EDD2508AKTA-5 datasheet(12/48 Pages) ELPIDA

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EDD2508AKTA-5 Datasheet(PDF) 12 Page - Elpida Memory

Part #	EDD2508AKTA-5

Description	256M bits DDR SDRAM (32M words x 8 bits, DDR400)

Download	48 Pages

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Manufacturer	ELPIDA [Elpida Memory]

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

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12 / 48 page

EDD2508AKTA-5

Preliminary Data Sheet E0349E60 (Ver. 6.0)

CKE (input pin)

This pin determines whether or not the next CK is valid. If CKE is High, the next CK rising edge is valid. If CKE is

Low. CKE controls power down and self-refresh. The power down and the self-refresh commands are entered

when the CKE is driven Low and exited when it resumes to High. CKE must be maintained high throughout read or

write access.

The CKE level must be kept for 1 CK cycle at least, that is, if CKE changes at the cross point of the CK rising edge

and the /CK falling edge with proper setup time tIS, by the next CK rising edge CKE level must be kept with proper

hold time tIH.

DM (input pin)

DM is the reference signal of the data input mask function. DM is sampled at the cross point of DQS and VREF.

DQ0 to DQ7 (input/output pins)

Data is input to and output from these pins.

DQS (input and output pin)

DQS provides the read data strobe (as output) and the write data strobe (as input).

VDD, VSS, VDDQ, VSSQ (Power supply)

VDD and VSS are power supply pins for internal circuits. VDDQ and VSSQ are power supply pins for the output

buffers.

Manufacturer	Part #	Datasheet	Description
Elpida Memory	EDD2508AKTA-5-E	551Kb / 48P	256M bits DDR SDRAM (32M words x 8 bits, DDR400)
	EDD2508AKTA-5B-E	551Kb / 48P	256M bits DDR SDRAM (32M words x 8 bits, DDR400)
	EDD2508AKTA-5C-E	551Kb / 48P	256M bits DDR SDRAM (32M words x 8 bits, DDR400)

Manufacturer	Part #	Datasheet	Description
Elpida Memory	EDD2508AKTA-5-E	551Kb / 48P	256M bits DDR SDRAM (32M words x 8 bits, DDR400)
	EDD2516AKTA-5-E	558Kb / 48P	256M bits DDR SDRAM (16M words x16 bits, DDR400)
	EDD2516AKTA-E	564Kb / 49P	256M bits DDR SDRAM (16M words x 16 bits)
	EDD2504AKTA-E	555Kb / 49P	256M bits DDR SDRAM (64M words x 4 bits)
	EDD1216AATA-5	556Kb / 48P	128M bits DDR SDRAM (8M words x 16 bits, DDR400)
	EDD2504AKTA	441Kb / 49P	256M bits DDR SDRAM (64M words x 4 bits)
	EDD2516KCTA-SI	579Kb / 52P	256M bits DDR SDRAM 256M bits DDR SDRAM
	EDS2516ADTA-75	702Kb / 50P	256M bits SDRAM (16M words x 16 bits)
	EDS2516CDTA	703Kb / 50P	256M bits SDRAM (16M words x 16 bits)
	EDS2532AABH-75	577Kb / 48P	256M bits SDRAM (8M words x 32 bits)

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