	-	EAR99
access mode	DUAL BANK PAGE BURST	-	DUAL BANK PAGE BURST
Maximum access time	0.4 ns	-	0.4 ns
Other features	AUTO/SELF REFRESH	-	AUTO/SELF REFRESH
Maximum clock frequency (fCLK)	333 MHz	-	333 MHz
I/O type	COMMON	-	COMMON
JESD-30 code	R-XDMA-N240	-	R-XDMA-N240
JESD-609 code	e4	-	e4
memory density	17179869184 bi	-	17179869184 bi
Memory IC Type	DDR DRAM MODULE	-	DDR DRAM MODULE
memory width	64	-	64
Number of functions	1	-	1
Number of ports	1	-	1
Number of terminals	240	-	240
word count	268435456 words	-	268435456 words
character code	256000000	-	256000000
Operating mode	SYNCHRONOUS	-	SYNCHRONOUS
Maximum operating temperature	85 °C	-	85 °C
organize	256MX64	-	256MX64
Output characteristics	3-STATE	-	3-STATE
Package body material	UNSPECIFIED	-	UNSPECIFIED
encapsulated code	DIMM	-	DIMM
Encapsulate equivalent code	DIMM240,40	-	DIMM240,40
Package shape	RECTANGULAR	-	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY	-	MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	-	NOT SPECIFIED
power supply	1.8 V	-	1.8 V
Certification status	Not Qualified	-	Not Qualified
refresh cycle	8192	-	8192
self refresh	YES	-	YES
Maximum standby current	0.16 A	-	0.16 A
Maximum slew rate	1.76 mA	-	1.76 mA
Maximum supply voltage (Vsup)	1.9 V	-	1.9 V
Minimum supply voltage (Vsup)	1.7 V	-	1.7 V
Nominal supply voltage (Vsup)	1.8 V	-	1.8 V
surface mount	NO	-	NO
technology	CMOS	-	CMOS
Temperature level	OTHER	-	OTHER
Terminal form	NO LEAD	-	NO LEAD
Terminal pitch	1 mm	-	1 mm
Terminal location	DUAL	-	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	-	NOT SPECIFIED

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